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-rw-r--r--keyboards/1upkeyboards/1up60hse/rules.mk7
-rw-r--r--keyboards/1upkeyboards/1up60rgb/rules.mk7
-rw-r--r--keyboards/1upkeyboards/super16/rules.mk7
-rw-r--r--keyboards/1upkeyboards/sweet16/v1/rules.mk7
-rw-r--r--keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk7
-rw-r--r--keyboards/2key2crawl/rules.mk7
-rw-r--r--keyboards/30wer/rules.mk7
-rw-r--r--keyboards/40percentclub/25/rules.mk7
-rw-r--r--keyboards/40percentclub/4pack/rules.mk7
-rw-r--r--keyboards/40percentclub/4x4/rules.mk7
-rw-r--r--keyboards/40percentclub/5x5/rules.mk7
-rw-r--r--keyboards/40percentclub/6lit/rules.mk7
-rw-r--r--keyboards/40percentclub/foobar/rules.mk7
-rw-r--r--keyboards/40percentclub/gherkin/rules.mk7
-rw-r--r--keyboards/40percentclub/half_n_half/rules.mk7
-rw-r--r--keyboards/40percentclub/i75/promicro/rules.mk7
-rw-r--r--keyboards/40percentclub/i75/teensy2/rules.mk7
-rw-r--r--keyboards/40percentclub/luddite/rules.mk7
-rw-r--r--keyboards/40percentclub/mf68/rules.mk7
-rw-r--r--keyboards/40percentclub/nano/rules.mk7
-rw-r--r--keyboards/40percentclub/nein/rules.mk7
-rw-r--r--keyboards/40percentclub/nori/rules.mk7
-rw-r--r--keyboards/40percentclub/tomato/rules.mk7
-rw-r--r--keyboards/40percentclub/ut47/rules.mk7
-rw-r--r--keyboards/4by3/rules.mk7
-rw-r--r--keyboards/4pplet/aekiso60/rev_a/rules.mk7
-rw-r--r--keyboards/4pplet/steezy60/rev_a/rules.mk7
-rw-r--r--keyboards/4pplet/waffling60/rev_a/rules.mk7
-rw-r--r--keyboards/6ball/rules.mk7
-rw-r--r--keyboards/7c8/framework/rules.mk3
-rw-r--r--keyboards/7skb/rules.mk7
-rw-r--r--keyboards/8pack/rules.mk7
-rw-r--r--keyboards/9key/rules.mk7
-rw-r--r--keyboards/abacus/rules.mk7
-rw-r--r--keyboards/absinthe/rules.mk7
-rw-r--r--keyboards/abstract/ellipse/rev1/rules.mk7
-rw-r--r--keyboards/acheron/elongate/rules.mk7
-rw-r--r--keyboards/acr60/rules.mk7
-rw-r--r--keyboards/adkb96/rules.mk7
-rw-r--r--keyboards/aeboards/aegis/rules.mk7
-rw-r--r--keyboards/aeboards/ext65/rev1/rules.mk7
-rw-r--r--keyboards/ai03/equinox/rev0/rules.mk7
-rw-r--r--keyboards/ai03/equinox/rev1/rules.mk7
-rw-r--r--keyboards/ai03/lunar/rules.mk7
-rw-r--r--keyboards/ai03/orbit/rules.mk7
-rw-r--r--keyboards/ai03/orbit_x/rules.mk7
-rw-r--r--keyboards/ai03/polaris/rules.mk7
-rw-r--r--keyboards/ai03/quasar/rules.mk7
-rw-r--r--keyboards/ai03/soyuz/rules.mk7
-rw-r--r--keyboards/akb/eb46/rules.mk7
-rw-r--r--keyboards/akb/raine/rules.mk7
-rw-r--r--keyboards/alf/dc60/rules.mk7
-rw-r--r--keyboards/alf/x11/rules.mk7
-rw-r--r--keyboards/alf/x2/rules.mk7
-rw-r--r--keyboards/allison/rules.mk7
-rw-r--r--keyboards/allison_numpad/rules.mk7
-rwxr-xr-xkeyboards/alpha/rules.mk7
-rw-r--r--keyboards/alps64/rules.mk7
-rw-r--r--keyboards/amj96/rules.mk7
-rw-r--r--keyboards/amjkeyboard/amj66/rules.mk7
-rw-r--r--keyboards/amjpad/rules.mk7
-rw-r--r--keyboards/anavi/macropad8/rules.mk7
-rw-r--r--keyboards/angel17/alpha/rules.mk7
-rw-r--r--keyboards/angel17/rev1/rules.mk7
-rw-r--r--keyboards/angel17/rules.mk7
-rw-r--r--keyboards/angel64/rules.mk7
-rw-r--r--keyboards/aos/tkl/rules.mk7
-rw-r--r--keyboards/aplyard/aplx6/rev1/rules.mk7
-rw-r--r--keyboards/arabica37/rev1/rules.mk7
-rw-r--r--keyboards/ash1800/rules.mk7
-rw-r--r--keyboards/ashpil/modelm_usbc/rules.mk7
-rw-r--r--keyboards/at101_bh/rules.mk7
-rw-r--r--keyboards/atreus/astar/rules.mk7
-rw-r--r--keyboards/atreus/astar_mirrored/rules.mk7
-rw-r--r--keyboards/atreus/feather/rules.mk7
-rw-r--r--keyboards/atreus/promicro/rules.mk7
-rw-r--r--keyboards/atreus/teensy2/rules.mk7
-rw-r--r--keyboards/atreus62/rules.mk7
-rw-r--r--keyboards/atxkb/1894/rules.mk7
-rw-r--r--keyboards/baguette/rules.mk7
-rw-r--r--keyboards/bakeneko80/rules.mk7
-rw-r--r--keyboards/bantam44/rules.mk7
-rw-r--r--keyboards/basekeys/slice/rev1/rules.mk7
-rw-r--r--keyboards/basekeys/slice/rev1_rgb/rules.mk7
-rw-r--r--keyboards/bat43/rules.mk7
-rw-r--r--keyboards/bfake/rules.mk7
-rwxr-xr-xkeyboards/bigseries/1key/rules.mk7
-rwxr-xr-xkeyboards/bigseries/2key/rules.mk7
-rwxr-xr-xkeyboards/bigseries/3key/rules.mk7
-rwxr-xr-xkeyboards/bigseries/4key/rules.mk7
-rw-r--r--keyboards/bioi/g60ble/rules.mk7
-rw-r--r--keyboards/blackplum/rules.mk6
-rw-r--r--keyboards/blockey/rules.mk7
-rw-r--r--keyboards/boardsource/3x4/rules.mk7
-rw-r--r--keyboards/boardsource/4x12/rules.mk7
-rw-r--r--keyboards/boardsource/5x12/rules.mk7
-rw-r--r--keyboards/boardwalk/rules.mk7
-rw-r--r--keyboards/botanicalkeyboards/fm2u/rules.mk7
-rw-r--r--keyboards/bpiphany/frosty_flake/rules.mk7
-rw-r--r--keyboards/bpiphany/kitten_paw/rules.mk7
-rw-r--r--keyboards/bpiphany/pegasushoof/rules.mk7
-rw-r--r--keyboards/bpiphany/sixshooter/rules.mk7
-rw-r--r--keyboards/bpiphany/tiger_lily/rules.mk7
-rw-r--r--keyboards/bpiphany/unloved_bastard/rules.mk7
-rw-r--r--keyboards/bthlabs/geekpad/rules.mk7
-rw-r--r--keyboards/business_card/alpha/rules.mk7
-rw-r--r--keyboards/business_card/beta/rules.mk7
-rw-r--r--keyboards/business_card/rules.mk7
-rw-r--r--keyboards/butterstick/rules.mk7
-rwxr-xr-xkeyboards/c39/rules.mk7
-rw-r--r--keyboards/cannonkeys/atlas/rules.mk2
-rw-r--r--keyboards/capsunlocked/cu65/rules.mk2
-rw-r--r--keyboards/capsunlocked/cu7/rules.mk2
-rw-r--r--keyboards/catch22/rules.mk7
-rw-r--r--keyboards/centromere/keymaps/default_u2/rules.mk7
-rw-r--r--keyboards/centromere/rules.mk7
-rw-r--r--keyboards/chidori/rules.mk7
-rw-r--r--keyboards/chili/rules.mk7
-rw-r--r--keyboards/chimera_ergo/rules.mk7
-rw-r--r--keyboards/chimera_ls/rules.mk7
-rw-r--r--keyboards/chimera_ortho/rules.mk7
-rw-r--r--keyboards/chimera_ortho_plus/rules.mk9
-rw-r--r--keyboards/choc_taro/rules.mk7
-rw-r--r--keyboards/christmas_tree/rules.mk7
-rw-r--r--keyboards/ckeys/nakey/rules.mk7
-rw-r--r--keyboards/ckeys/obelus/rules.mk7
-rw-r--r--keyboards/ckeys/washington/rules.mk7
-rw-r--r--keyboards/claw44/rules.mk7
-rw-r--r--keyboards/clawsome/bookerboard/rules.mk7
-rw-r--r--keyboards/cocoa40/rules.mk7
-rw-r--r--keyboards/comet46/rules.mk7
-rwxr-xr-xkeyboards/contra/rules.mk7
-rw-r--r--keyboards/converter/adb_usb/rules.mk7
-rw-r--r--keyboards/converter/hp_46010a/rules.mk7
-rw-r--r--keyboards/converter/ibm_terminal/rules.mk7
-rw-r--r--keyboards/converter/m0110_usb/rules.mk7
-rw-r--r--keyboards/converter/modelm101/rules.mk7
-rw-r--r--keyboards/converter/numeric_keypad_IIe/rules.mk7
-rw-r--r--keyboards/converter/palm_usb/rules.mk7
-rw-r--r--keyboards/converter/sun_usb/rules.mk7
-rw-r--r--keyboards/converter/usb_usb/rules.mk7
-rwxr-xr-xkeyboards/copenhagen_click/click_pad_v1/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/discipad/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/discipline/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/mullet/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/mulletpad/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/mysterium/rules.mk7
-rw-r--r--keyboards/coseyfannitutti/romeo/rules.mk7
-rwxr-xr-xkeyboards/crawlpad/rules.mk7
-rw-r--r--keyboards/cu24/rules.mk7
-rw-r--r--keyboards/cu75/rules.mk7
-rw-r--r--keyboards/cu80/rules.mk7
-rw-r--r--keyboards/cutie_club/wraith/rules.mk7
-rw-r--r--keyboards/db/db63/rules.mk7
-rw-r--r--keyboards/dc01/arrow/rules.mk7
-rw-r--r--keyboards/dc01/left/rules.mk7
-rw-r--r--keyboards/dc01/numpad/rules.mk7
-rw-r--r--keyboards/dc01/right/rules.mk7
-rw-r--r--keyboards/deltasplit75/rules.mk7
-rwxr-xr-xkeyboards/dichotomy/rules.mk7
-rw-r--r--keyboards/diverge3/rules.mk7
-rw-r--r--keyboards/divergetm2/rules.mk7
-rw-r--r--keyboards/dm9records/ergoinu/rules.mk7
-rw-r--r--keyboards/dm9records/plaid/rules.mk7
-rw-r--r--keyboards/dm9records/tartan/rules.mk7
-rw-r--r--keyboards/dmqdesign/spin/rules.mk7
-rw-r--r--keyboards/do60/rules.mk7
-rw-r--r--keyboards/donutcables/budget96/rules.mk7
-rw-r--r--keyboards/doppelganger/rules.mk7
-rw-r--r--keyboards/doro67/multi/rules.mk8
-rw-r--r--keyboards/doro67/regular/rules.mk7
-rw-r--r--keyboards/doro67/rgb/rules.mk7
-rw-r--r--keyboards/dozen0/rules.mk7
-rw-r--r--keyboards/dp60/rules.mk7
-rw-r--r--keyboards/duck/jetfire/rules.mk7
-rw-r--r--keyboards/duck/lightsaver/rules.mk7
-rw-r--r--keyboards/duck/octagon/v1/rules.mk7
-rw-r--r--keyboards/duck/octagon/v2/rules.mk7
-rw-r--r--keyboards/duck/orion/v3/rules.mk7
-rw-r--r--keyboards/duck/tcv3/rules.mk7
-rw-r--r--keyboards/dztech/dz60rgb/v2/rules.mk7
-rw-r--r--keyboards/dztech/dz60rgb_ansi/v2/rules.mk7
-rw-r--r--keyboards/dztech/dz60rgb_wkl/v2/rules.mk7
-rw-r--r--keyboards/dztech/dz65rgb/v2/rules.mk7
-rw-r--r--keyboards/eco/rules.mk7
-rw-r--r--keyboards/emi20/rules.mk2
-rw-r--r--keyboards/emptystring/NQG/rules.mk7
-rw-r--r--keyboards/eniigmakeyboards/ek87/rules.mk7
-rw-r--r--keyboards/ep/40/rules.mk7
-rw-r--r--keyboards/ep/96/rules.mk7
-rw-r--r--keyboards/ep/comsn/hs68/rules.mk7
-rw-r--r--keyboards/ep/comsn/mollydooker/rules.mk7
-rw-r--r--keyboards/ep/comsn/tf_longeboye/rules.mk7
-rw-r--r--keyboards/ergo42/rules.mk7
-rw-r--r--keyboards/ergodash/rules.mk7
-rw-r--r--keyboards/ergosaurus/rules.mk7
-rw-r--r--keyboards/ergoslab/rules.mk7
-rw-r--r--keyboards/ergotaco/rules.mk7
-rw-r--r--keyboards/ericrlau/numdiscipline/rev1/rules.mk7
-rwxr-xr-xkeyboards/espectro/rules.mk7
-rw-r--r--keyboards/eve/meteor/rules.mk7
-rw-r--r--keyboards/evil80/rules.mk7
-rw-r--r--keyboards/evyd13/eon40/rules.mk7
-rw-r--r--keyboards/evyd13/eon65/rules.mk7
-rw-r--r--keyboards/evyd13/eon75/rules.mk7
-rw-r--r--keyboards/evyd13/eon87/rules.mk7
-rw-r--r--keyboards/evyd13/eon95/rules.mk7
-rw-r--r--keyboards/evyd13/minitomic/rules.mk7
-rw-r--r--keyboards/evyd13/mx5160/rules.mk7
-rw-r--r--keyboards/evyd13/nt660/rules.mk7
-rw-r--r--keyboards/evyd13/omrontkl/rules.mk7
-rw-r--r--keyboards/evyd13/plain60/rules.mk7
-rw-r--r--keyboards/evyd13/pockettype/rules.mk7
-rw-r--r--keyboards/evyd13/ta65/rules.mk7
-rw-r--r--keyboards/evyd13/wasdat/rules.mk7
-rw-r--r--keyboards/evyd13/wasdat_code/rules.mk7
-rw-r--r--keyboards/evyd13/wonderland/rules.mk7
-rw-r--r--keyboards/exclusive/e65/rules.mk7
-rw-r--r--keyboards/exclusive/e6_rgb/rules.mk7
-rw-r--r--keyboards/exclusive/e6v2/le/rules.mk7
-rw-r--r--keyboards/exclusive/e6v2/le_bmc/rules.mk7
-rw-r--r--keyboards/exclusive/e6v2/oe/rules.mk7
-rw-r--r--keyboards/exclusive/e6v2/oe_bmc/rules.mk7
-rw-r--r--keyboards/exclusive/e7v1/rules.mk7
-rw-r--r--keyboards/exclusive/e7v1se/rules.mk7
-rw-r--r--keyboards/facew/rules.mk7
-rw-r--r--keyboards/fc660c/rules.mk7
-rw-r--r--keyboards/fc980c/rules.mk7
-rw-r--r--keyboards/felix/rules.mk7
-rw-r--r--keyboards/flehrad/bigswitch/rules.mk7
-rw-r--r--keyboards/flehrad/downbubble/rules.mk7
-rw-r--r--keyboards/flehrad/numbrero/rules.mk7
-rw-r--r--keyboards/flehrad/snagpad/rules.mk7
-rw-r--r--keyboards/fleuron/rules.mk7
-rw-r--r--keyboards/fluorite/rules.mk7
-rw-r--r--keyboards/flx/lodestone/rules.mk7
-rw-r--r--keyboards/flx/virgo/rules.mk7
-rw-r--r--keyboards/fortitude60/rules.mk7
-rw-r--r--keyboards/four_banger/rules.mk7
-rw-r--r--keyboards/foxlab/key65/hotswap/rules.mk7
-rw-r--r--keyboards/foxlab/key65/universal/rules.mk7
-rw-r--r--keyboards/foxlab/leaf60/hotswap/rules.mk7
-rw-r--r--keyboards/foxlab/leaf60/universal/rules.mk7
-rwxr-xr-xkeyboards/fractal/rules.mk7
-rw-r--r--keyboards/ft/mars80/rules.mk7
-rw-r--r--keyboards/funky40/rules.mk7
-rw-r--r--keyboards/gami_studio/lex60/rules.mk7
-rw-r--r--keyboards/geekboards/tester/rules.mk7
-rw-r--r--keyboards/georgi/rules.mk7
-rw-r--r--keyboards/gergo/rules.mk7
-rw-r--r--keyboards/getta25/rules.mk7
-rw-r--r--keyboards/gh60/revc/rules.mk7
-rw-r--r--keyboards/gh60/satan/rules.mk7
-rw-r--r--keyboards/gh80_3000/rules.mk7
-rw-r--r--keyboards/ghs/rar/rules.mk7
-rw-r--r--keyboards/gingham/rules.mk7
-rw-r--r--keyboards/gon/nerdtkl/rules.mk7
-rw-r--r--keyboards/gowla/rules.mk7
-rw-r--r--keyboards/gray_studio/cod67/rules.mk7
-rw-r--r--keyboards/gray_studio/hb85/rules.mk7
-rw-r--r--keyboards/gray_studio/space65/rules.mk7
-rw-r--r--keyboards/gray_studio/think65/hotswap/rules.mk7
-rw-r--r--keyboards/gray_studio/think65/solder/rules.mk7
-rw-r--r--keyboards/grid600/press/rules.mk7
-rwxr-xr-xkeyboards/gskt00/rules.mk7
-rw-r--r--keyboards/hadron/ver2/rules.mk7
-rw-r--r--keyboards/halberd/rules.mk7
-rw-r--r--keyboards/handwired/108key_trackpoint/rules.mk7
-rw-r--r--keyboards/handwired/2x5keypad/rules.mk7
-rw-r--r--keyboards/handwired/412_64/rules.mk7
-rw-r--r--keyboards/handwired/42/rules.mk7
-rw-r--r--keyboards/handwired/aek64/rules.mk7
-rw-r--r--keyboards/handwired/aplx2/rules.mk7
-rw-r--r--keyboards/handwired/aranck/rules.mk7
-rw-r--r--keyboards/handwired/arrow_pad/rules.mk7
-rw-r--r--keyboards/handwired/atreus50/rules.mk7
-rw-r--r--keyboards/handwired/bdn9_ble/rules.mk7
-rw-r--r--keyboards/handwired/boss566y/redragon_vara/rules.mk7
-rw-r--r--keyboards/handwired/cans12er/rules.mk7
-rw-r--r--keyboards/handwired/chiron/rules.mk7
-rw-r--r--keyboards/handwired/cmd60/rules.mk7
-rw-r--r--keyboards/handwired/co60/rev1/rules.mk7
-rw-r--r--keyboards/handwired/colorlice/rules.mk7
-rw-r--r--keyboards/handwired/dactyl/rules.mk7
-rw-r--r--keyboards/handwired/dactyl_left/rules.mk7
-rw-r--r--keyboards/handwired/dactyl_promicro/rules.mk7
-rw-r--r--keyboards/handwired/daishi/rules.mk7
-rw-r--r--keyboards/handwired/datahand/rules.mk7
-rw-r--r--keyboards/handwired/eagleii/rules.mk7
-rw-r--r--keyboards/handwired/fc200rt_qmk/rules.mk7
-rw-r--r--keyboards/handwired/fivethirteen/rules.mk7
-rw-r--r--keyboards/handwired/frenchdev/rules.mk7
-rw-r--r--keyboards/handwired/fruity60/rules.mk7
-rw-r--r--keyboards/handwired/gamenum/rules.mk7
-rw-r--r--keyboards/handwired/hacked_motospeed/rules.mk7
-rw-r--r--keyboards/handwired/heisenberg/rules.mk7
-rw-r--r--keyboards/handwired/hexon38/rules.mk7
-rw-r--r--keyboards/handwired/hnah40/rules.mk7
-rw-r--r--keyboards/handwired/hnah40rgb/rules.mk6
-rw-r--r--keyboards/handwired/ibm122m/rules.mk7
-rw-r--r--keyboards/handwired/jn68m/rules.mk7
-rw-r--r--keyboards/handwired/jopr/rules.mk7
-rw-r--r--keyboards/handwired/jot50/rules.mk7
-rw-r--r--keyboards/handwired/jotanck/rules.mk7
-rw-r--r--keyboards/handwired/jotpad16/rules.mk7
-rw-r--r--keyboards/handwired/jtallbean/split_65/rules.mk7
-rw-r--r--keyboards/handwired/juliet/rules.mk7
-rw-r--r--keyboards/handwired/k8split/rules.mk7
-rw-r--r--keyboards/handwired/k_numpad17/rules.mk7
-rw-r--r--keyboards/handwired/kbod/rules.mk7
-rw-r--r--keyboards/handwired/lovelive9/rules.mk7
-rw-r--r--keyboards/handwired/magicforce61/rules.mk7
-rw-r--r--keyboards/handwired/magicforce68/rules.mk7
-rw-r--r--keyboards/handwired/mechboards_micropad/rules.mk7
-rw-r--r--keyboards/handwired/minorca/rules.mk7
-rw-r--r--keyboards/handwired/ms_sculpt_mobile/rules.mk10
-rw-r--r--keyboards/handwired/myskeeb/rules.mk7
-rw-r--r--keyboards/handwired/nicekey/rules.mk7
-rw-r--r--keyboards/handwired/not_so_minidox/rules.mk7
-rw-r--r--keyboards/handwired/novem/rules.mk7
-rw-r--r--keyboards/handwired/numpad20/rules.mk7
-rw-r--r--keyboards/handwired/obuwunkunubi/spaget/rules.mk7
-rw-r--r--keyboards/handwired/onekey/keymaps/quine/rules.mk2
-rw-r--r--keyboards/handwired/ortho5x13/rules.mk7
-rw-r--r--keyboards/handwired/owlet60/rules.mk7
-rw-r--r--keyboards/handwired/pilcrow/rules.mk7
-rw-r--r--keyboards/handwired/postageboard/mini/rules.mk7
-rw-r--r--keyboards/handwired/postageboard/r1/rules.mk7
-rw-r--r--keyboards/handwired/prime_exl/rules.mk7
-rw-r--r--keyboards/handwired/prime_exl_plus/rules.mk7
-rw-r--r--keyboards/handwired/prkl30/feather/rules.mk7
-rw-r--r--keyboards/handwired/prkl30/promicro/rules.mk7
-rw-r--r--keyboards/handwired/promethium/rules.mk7
-rw-r--r--keyboards/handwired/pteron/rules.mk7
-rw-r--r--keyboards/handwired/qc60/rules.mk7
-rwxr-xr-xkeyboards/handwired/reddot/rules.mk24
-rw-r--r--keyboards/handwired/retro_refit/rules.mk7
-rw-r--r--keyboards/handwired/rs60/rules.mk7
-rw-r--r--keyboards/handwired/sick68/rules.mk7
-rw-r--r--keyboards/handwired/slash/rules.mk7
-rw-r--r--keyboards/handwired/space_oddity/rules.mk7
-rw-r--r--keyboards/handwired/splittest/promicro/rules.mk7
-rw-r--r--keyboards/handwired/splittest/teensy_2/rules.mk7
-rw-r--r--keyboards/handwired/sticc14/rules.mk7
-rw-r--r--keyboards/handwired/swiftrax/cowfish/rules.mk7
-rw-r--r--keyboards/handwired/symmetry60/rules.mk7
-rw-r--r--keyboards/handwired/tennie/rules.mk7
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-rw-r--r--keyboards/wilba_tech/wt60_b/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt60_bx/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt60_c/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt60_d/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt60_xt/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt65_a/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt65_b/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt69_a/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt75_a/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt75_b/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt75_c/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt80_a/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt80_bc/rules.mk7
-rw-r--r--keyboards/wilba_tech/wt8_a/rules.mk7
-rw-r--r--keyboards/wilba_tech/zeal60/rules.mk7
-rw-r--r--keyboards/wilba_tech/zeal65/rules.mk7
-rw-r--r--keyboards/winkeyless/bface/rules.mk7
-rw-r--r--keyboards/winkeyless/bmini/rules.mk7
-rw-r--r--keyboards/winkeyless/bminiex/rules.mk7
-rw-r--r--keyboards/wsk/gothic50/rules.mk7
-rw-r--r--keyboards/wsk/gothic70/rules.mk7
-rw-r--r--keyboards/wsk/houndstooth/rules.mk7
-rw-r--r--keyboards/wsk/jerkin/rules.mk7
-rw-r--r--keyboards/wsk/kodachi50/rules.mk7
-rw-r--r--keyboards/wsk/pain27/rules.mk7
-rw-r--r--keyboards/wsk/sl40/rules.mk7
-rw-r--r--keyboards/wsk/tkl30/rules.mk7
-rw-r--r--keyboards/x16/rules.mk7
-rw-r--r--keyboards/xelus/dawn60/rev1/rules.mk7
-rw-r--r--keyboards/xelus/dawn60/rev1_qmk/rules.mk7
-rw-r--r--keyboards/xelus/snap96/rules.mk7
-rw-r--r--keyboards/xiudi/xd004/v1/rules.mk7
-rw-r--r--keyboards/xiudi/xd60/rev2/rules.mk7
-rw-r--r--keyboards/xiudi/xd60/rev3/rules.mk7
-rw-r--r--keyboards/xiudi/xd68/rules.mk7
-rw-r--r--keyboards/xiudi/xd84/rules.mk7
-rw-r--r--keyboards/xiudi/xd87/rules.mk7
-rw-r--r--keyboards/xiudi/xd96/rules.mk7
-rw-r--r--keyboards/xmmx/rules.mk7
-rw-r--r--keyboards/xw60/rules.mk7
-rw-r--r--keyboards/yasui/rules.mk2
-rw-r--r--keyboards/yatara/drink_me/rules.mk7
-rw-r--r--keyboards/yd60mq/rules.mk7
-rw-r--r--keyboards/yd68/rules.mk7
-rw-r--r--keyboards/yeehaw/rules.mk1
-rw-r--r--keyboards/ymd75/rev1/rules.mk7
-rw-r--r--keyboards/ymd75/rev2/rules.mk7
-rw-r--r--keyboards/ymd96/rules.mk7
-rw-r--r--keyboards/ymdk/bface/rules.mk7
-rw-r--r--keyboards/ymdk/sp64/rules.mk7
-rw-r--r--keyboards/ymdk/ymd09/rules.mk7
-rw-r--r--keyboards/ymdk/ymd67/rules.mk7
-rw-r--r--keyboards/yncognito/batpad/rules.mk7
-rw-r--r--keyboards/yosino58/rules.mk7
-rw-r--r--keyboards/yurei/rules.mk7
-rw-r--r--keyboards/yushakobo/quick7/rules.mk7
-rw-r--r--keyboards/z150_bh/rules.mk7
-rw-r--r--keyboards/zfrontier/big_switch/rules.mk7
-rw-r--r--keyboards/zinc/rules.mk7
-rw-r--r--keyboards/zj68/rules.mk7
-rwxr-xr-xkeyboards/zlant/rules.mk7
765 files changed, 34 insertions, 5233 deletions
diff --git a/keyboards/1upkeyboards/1up60hse/rules.mk b/keyboards/1upkeyboards/1up60hse/rules.mk
index 2c7392c6eb..0db8fb2a94 100644
--- a/keyboards/1upkeyboards/1up60hse/rules.mk
+++ b/keyboards/1upkeyboards/1up60hse/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/1upkeyboards/1up60rgb/rules.mk b/keyboards/1upkeyboards/1up60rgb/rules.mk
index cb4ba7bb36..7949142a1d 100644
--- a/keyboards/1upkeyboards/1up60rgb/rules.mk
+++ b/keyboards/1upkeyboards/1up60rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/1upkeyboards/super16/rules.mk b/keyboards/1upkeyboards/super16/rules.mk
index 4cd0ce0091..4f75d53a5f 100644
--- a/keyboards/1upkeyboards/super16/rules.mk
+++ b/keyboards/1upkeyboards/super16/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/1upkeyboards/sweet16/v1/rules.mk b/keyboards/1upkeyboards/sweet16/v1/rules.mk
index 4c4280cdd4..817f02aa23 100644
--- a/keyboards/1upkeyboards/sweet16/v1/rules.mk
+++ b/keyboards/1upkeyboards/sweet16/v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
RGBLIGHT_ENABLE = yes
diff --git a/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk b/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk
index 16510f7674..a8249511bc 100644
--- a/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk
+++ b/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
## Features
diff --git a/keyboards/2key2crawl/rules.mk b/keyboards/2key2crawl/rules.mk
index 1565cc38d3..19a463a5af 100644
--- a/keyboards/2key2crawl/rules.mk
+++ b/keyboards/2key2crawl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/30wer/rules.mk b/keyboards/30wer/rules.mk
index 9732be1c2c..c66d134ed4 100644
--- a/keyboards/30wer/rules.mk
+++ b/keyboards/30wer/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/25/rules.mk b/keyboards/40percentclub/25/rules.mk
index 53bc1a7076..9a0010bb24 100644
--- a/keyboards/40percentclub/25/rules.mk
+++ b/keyboards/40percentclub/25/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/4pack/rules.mk b/keyboards/40percentclub/4pack/rules.mk
index f684c650c2..e816ff4e65 100644
--- a/keyboards/40percentclub/4pack/rules.mk
+++ b/keyboards/40percentclub/4pack/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/4x4/rules.mk b/keyboards/40percentclub/4x4/rules.mk
index 4409d64b63..90eef506ec 100644
--- a/keyboards/40percentclub/4x4/rules.mk
+++ b/keyboards/40percentclub/4x4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/5x5/rules.mk b/keyboards/40percentclub/5x5/rules.mk
index d9edf4284f..b806afb4cc 100644
--- a/keyboards/40percentclub/5x5/rules.mk
+++ b/keyboards/40percentclub/5x5/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/6lit/rules.mk b/keyboards/40percentclub/6lit/rules.mk
index e6d7079db0..c3b3d25f39 100644
--- a/keyboards/40percentclub/6lit/rules.mk
+++ b/keyboards/40percentclub/6lit/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/foobar/rules.mk b/keyboards/40percentclub/foobar/rules.mk
index 86368f3bd1..05e7632a77 100644
--- a/keyboards/40percentclub/foobar/rules.mk
+++ b/keyboards/40percentclub/foobar/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/gherkin/rules.mk b/keyboards/40percentclub/gherkin/rules.mk
index 2b2a89b900..5db3f2eedb 100644
--- a/keyboards/40percentclub/gherkin/rules.mk
+++ b/keyboards/40percentclub/gherkin/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/half_n_half/rules.mk b/keyboards/40percentclub/half_n_half/rules.mk
index 5ab178e8ba..bc9fd0f48b 100644
--- a/keyboards/40percentclub/half_n_half/rules.mk
+++ b/keyboards/40percentclub/half_n_half/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/i75/promicro/rules.mk b/keyboards/40percentclub/i75/promicro/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/40percentclub/i75/promicro/rules.mk
+++ b/keyboards/40percentclub/i75/promicro/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/40percentclub/i75/teensy2/rules.mk b/keyboards/40percentclub/i75/teensy2/rules.mk
index ae398e2588..320633f80f 100644
--- a/keyboards/40percentclub/i75/teensy2/rules.mk
+++ b/keyboards/40percentclub/i75/teensy2/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
diff --git a/keyboards/40percentclub/luddite/rules.mk b/keyboards/40percentclub/luddite/rules.mk
index 6b026cead2..e623904b20 100644
--- a/keyboards/40percentclub/luddite/rules.mk
+++ b/keyboards/40percentclub/luddite/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/mf68/rules.mk b/keyboards/40percentclub/mf68/rules.mk
index 48ad075a0a..75c1612ff5 100644
--- a/keyboards/40percentclub/mf68/rules.mk
+++ b/keyboards/40percentclub/mf68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/nano/rules.mk b/keyboards/40percentclub/nano/rules.mk
index cb6b0b389f..4de1d611d2 100644
--- a/keyboards/40percentclub/nano/rules.mk
+++ b/keyboards/40percentclub/nano/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/nein/rules.mk b/keyboards/40percentclub/nein/rules.mk
index 87eb47e4c6..10b4561e9e 100644
--- a/keyboards/40percentclub/nein/rules.mk
+++ b/keyboards/40percentclub/nein/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/nori/rules.mk b/keyboards/40percentclub/nori/rules.mk
index e173f397fc..2d90ccc5c8 100644
--- a/keyboards/40percentclub/nori/rules.mk
+++ b/keyboards/40percentclub/nori/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/tomato/rules.mk b/keyboards/40percentclub/tomato/rules.mk
index 43af535505..4cd1fd625b 100644
--- a/keyboards/40percentclub/tomato/rules.mk
+++ b/keyboards/40percentclub/tomato/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/40percentclub/ut47/rules.mk b/keyboards/40percentclub/ut47/rules.mk
index 82900cac3c..4f0d0bdb2f 100644
--- a/keyboards/40percentclub/ut47/rules.mk
+++ b/keyboards/40percentclub/ut47/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/4by3/rules.mk b/keyboards/4by3/rules.mk
index 912449366a..4fb3d71e4a 100644
--- a/keyboards/4by3/rules.mk
+++ b/keyboards/4by3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
EXTRAKEY_ENABLE = yes
diff --git a/keyboards/4pplet/aekiso60/rev_a/rules.mk b/keyboards/4pplet/aekiso60/rev_a/rules.mk
index 9ded2ef9b3..8a382bf874 100644
--- a/keyboards/4pplet/aekiso60/rev_a/rules.mk
+++ b/keyboards/4pplet/aekiso60/rev_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/4pplet/steezy60/rev_a/rules.mk b/keyboards/4pplet/steezy60/rev_a/rules.mk
index 9ded2ef9b3..8a382bf874 100644
--- a/keyboards/4pplet/steezy60/rev_a/rules.mk
+++ b/keyboards/4pplet/steezy60/rev_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/4pplet/waffling60/rev_a/rules.mk b/keyboards/4pplet/waffling60/rev_a/rules.mk
index 9ded2ef9b3..8a382bf874 100644
--- a/keyboards/4pplet/waffling60/rev_a/rules.mk
+++ b/keyboards/4pplet/waffling60/rev_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/6ball/rules.mk b/keyboards/6ball/rules.mk
index 6f75870515..ef648135d6 100644
--- a/keyboards/6ball/rules.mk
+++ b/keyboards/6ball/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/7c8/framework/rules.mk b/keyboards/7c8/framework/rules.mk
index b308c5b8e0..2785c0a812 100644
--- a/keyboards/7c8/framework/rules.mk
+++ b/keyboards/7c8/framework/rules.mk
@@ -1,4 +1,7 @@
+# MCU name
MCU = atmega328p
+
+# Bootloader selection
BOOTLOADER = USBasp
BOOTMAGIC_ENABLE = no # Enable Bootmagic Lite
diff --git a/keyboards/7skb/rules.mk b/keyboards/7skb/rules.mk
index df6d10c0ff..79dfac3bb8 100644
--- a/keyboards/7skb/rules.mk
+++ b/keyboards/7skb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/8pack/rules.mk b/keyboards/8pack/rules.mk
index 4b00bd2e56..e6b4720fea 100644
--- a/keyboards/8pack/rules.mk
+++ b/keyboards/8pack/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/9key/rules.mk b/keyboards/9key/rules.mk
index bf6bc8a181..f4ee96e9bc 100644
--- a/keyboards/9key/rules.mk
+++ b/keyboards/9key/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/abacus/rules.mk b/keyboards/abacus/rules.mk
index af4042fd95..c5dcd9c4c8 100644
--- a/keyboards/abacus/rules.mk
+++ b/keyboards/abacus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/absinthe/rules.mk b/keyboards/absinthe/rules.mk
index c71d23e8d2..634bdccdb7 100644
--- a/keyboards/absinthe/rules.mk
+++ b/keyboards/absinthe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/abstract/ellipse/rev1/rules.mk b/keyboards/abstract/ellipse/rev1/rules.mk
index cb241b2c00..941783b599 100644
--- a/keyboards/abstract/ellipse/rev1/rules.mk
+++ b/keyboards/abstract/ellipse/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/acheron/elongate/rules.mk b/keyboards/acheron/elongate/rules.mk
index 09dd01ea9c..c357cdcb6b 100644
--- a/keyboards/acheron/elongate/rules.mk
+++ b/keyboards/acheron/elongate/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/acr60/rules.mk b/keyboards/acr60/rules.mk
index 485f8759cb..89557e4ea7 100644
--- a/keyboards/acr60/rules.mk
+++ b/keyboards/acr60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/adkb96/rules.mk b/keyboards/adkb96/rules.mk
index acec579a2a..3447c55afa 100644
--- a/keyboards/adkb96/rules.mk
+++ b/keyboards/adkb96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/aeboards/aegis/rules.mk b/keyboards/aeboards/aegis/rules.mk
index 826fc8aecb..95af6b05e5 100644
--- a/keyboards/aeboards/aegis/rules.mk
+++ b/keyboards/aeboards/aegis/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/aeboards/ext65/rev1/rules.mk b/keyboards/aeboards/ext65/rev1/rules.mk
index 826fc8aecb..95af6b05e5 100644
--- a/keyboards/aeboards/ext65/rev1/rules.mk
+++ b/keyboards/aeboards/ext65/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/equinox/rev0/rules.mk b/keyboards/ai03/equinox/rev0/rules.mk
index 023312ee39..f8eee8cd8b 100644
--- a/keyboards/ai03/equinox/rev0/rules.mk
+++ b/keyboards/ai03/equinox/rev0/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/equinox/rev1/rules.mk b/keyboards/ai03/equinox/rev1/rules.mk
index 023312ee39..f8eee8cd8b 100644
--- a/keyboards/ai03/equinox/rev1/rules.mk
+++ b/keyboards/ai03/equinox/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/lunar/rules.mk b/keyboards/ai03/lunar/rules.mk
index 13a82136b8..8b4839413d 100644
--- a/keyboards/ai03/lunar/rules.mk
+++ b/keyboards/ai03/lunar/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/orbit/rules.mk b/keyboards/ai03/orbit/rules.mk
index 12418dbdd9..e0db1b1db6 100644
--- a/keyboards/ai03/orbit/rules.mk
+++ b/keyboards/ai03/orbit/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/orbit_x/rules.mk b/keyboards/ai03/orbit_x/rules.mk
index e85961eee7..0acf016394 100644
--- a/keyboards/ai03/orbit_x/rules.mk
+++ b/keyboards/ai03/orbit_x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/polaris/rules.mk b/keyboards/ai03/polaris/rules.mk
index c4b1c6dc76..958b04a879 100644
--- a/keyboards/ai03/polaris/rules.mk
+++ b/keyboards/ai03/polaris/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/quasar/rules.mk b/keyboards/ai03/quasar/rules.mk
index 8b8b094a39..f1027b921d 100644
--- a/keyboards/ai03/quasar/rules.mk
+++ b/keyboards/ai03/quasar/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ai03/soyuz/rules.mk b/keyboards/ai03/soyuz/rules.mk
index 36bf7c4e2f..7c3081a745 100644
--- a/keyboards/ai03/soyuz/rules.mk
+++ b/keyboards/ai03/soyuz/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/akb/eb46/rules.mk b/keyboards/akb/eb46/rules.mk
index fc6b297de6..63b9285dae 100644
--- a/keyboards/akb/eb46/rules.mk
+++ b/keyboards/akb/eb46/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/akb/raine/rules.mk b/keyboards/akb/raine/rules.mk
index fc6b297de6..63b9285dae 100644
--- a/keyboards/akb/raine/rules.mk
+++ b/keyboards/akb/raine/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/alf/dc60/rules.mk b/keyboards/alf/dc60/rules.mk
index ac57f9939b..fb3421d896 100644
--- a/keyboards/alf/dc60/rules.mk
+++ b/keyboards/alf/dc60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/alf/x11/rules.mk b/keyboards/alf/x11/rules.mk
index b6b687afba..6c45f54894 100644
--- a/keyboards/alf/x11/rules.mk
+++ b/keyboards/alf/x11/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/alf/x2/rules.mk b/keyboards/alf/x2/rules.mk
index 485f8759cb..89557e4ea7 100644
--- a/keyboards/alf/x2/rules.mk
+++ b/keyboards/alf/x2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/allison/rules.mk b/keyboards/allison/rules.mk
index d98f8cd9a2..7cbc61c878 100644
--- a/keyboards/allison/rules.mk
+++ b/keyboards/allison/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/allison_numpad/rules.mk b/keyboards/allison_numpad/rules.mk
index d4b7346013..48000ca9a5 100644
--- a/keyboards/allison_numpad/rules.mk
+++ b/keyboards/allison_numpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/alpha/rules.mk b/keyboards/alpha/rules.mk
index 22a2551384..965667d9ad 100755
--- a/keyboards/alpha/rules.mk
+++ b/keyboards/alpha/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/alps64/rules.mk b/keyboards/alps64/rules.mk
index 766116e5ec..91eb9f2e11 100644
--- a/keyboards/alps64/rules.mk
+++ b/keyboards/alps64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/amj96/rules.mk b/keyboards/amj96/rules.mk
index 725e5a8844..e09d8d0b59 100644
--- a/keyboards/amj96/rules.mk
+++ b/keyboards/amj96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/amjkeyboard/amj66/rules.mk b/keyboards/amjkeyboard/amj66/rules.mk
index dd4b5e0de0..db2667086f 100644
--- a/keyboards/amjkeyboard/amj66/rules.mk
+++ b/keyboards/amjkeyboard/amj66/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/amjpad/rules.mk b/keyboards/amjpad/rules.mk
index 81aaacd2c0..297f810b01 100644
--- a/keyboards/amjpad/rules.mk
+++ b/keyboards/amjpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/anavi/macropad8/rules.mk b/keyboards/anavi/macropad8/rules.mk
index 63a7bb719a..60146e3de0 100644
--- a/keyboards/anavi/macropad8/rules.mk
+++ b/keyboards/anavi/macropad8/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/angel17/alpha/rules.mk b/keyboards/angel17/alpha/rules.mk
index 6ce1e4f3ab..f8f8991978 100644
--- a/keyboards/angel17/alpha/rules.mk
+++ b/keyboards/angel17/alpha/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/angel17/rev1/rules.mk b/keyboards/angel17/rev1/rules.mk
index fb35bf08ab..e4d388dd98 100644
--- a/keyboards/angel17/rev1/rules.mk
+++ b/keyboards/angel17/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/angel17/rules.mk b/keyboards/angel17/rules.mk
index 4dc8b62c0f..bd078fe696 100644
--- a/keyboards/angel17/rules.mk
+++ b/keyboards/angel17/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/angel64/rules.mk b/keyboards/angel64/rules.mk
index e5aaef9cb0..0fb1829f14 100644
--- a/keyboards/angel64/rules.mk
+++ b/keyboards/angel64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/aos/tkl/rules.mk b/keyboards/aos/tkl/rules.mk
index cecbc38969..c3f5cbb9c8 100644
--- a/keyboards/aos/tkl/rules.mk
+++ b/keyboards/aos/tkl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/aplyard/aplx6/rev1/rules.mk b/keyboards/aplyard/aplx6/rev1/rules.mk
index 19db5e93d0..3505b14925 100644
--- a/keyboards/aplyard/aplx6/rev1/rules.mk
+++ b/keyboards/aplyard/aplx6/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/arabica37/rev1/rules.mk b/keyboards/arabica37/rev1/rules.mk
index 2fcce7f3b5..d7bcf149e3 100644
--- a/keyboards/arabica37/rev1/rules.mk
+++ b/keyboards/arabica37/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ash1800/rules.mk b/keyboards/ash1800/rules.mk
index 0a0c18a08c..8e8d10a341 100644
--- a/keyboards/ash1800/rules.mk
+++ b/keyboards/ash1800/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ashpil/modelm_usbc/rules.mk b/keyboards/ashpil/modelm_usbc/rules.mk
index 4ea75ce5b5..da33d481cf 100644
--- a/keyboards/ashpil/modelm_usbc/rules.mk
+++ b/keyboards/ashpil/modelm_usbc/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/at101_bh/rules.mk b/keyboards/at101_bh/rules.mk
index dc6e8143e1..3d435af453 100644
--- a/keyboards/at101_bh/rules.mk
+++ b/keyboards/at101_bh/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/atreus/astar/rules.mk b/keyboards/atreus/astar/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/atreus/astar/rules.mk
+++ b/keyboards/atreus/astar/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/atreus/astar_mirrored/rules.mk b/keyboards/atreus/astar_mirrored/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/atreus/astar_mirrored/rules.mk
+++ b/keyboards/atreus/astar_mirrored/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/atreus/feather/rules.mk b/keyboards/atreus/feather/rules.mk
index e40b103acb..35d7431539 100644
--- a/keyboards/atreus/feather/rules.mk
+++ b/keyboards/atreus/feather/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/atreus/promicro/rules.mk b/keyboards/atreus/promicro/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/atreus/promicro/rules.mk
+++ b/keyboards/atreus/promicro/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/atreus/teensy2/rules.mk b/keyboards/atreus/teensy2/rules.mk
index ae398e2588..320633f80f 100644
--- a/keyboards/atreus/teensy2/rules.mk
+++ b/keyboards/atreus/teensy2/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
diff --git a/keyboards/atreus62/rules.mk b/keyboards/atreus62/rules.mk
index 5ca2da0312..7ed0e63685 100644
--- a/keyboards/atreus62/rules.mk
+++ b/keyboards/atreus62/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/atxkb/1894/rules.mk b/keyboards/atxkb/1894/rules.mk
index 8cddc866bd..cebc72694b 100644
--- a/keyboards/atxkb/1894/rules.mk
+++ b/keyboards/atxkb/1894/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/baguette/rules.mk b/keyboards/baguette/rules.mk
index 316dce7bcc..bca9b94c3a 100644
--- a/keyboards/baguette/rules.mk
+++ b/keyboards/baguette/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bakeneko80/rules.mk b/keyboards/bakeneko80/rules.mk
index b5d7a73008..da99b2a8f7 100644
--- a/keyboards/bakeneko80/rules.mk
+++ b/keyboards/bakeneko80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bantam44/rules.mk b/keyboards/bantam44/rules.mk
index ab333488a7..0219b88fe8 100644
--- a/keyboards/bantam44/rules.mk
+++ b/keyboards/bantam44/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/basekeys/slice/rev1/rules.mk b/keyboards/basekeys/slice/rev1/rules.mk
index 7dbe9cc989..351899fa11 100644
--- a/keyboards/basekeys/slice/rev1/rules.mk
+++ b/keyboards/basekeys/slice/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# this is split keyboard.
diff --git a/keyboards/basekeys/slice/rev1_rgb/rules.mk b/keyboards/basekeys/slice/rev1_rgb/rules.mk
index 2b89823849..4e78d68216 100644
--- a/keyboards/basekeys/slice/rev1_rgb/rules.mk
+++ b/keyboards/basekeys/slice/rev1_rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# this is split keyboard.
diff --git a/keyboards/bat43/rules.mk b/keyboards/bat43/rules.mk
index e2082d2241..d056061a58 100644
--- a/keyboards/bat43/rules.mk
+++ b/keyboards/bat43/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/bfake/rules.mk b/keyboards/bfake/rules.mk
index 8b4ecb5aea..e2d035abbc 100644
--- a/keyboards/bfake/rules.mk
+++ b/keyboards/bfake/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/bigseries/1key/rules.mk b/keyboards/bigseries/1key/rules.mk
index 2957feb558..2a2fd181f1 100755
--- a/keyboards/bigseries/1key/rules.mk
+++ b/keyboards/bigseries/1key/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bigseries/2key/rules.mk b/keyboards/bigseries/2key/rules.mk
index 2957feb558..2a2fd181f1 100755
--- a/keyboards/bigseries/2key/rules.mk
+++ b/keyboards/bigseries/2key/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bigseries/3key/rules.mk b/keyboards/bigseries/3key/rules.mk
index 2957feb558..2a2fd181f1 100755
--- a/keyboards/bigseries/3key/rules.mk
+++ b/keyboards/bigseries/3key/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bigseries/4key/rules.mk b/keyboards/bigseries/4key/rules.mk
index 2957feb558..2a2fd181f1 100755
--- a/keyboards/bigseries/4key/rules.mk
+++ b/keyboards/bigseries/4key/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bioi/g60ble/rules.mk b/keyboards/bioi/g60ble/rules.mk
index cb577434cd..6b17e337a1 100644
--- a/keyboards/bioi/g60ble/rules.mk
+++ b/keyboards/bioi/g60ble/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/blackplum/rules.mk b/keyboards/blackplum/rules.mk
index cef551c0ff..b969665f4e 100644
--- a/keyboards/blackplum/rules.mk
+++ b/keyboards/blackplum/rules.mk
@@ -2,12 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/blockey/rules.mk b/keyboards/blockey/rules.mk
index 7a27e26b71..5faee167e2 100644
--- a/keyboards/blockey/rules.mk
+++ b/keyboards/blockey/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/boardsource/3x4/rules.mk b/keyboards/boardsource/3x4/rules.mk
index 69987ba49d..94c4209841 100644
--- a/keyboards/boardsource/3x4/rules.mk
+++ b/keyboards/boardsource/3x4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/boardsource/4x12/rules.mk b/keyboards/boardsource/4x12/rules.mk
index 42a4bba7c5..08b814342e 100644
--- a/keyboards/boardsource/4x12/rules.mk
+++ b/keyboards/boardsource/4x12/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/boardsource/5x12/rules.mk b/keyboards/boardsource/5x12/rules.mk
index 8dc8fe1cca..d62c918168 100644
--- a/keyboards/boardsource/5x12/rules.mk
+++ b/keyboards/boardsource/5x12/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/boardwalk/rules.mk b/keyboards/boardwalk/rules.mk
index f861731c23..270f07ff9e 100644
--- a/keyboards/boardwalk/rules.mk
+++ b/keyboards/boardwalk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# QMK Build Options
diff --git a/keyboards/botanicalkeyboards/fm2u/rules.mk b/keyboards/botanicalkeyboards/fm2u/rules.mk
index 7b528f558f..190f1f3b49 100644
--- a/keyboards/botanicalkeyboards/fm2u/rules.mk
+++ b/keyboards/botanicalkeyboards/fm2u/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bpiphany/frosty_flake/rules.mk b/keyboards/bpiphany/frosty_flake/rules.mk
index 05aa3dcc74..ab8bc8ac9a 100644
--- a/keyboards/bpiphany/frosty_flake/rules.mk
+++ b/keyboards/bpiphany/frosty_flake/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bpiphany/kitten_paw/rules.mk b/keyboards/bpiphany/kitten_paw/rules.mk
index 9fe5e488fb..caab5b5ffe 100644
--- a/keyboards/bpiphany/kitten_paw/rules.mk
+++ b/keyboards/bpiphany/kitten_paw/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bpiphany/pegasushoof/rules.mk b/keyboards/bpiphany/pegasushoof/rules.mk
index 4dd5a8908e..db6d85f75a 100644
--- a/keyboards/bpiphany/pegasushoof/rules.mk
+++ b/keyboards/bpiphany/pegasushoof/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bpiphany/sixshooter/rules.mk b/keyboards/bpiphany/sixshooter/rules.mk
index 10d7086bb5..96d87d728f 100644
--- a/keyboards/bpiphany/sixshooter/rules.mk
+++ b/keyboards/bpiphany/sixshooter/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/bpiphany/tiger_lily/rules.mk b/keyboards/bpiphany/tiger_lily/rules.mk
index 9fe5e488fb..caab5b5ffe 100644
--- a/keyboards/bpiphany/tiger_lily/rules.mk
+++ b/keyboards/bpiphany/tiger_lily/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bpiphany/unloved_bastard/rules.mk b/keyboards/bpiphany/unloved_bastard/rules.mk
index fbe74c6449..c4ed9e2850 100644
--- a/keyboards/bpiphany/unloved_bastard/rules.mk
+++ b/keyboards/bpiphany/unloved_bastard/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/bthlabs/geekpad/rules.mk b/keyboards/bthlabs/geekpad/rules.mk
index 5555eede6a..7fdd71fec7 100644
--- a/keyboards/bthlabs/geekpad/rules.mk
+++ b/keyboards/bthlabs/geekpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/business_card/alpha/rules.mk b/keyboards/business_card/alpha/rules.mk
index 288fa6a8d2..7a2558ac62 100644
--- a/keyboards/business_card/alpha/rules.mk
+++ b/keyboards/business_card/alpha/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/business_card/beta/rules.mk b/keyboards/business_card/beta/rules.mk
index 288fa6a8d2..7a2558ac62 100644
--- a/keyboards/business_card/beta/rules.mk
+++ b/keyboards/business_card/beta/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/business_card/rules.mk b/keyboards/business_card/rules.mk
index 7bbfbf221e..c616896e4c 100644
--- a/keyboards/business_card/rules.mk
+++ b/keyboards/business_card/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/butterstick/rules.mk b/keyboards/butterstick/rules.mk
index b73ed405ad..c0d463c2df 100644
--- a/keyboards/butterstick/rules.mk
+++ b/keyboards/butterstick/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
MOUSEKEY_ENABLE = yes # Mouse keys
diff --git a/keyboards/c39/rules.mk b/keyboards/c39/rules.mk
index daecfb2f7a..0cdaa3e2ce 100755
--- a/keyboards/c39/rules.mk
+++ b/keyboards/c39/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/cannonkeys/atlas/rules.mk b/keyboards/cannonkeys/atlas/rules.mk
index 5f1bbe8859..ee32cf30bd 100644
--- a/keyboards/cannonkeys/atlas/rules.mk
+++ b/keyboards/cannonkeys/atlas/rules.mk
@@ -1,4 +1,4 @@
-# MCU Name
+# MCU name
MCU = STM32F072
# Bootloader selection
diff --git a/keyboards/capsunlocked/cu65/rules.mk b/keyboards/capsunlocked/cu65/rules.mk
index d1d5e6267b..c09576738e 100644
--- a/keyboards/capsunlocked/cu65/rules.mk
+++ b/keyboards/capsunlocked/cu65/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
+# Bootloader selection
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/capsunlocked/cu7/rules.mk b/keyboards/capsunlocked/cu7/rules.mk
index 61a4cb8c4f..2863e7f537 100644
--- a/keyboards/capsunlocked/cu7/rules.mk
+++ b/keyboards/capsunlocked/cu7/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
+# Bootloader selection
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/catch22/rules.mk b/keyboards/catch22/rules.mk
index 7ca07d007e..e9f6cff127 100644
--- a/keyboards/catch22/rules.mk
+++ b/keyboards/catch22/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/centromere/keymaps/default_u2/rules.mk b/keyboards/centromere/keymaps/default_u2/rules.mk
index 5fdb02af5a..6ab81f6b12 100644
--- a/keyboards/centromere/keymaps/default_u2/rules.mk
+++ b/keyboards/centromere/keymaps/default_u2/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
diff --git a/keyboards/centromere/rules.mk b/keyboards/centromere/rules.mk
index bdf945b0e2..89fc3c607c 100644
--- a/keyboards/centromere/rules.mk
+++ b/keyboards/centromere/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/chidori/rules.mk b/keyboards/chidori/rules.mk
index f09bede130..63227aafa8 100644
--- a/keyboards/chidori/rules.mk
+++ b/keyboards/chidori/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/chili/rules.mk b/keyboards/chili/rules.mk
index c889438dfb..505a40ba1d 100644
--- a/keyboards/chili/rules.mk
+++ b/keyboards/chili/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/chimera_ergo/rules.mk b/keyboards/chimera_ergo/rules.mk
index 7d69575ef8..441d0d09ca 100644
--- a/keyboards/chimera_ergo/rules.mk
+++ b/keyboards/chimera_ergo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/chimera_ls/rules.mk b/keyboards/chimera_ls/rules.mk
index bc2c3099e8..4ffab53a7e 100644
--- a/keyboards/chimera_ls/rules.mk
+++ b/keyboards/chimera_ls/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/chimera_ortho/rules.mk b/keyboards/chimera_ortho/rules.mk
index dadb15fb68..c2ef78562e 100644
--- a/keyboards/chimera_ortho/rules.mk
+++ b/keyboards/chimera_ortho/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/chimera_ortho_plus/rules.mk b/keyboards/chimera_ortho_plus/rules.mk
index 32042b4b59..2424272205 100644
--- a/keyboards/chimera_ortho_plus/rules.mk
+++ b/keyboards/chimera_ortho_plus/rules.mk
@@ -1,14 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
+# Bootloader selection
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/choc_taro/rules.mk b/keyboards/choc_taro/rules.mk
index 48f42de496..9afd6f51cb 100644
--- a/keyboards/choc_taro/rules.mk
+++ b/keyboards/choc_taro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/christmas_tree/rules.mk b/keyboards/christmas_tree/rules.mk
index dfb837e893..4d3400deca 100644
--- a/keyboards/christmas_tree/rules.mk
+++ b/keyboards/christmas_tree/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ckeys/nakey/rules.mk b/keyboards/ckeys/nakey/rules.mk
index 5e88087b1a..a1a2a0087d 100644
--- a/keyboards/ckeys/nakey/rules.mk
+++ b/keyboards/ckeys/nakey/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/ckeys/obelus/rules.mk b/keyboards/ckeys/obelus/rules.mk
index 134248c30a..add1f2add3 100644
--- a/keyboards/ckeys/obelus/rules.mk
+++ b/keyboards/ckeys/obelus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ckeys/washington/rules.mk b/keyboards/ckeys/washington/rules.mk
index d75947c878..e7fc056bd1 100644
--- a/keyboards/ckeys/washington/rules.mk
+++ b/keyboards/ckeys/washington/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/claw44/rules.mk b/keyboards/claw44/rules.mk
index 1cb730182a..d811521595 100644
--- a/keyboards/claw44/rules.mk
+++ b/keyboards/claw44/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/clawsome/bookerboard/rules.mk b/keyboards/clawsome/bookerboard/rules.mk
index 5ead4f7639..bf89504ceb 100644
--- a/keyboards/clawsome/bookerboard/rules.mk
+++ b/keyboards/clawsome/bookerboard/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/cocoa40/rules.mk b/keyboards/cocoa40/rules.mk
index fafb0d5735..a4f430c8f4 100644
--- a/keyboards/cocoa40/rules.mk
+++ b/keyboards/cocoa40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/comet46/rules.mk b/keyboards/comet46/rules.mk
index 128a74e45f..4fecf96866 100644
--- a/keyboards/comet46/rules.mk
+++ b/keyboards/comet46/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/contra/rules.mk b/keyboards/contra/rules.mk
index a2feb720b7..2900d0ea6c 100755
--- a/keyboards/contra/rules.mk
+++ b/keyboards/contra/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/converter/adb_usb/rules.mk b/keyboards/converter/adb_usb/rules.mk
index e7bfb3f2f6..56967770b3 100644
--- a/keyboards/converter/adb_usb/rules.mk
+++ b/keyboards/converter/adb_usb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/converter/hp_46010a/rules.mk b/keyboards/converter/hp_46010a/rules.mk
index 5d8379aea4..edcea3b22d 100644
--- a/keyboards/converter/hp_46010a/rules.mk
+++ b/keyboards/converter/hp_46010a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/converter/ibm_terminal/rules.mk b/keyboards/converter/ibm_terminal/rules.mk
index f2fc3c9c83..8f15d65c2a 100644
--- a/keyboards/converter/ibm_terminal/rules.mk
+++ b/keyboards/converter/ibm_terminal/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/converter/m0110_usb/rules.mk b/keyboards/converter/m0110_usb/rules.mk
index a89400d08b..f59530ce46 100644
--- a/keyboards/converter/m0110_usb/rules.mk
+++ b/keyboards/converter/m0110_usb/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/converter/modelm101/rules.mk b/keyboards/converter/modelm101/rules.mk
index 84090086d7..a90aa20fd9 100644
--- a/keyboards/converter/modelm101/rules.mk
+++ b/keyboards/converter/modelm101/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/converter/numeric_keypad_IIe/rules.mk b/keyboards/converter/numeric_keypad_IIe/rules.mk
index a684ff876a..8c574d9960 100644
--- a/keyboards/converter/numeric_keypad_IIe/rules.mk
+++ b/keyboards/converter/numeric_keypad_IIe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/converter/palm_usb/rules.mk b/keyboards/converter/palm_usb/rules.mk
index de70a45c0e..ff1ddc8f49 100644
--- a/keyboards/converter/palm_usb/rules.mk
+++ b/keyboards/converter/palm_usb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/converter/sun_usb/rules.mk b/keyboards/converter/sun_usb/rules.mk
index 8e7e3514cf..e863d25745 100644
--- a/keyboards/converter/sun_usb/rules.mk
+++ b/keyboards/converter/sun_usb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = lufa-dfu
# Build Options
diff --git a/keyboards/converter/usb_usb/rules.mk b/keyboards/converter/usb_usb/rules.mk
index 9a39ef7dac..ea7224d534 100644
--- a/keyboards/converter/usb_usb/rules.mk
+++ b/keyboards/converter/usb_usb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/copenhagen_click/click_pad_v1/rules.mk b/keyboards/copenhagen_click/click_pad_v1/rules.mk
index 65e75d14c7..2953445a54 100755
--- a/keyboards/copenhagen_click/click_pad_v1/rules.mk
+++ b/keyboards/copenhagen_click/click_pad_v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/coseyfannitutti/discipad/rules.mk b/keyboards/coseyfannitutti/discipad/rules.mk
index f7985448d4..d2998c290d 100644
--- a/keyboards/coseyfannitutti/discipad/rules.mk
+++ b/keyboards/coseyfannitutti/discipad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/coseyfannitutti/discipline/rules.mk b/keyboards/coseyfannitutti/discipline/rules.mk
index 91228adfeb..dedd2c8418 100644
--- a/keyboards/coseyfannitutti/discipline/rules.mk
+++ b/keyboards/coseyfannitutti/discipline/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32a
F_CPU = 16000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/coseyfannitutti/mullet/rules.mk b/keyboards/coseyfannitutti/mullet/rules.mk
index 7ae4a35f4f..b614f8fe1e 100644
--- a/keyboards/coseyfannitutti/mullet/rules.mk
+++ b/keyboards/coseyfannitutti/mullet/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/coseyfannitutti/mulletpad/rules.mk b/keyboards/coseyfannitutti/mulletpad/rules.mk
index d5b87e9c16..b74d104e9f 100644
--- a/keyboards/coseyfannitutti/mulletpad/rules.mk
+++ b/keyboards/coseyfannitutti/mulletpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/coseyfannitutti/mysterium/rules.mk b/keyboards/coseyfannitutti/mysterium/rules.mk
index 69714fb892..c60044be3c 100644
--- a/keyboards/coseyfannitutti/mysterium/rules.mk
+++ b/keyboards/coseyfannitutti/mysterium/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32a
F_CPU = 16000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/coseyfannitutti/romeo/rules.mk b/keyboards/coseyfannitutti/romeo/rules.mk
index d8018fa312..a338ecb232 100644
--- a/keyboards/coseyfannitutti/romeo/rules.mk
+++ b/keyboards/coseyfannitutti/romeo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/crawlpad/rules.mk b/keyboards/crawlpad/rules.mk
index 8fd8b37e71..9e36e965f4 100755
--- a/keyboards/crawlpad/rules.mk
+++ b/keyboards/crawlpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/cu24/rules.mk b/keyboards/cu24/rules.mk
index 744d854299..8c1dcdd5e6 100644
--- a/keyboards/cu24/rules.mk
+++ b/keyboards/cu24/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/cu75/rules.mk b/keyboards/cu75/rules.mk
index 1eb9cf8f76..6274267ab1 100644
--- a/keyboards/cu75/rules.mk
+++ b/keyboards/cu75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/cu80/rules.mk b/keyboards/cu80/rules.mk
index 3ea5d6bf85..727b654475 100644
--- a/keyboards/cu80/rules.mk
+++ b/keyboards/cu80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/cutie_club/wraith/rules.mk b/keyboards/cutie_club/wraith/rules.mk
index f226d52741..1e9a932484 100644
--- a/keyboards/cutie_club/wraith/rules.mk
+++ b/keyboards/cutie_club/wraith/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/db/db63/rules.mk b/keyboards/db/db63/rules.mk
index b5853beabe..fa79d9e817 100644
--- a/keyboards/db/db63/rules.mk
+++ b/keyboards/db/db63/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/dc01/arrow/rules.mk b/keyboards/dc01/arrow/rules.mk
index 9565f5c726..57b45bf200 100644
--- a/keyboards/dc01/arrow/rules.mk
+++ b/keyboards/dc01/arrow/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dc01/left/rules.mk b/keyboards/dc01/left/rules.mk
index 0c5fabb1c3..72f27268bd 100644
--- a/keyboards/dc01/left/rules.mk
+++ b/keyboards/dc01/left/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dc01/numpad/rules.mk b/keyboards/dc01/numpad/rules.mk
index a693b0bdd1..f66826a650 100644
--- a/keyboards/dc01/numpad/rules.mk
+++ b/keyboards/dc01/numpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dc01/right/rules.mk b/keyboards/dc01/right/rules.mk
index 9565f5c726..57b45bf200 100644
--- a/keyboards/dc01/right/rules.mk
+++ b/keyboards/dc01/right/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/deltasplit75/rules.mk b/keyboards/deltasplit75/rules.mk
index 34079ee3ee..fb332ebdbb 100644
--- a/keyboards/deltasplit75/rules.mk
+++ b/keyboards/deltasplit75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/dichotomy/rules.mk b/keyboards/dichotomy/rules.mk
index 97389e9c66..bda904cb41 100755
--- a/keyboards/dichotomy/rules.mk
+++ b/keyboards/dichotomy/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/diverge3/rules.mk b/keyboards/diverge3/rules.mk
index 1e5a388fe4..426406c870 100644
--- a/keyboards/diverge3/rules.mk
+++ b/keyboards/diverge3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/divergetm2/rules.mk b/keyboards/divergetm2/rules.mk
index 4f5f40145b..65c2f528d5 100644
--- a/keyboards/divergetm2/rules.mk
+++ b/keyboards/divergetm2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/dm9records/ergoinu/rules.mk b/keyboards/dm9records/ergoinu/rules.mk
index 8dcfeaf4f9..e3362ea313 100644
--- a/keyboards/dm9records/ergoinu/rules.mk
+++ b/keyboards/dm9records/ergoinu/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/dm9records/plaid/rules.mk b/keyboards/dm9records/plaid/rules.mk
index 474e627d69..5488a22295 100644
--- a/keyboards/dm9records/plaid/rules.mk
+++ b/keyboards/dm9records/plaid/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/dm9records/tartan/rules.mk b/keyboards/dm9records/tartan/rules.mk
index 78ac49c539..b6ad055651 100644
--- a/keyboards/dm9records/tartan/rules.mk
+++ b/keyboards/dm9records/tartan/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/dmqdesign/spin/rules.mk b/keyboards/dmqdesign/spin/rules.mk
index d5a4923c58..d62b1ce732 100644
--- a/keyboards/dmqdesign/spin/rules.mk
+++ b/keyboards/dmqdesign/spin/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/do60/rules.mk b/keyboards/do60/rules.mk
index ea4d60ba20..2e1318b5c7 100644
--- a/keyboards/do60/rules.mk
+++ b/keyboards/do60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/donutcables/budget96/rules.mk b/keyboards/donutcables/budget96/rules.mk
index b5853beabe..fa79d9e817 100644
--- a/keyboards/donutcables/budget96/rules.mk
+++ b/keyboards/donutcables/budget96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/doppelganger/rules.mk b/keyboards/doppelganger/rules.mk
index 9318496029..b1cc36ab31 100644
--- a/keyboards/doppelganger/rules.mk
+++ b/keyboards/doppelganger/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/doro67/multi/rules.mk b/keyboards/doro67/multi/rules.mk
index 3310064e13..86f96d0060 100644
--- a/keyboards/doro67/multi/rules.mk
+++ b/keyboards/doro67/multi/rules.mk
@@ -1,13 +1,7 @@
+# MCU name
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/doro67/regular/rules.mk b/keyboards/doro67/regular/rules.mk
index 4ade2b2b90..f174cc1f5a 100644
--- a/keyboards/doro67/regular/rules.mk
+++ b/keyboards/doro67/regular/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/doro67/rgb/rules.mk b/keyboards/doro67/rgb/rules.mk
index bba7114da3..fb126a180d 100644
--- a/keyboards/doro67/rgb/rules.mk
+++ b/keyboards/doro67/rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dozen0/rules.mk b/keyboards/dozen0/rules.mk
index 2d03ab3945..68ba3318b0 100644
--- a/keyboards/dozen0/rules.mk
+++ b/keyboards/dozen0/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/dp60/rules.mk b/keyboards/dp60/rules.mk
index d1164b6eac..faf77e45d7 100644
--- a/keyboards/dp60/rules.mk
+++ b/keyboards/dp60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/jetfire/rules.mk b/keyboards/duck/jetfire/rules.mk
index 8fc9893312..3c07e432d0 100644
--- a/keyboards/duck/jetfire/rules.mk
+++ b/keyboards/duck/jetfire/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/lightsaver/rules.mk b/keyboards/duck/lightsaver/rules.mk
index db7cf818e4..2229b1c804 100644
--- a/keyboards/duck/lightsaver/rules.mk
+++ b/keyboards/duck/lightsaver/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/octagon/v1/rules.mk b/keyboards/duck/octagon/v1/rules.mk
index c495273902..826781612b 100644
--- a/keyboards/duck/octagon/v1/rules.mk
+++ b/keyboards/duck/octagon/v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/octagon/v2/rules.mk b/keyboards/duck/octagon/v2/rules.mk
index ee17ab998c..68b67403e5 100644
--- a/keyboards/duck/octagon/v2/rules.mk
+++ b/keyboards/duck/octagon/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/orion/v3/rules.mk b/keyboards/duck/orion/v3/rules.mk
index 1ccf955ec5..60ee6fe7cd 100644
--- a/keyboards/duck/orion/v3/rules.mk
+++ b/keyboards/duck/orion/v3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/duck/tcv3/rules.mk b/keyboards/duck/tcv3/rules.mk
index e342b1fbb2..14823d9d48 100644
--- a/keyboards/duck/tcv3/rules.mk
+++ b/keyboards/duck/tcv3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dztech/dz60rgb/v2/rules.mk b/keyboards/dztech/dz60rgb/v2/rules.mk
index abad180c8b..a655bb3349 100644
--- a/keyboards/dztech/dz60rgb/v2/rules.mk
+++ b/keyboards/dztech/dz60rgb/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dztech/dz60rgb_ansi/v2/rules.mk b/keyboards/dztech/dz60rgb_ansi/v2/rules.mk
index abad180c8b..a655bb3349 100644
--- a/keyboards/dztech/dz60rgb_ansi/v2/rules.mk
+++ b/keyboards/dztech/dz60rgb_ansi/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dztech/dz60rgb_wkl/v2/rules.mk b/keyboards/dztech/dz60rgb_wkl/v2/rules.mk
index 34288e102a..c87f6ffc6f 100644
--- a/keyboards/dztech/dz60rgb_wkl/v2/rules.mk
+++ b/keyboards/dztech/dz60rgb_wkl/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/dztech/dz65rgb/v2/rules.mk b/keyboards/dztech/dz65rgb/v2/rules.mk
index 5d4f3a8946..149a7a7957 100644
--- a/keyboards/dztech/dz65rgb/v2/rules.mk
+++ b/keyboards/dztech/dz65rgb/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/eco/rules.mk b/keyboards/eco/rules.mk
index 8629910b71..f41eaa1826 100644
--- a/keyboards/eco/rules.mk
+++ b/keyboards/eco/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/emi20/rules.mk b/keyboards/emi20/rules.mk
index 2f690df8cf..1ed4217ae6 100644
--- a/keyboards/emi20/rules.mk
+++ b/keyboards/emi20/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader Selection
+# Bootloader selection
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/emptystring/NQG/rules.mk b/keyboards/emptystring/NQG/rules.mk
index ab274deb8e..b6a321e7c1 100644
--- a/keyboards/emptystring/NQG/rules.mk
+++ b/keyboards/emptystring/NQG/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/eniigmakeyboards/ek87/rules.mk b/keyboards/eniigmakeyboards/ek87/rules.mk
index 1dc37611d1..55f9375f20 100644
--- a/keyboards/eniigmakeyboards/ek87/rules.mk
+++ b/keyboards/eniigmakeyboards/ek87/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ep/40/rules.mk b/keyboards/ep/40/rules.mk
index 34e2adb724..916426c6d7 100644
--- a/keyboards/ep/40/rules.mk
+++ b/keyboards/ep/40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ep/96/rules.mk b/keyboards/ep/96/rules.mk
index 34e2adb724..916426c6d7 100644
--- a/keyboards/ep/96/rules.mk
+++ b/keyboards/ep/96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ep/comsn/hs68/rules.mk b/keyboards/ep/comsn/hs68/rules.mk
index e7b73f7f93..40c0c1b9da 100644
--- a/keyboards/ep/comsn/hs68/rules.mk
+++ b/keyboards/ep/comsn/hs68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ep/comsn/mollydooker/rules.mk b/keyboards/ep/comsn/mollydooker/rules.mk
index 1b88e3a50c..87ebb203d9 100644
--- a/keyboards/ep/comsn/mollydooker/rules.mk
+++ b/keyboards/ep/comsn/mollydooker/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ep/comsn/tf_longeboye/rules.mk b/keyboards/ep/comsn/tf_longeboye/rules.mk
index fc6b297de6..63b9285dae 100644
--- a/keyboards/ep/comsn/tf_longeboye/rules.mk
+++ b/keyboards/ep/comsn/tf_longeboye/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ergo42/rules.mk b/keyboards/ergo42/rules.mk
index 4aabe7e989..5dfdfc34cd 100644
--- a/keyboards/ergo42/rules.mk
+++ b/keyboards/ergo42/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ergodash/rules.mk b/keyboards/ergodash/rules.mk
index 2019dd1dbe..79e4bf7827 100644
--- a/keyboards/ergodash/rules.mk
+++ b/keyboards/ergodash/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ergosaurus/rules.mk b/keyboards/ergosaurus/rules.mk
index 0e849ee69e..13102cd4cd 100644
--- a/keyboards/ergosaurus/rules.mk
+++ b/keyboards/ergosaurus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ergoslab/rules.mk b/keyboards/ergoslab/rules.mk
index 87da2f0e36..d0974627a2 100644
--- a/keyboards/ergoslab/rules.mk
+++ b/keyboards/ergoslab/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ergotaco/rules.mk b/keyboards/ergotaco/rules.mk
index cd8ebc58f0..9fe0992ffd 100644
--- a/keyboards/ergotaco/rules.mk
+++ b/keyboards/ergotaco/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
CUSTOM_MATRIX = yes
diff --git a/keyboards/ericrlau/numdiscipline/rev1/rules.mk b/keyboards/ericrlau/numdiscipline/rev1/rules.mk
index 639af4453d..e3eb4ee6a0 100644
--- a/keyboards/ericrlau/numdiscipline/rev1/rules.mk
+++ b/keyboards/ericrlau/numdiscipline/rev1/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32a
F_CPU = 16000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/espectro/rules.mk b/keyboards/espectro/rules.mk
index c289fa81bc..b1ba21f36e 100755
--- a/keyboards/espectro/rules.mk
+++ b/keyboards/espectro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/eve/meteor/rules.mk b/keyboards/eve/meteor/rules.mk
index 8da7f421e8..a6b468d7ca 100644
--- a/keyboards/eve/meteor/rules.mk
+++ b/keyboards/eve/meteor/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/evil80/rules.mk b/keyboards/evil80/rules.mk
index 5f7f8c42ae..93cfa435f1 100644
--- a/keyboards/evil80/rules.mk
+++ b/keyboards/evil80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/evyd13/eon40/rules.mk b/keyboards/evyd13/eon40/rules.mk
index 16eebea6c7..af3b47452e 100644
--- a/keyboards/evyd13/eon40/rules.mk
+++ b/keyboards/evyd13/eon40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/eon65/rules.mk b/keyboards/evyd13/eon65/rules.mk
index ba02b99d8a..a59748faed 100644
--- a/keyboards/evyd13/eon65/rules.mk
+++ b/keyboards/evyd13/eon65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/evyd13/eon75/rules.mk b/keyboards/evyd13/eon75/rules.mk
index 035a67207a..9a2d4b9365 100644
--- a/keyboards/evyd13/eon75/rules.mk
+++ b/keyboards/evyd13/eon75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/evyd13/eon87/rules.mk b/keyboards/evyd13/eon87/rules.mk
index be9aff456d..5b02a22587 100644
--- a/keyboards/evyd13/eon87/rules.mk
+++ b/keyboards/evyd13/eon87/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/eon95/rules.mk b/keyboards/evyd13/eon95/rules.mk
index 035a67207a..9a2d4b9365 100644
--- a/keyboards/evyd13/eon95/rules.mk
+++ b/keyboards/evyd13/eon95/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/evyd13/minitomic/rules.mk b/keyboards/evyd13/minitomic/rules.mk
index 772a65f920..56626369eb 100644
--- a/keyboards/evyd13/minitomic/rules.mk
+++ b/keyboards/evyd13/minitomic/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/mx5160/rules.mk b/keyboards/evyd13/mx5160/rules.mk
index b29be96e00..1c1386707b 100644
--- a/keyboards/evyd13/mx5160/rules.mk
+++ b/keyboards/evyd13/mx5160/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/nt660/rules.mk b/keyboards/evyd13/nt660/rules.mk
index e6cab965f0..128c702d0d 100644
--- a/keyboards/evyd13/nt660/rules.mk
+++ b/keyboards/evyd13/nt660/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/omrontkl/rules.mk b/keyboards/evyd13/omrontkl/rules.mk
index 9c46539f14..23377c4706 100644
--- a/keyboards/evyd13/omrontkl/rules.mk
+++ b/keyboards/evyd13/omrontkl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/plain60/rules.mk b/keyboards/evyd13/plain60/rules.mk
index 8f9b59aad4..2fd37905d6 100644
--- a/keyboards/evyd13/plain60/rules.mk
+++ b/keyboards/evyd13/plain60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/pockettype/rules.mk b/keyboards/evyd13/pockettype/rules.mk
index 7ef38e5d5d..104fab31b8 100644
--- a/keyboards/evyd13/pockettype/rules.mk
+++ b/keyboards/evyd13/pockettype/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/evyd13/ta65/rules.mk b/keyboards/evyd13/ta65/rules.mk
index c55aec7609..29e5873fe3 100644
--- a/keyboards/evyd13/ta65/rules.mk
+++ b/keyboards/evyd13/ta65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/wasdat/rules.mk b/keyboards/evyd13/wasdat/rules.mk
index ab0acf29a1..09a19ee4f6 100644
--- a/keyboards/evyd13/wasdat/rules.mk
+++ b/keyboards/evyd13/wasdat/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/wasdat_code/rules.mk b/keyboards/evyd13/wasdat_code/rules.mk
index 4dec8aafe5..89619612c6 100644
--- a/keyboards/evyd13/wasdat_code/rules.mk
+++ b/keyboards/evyd13/wasdat_code/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/evyd13/wonderland/rules.mk b/keyboards/evyd13/wonderland/rules.mk
index 54aad9e680..ae0f236427 100644
--- a/keyboards/evyd13/wonderland/rules.mk
+++ b/keyboards/evyd13/wonderland/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/exclusive/e65/rules.mk b/keyboards/exclusive/e65/rules.mk
index dd67320aa9..a69fbc2972 100644
--- a/keyboards/exclusive/e65/rules.mk
+++ b/keyboards/exclusive/e65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/exclusive/e6_rgb/rules.mk b/keyboards/exclusive/e6_rgb/rules.mk
index 6aecbc5ed6..f6c06829a9 100644
--- a/keyboards/exclusive/e6_rgb/rules.mk
+++ b/keyboards/exclusive/e6_rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/exclusive/e6v2/le/rules.mk b/keyboards/exclusive/e6v2/le/rules.mk
index ee499b5aae..4605aa9a5e 100644
--- a/keyboards/exclusive/e6v2/le/rules.mk
+++ b/keyboards/exclusive/e6v2/le/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/exclusive/e6v2/le_bmc/rules.mk b/keyboards/exclusive/e6v2/le_bmc/rules.mk
index 52242bd283..15895d289a 100644
--- a/keyboards/exclusive/e6v2/le_bmc/rules.mk
+++ b/keyboards/exclusive/e6v2/le_bmc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/exclusive/e6v2/oe/rules.mk b/keyboards/exclusive/e6v2/oe/rules.mk
index ee499b5aae..4605aa9a5e 100644
--- a/keyboards/exclusive/e6v2/oe/rules.mk
+++ b/keyboards/exclusive/e6v2/oe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/exclusive/e6v2/oe_bmc/rules.mk b/keyboards/exclusive/e6v2/oe_bmc/rules.mk
index 52242bd283..15895d289a 100644
--- a/keyboards/exclusive/e6v2/oe_bmc/rules.mk
+++ b/keyboards/exclusive/e6v2/oe_bmc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/exclusive/e7v1/rules.mk b/keyboards/exclusive/e7v1/rules.mk
index 7c32ee40e0..de98c36241 100644
--- a/keyboards/exclusive/e7v1/rules.mk
+++ b/keyboards/exclusive/e7v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/exclusive/e7v1se/rules.mk b/keyboards/exclusive/e7v1se/rules.mk
index 522ace70ad..34900670b0 100644
--- a/keyboards/exclusive/e7v1se/rules.mk
+++ b/keyboards/exclusive/e7v1se/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/facew/rules.mk b/keyboards/facew/rules.mk
index 9befb164ba..45b2004c5b 100644
--- a/keyboards/facew/rules.mk
+++ b/keyboards/facew/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/fc660c/rules.mk b/keyboards/fc660c/rules.mk
index fef4bae611..1b6187acb3 100644
--- a/keyboards/fc660c/rules.mk
+++ b/keyboards/fc660c/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/fc980c/rules.mk b/keyboards/fc980c/rules.mk
index fef4bae611..1b6187acb3 100644
--- a/keyboards/fc980c/rules.mk
+++ b/keyboards/fc980c/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/felix/rules.mk b/keyboards/felix/rules.mk
index 3d19506c1c..24b65da84b 100644
--- a/keyboards/felix/rules.mk
+++ b/keyboards/felix/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/flehrad/bigswitch/rules.mk b/keyboards/flehrad/bigswitch/rules.mk
index c83deb534f..0cd3f65d9c 100644
--- a/keyboards/flehrad/bigswitch/rules.mk
+++ b/keyboards/flehrad/bigswitch/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/flehrad/downbubble/rules.mk b/keyboards/flehrad/downbubble/rules.mk
index 0cf8738600..9e2b7f7185 100644
--- a/keyboards/flehrad/downbubble/rules.mk
+++ b/keyboards/flehrad/downbubble/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/flehrad/numbrero/rules.mk b/keyboards/flehrad/numbrero/rules.mk
index 064f1c640a..eb9af6ea88 100644
--- a/keyboards/flehrad/numbrero/rules.mk
+++ b/keyboards/flehrad/numbrero/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/flehrad/snagpad/rules.mk b/keyboards/flehrad/snagpad/rules.mk
index 22776bff73..56e951edac 100644
--- a/keyboards/flehrad/snagpad/rules.mk
+++ b/keyboards/flehrad/snagpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/fleuron/rules.mk b/keyboards/fleuron/rules.mk
index 8bb653974a..2580d20eb7 100644
--- a/keyboards/fleuron/rules.mk
+++ b/keyboards/fleuron/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/fluorite/rules.mk b/keyboards/fluorite/rules.mk
index d25d451e81..071a3ee0ec 100644
--- a/keyboards/fluorite/rules.mk
+++ b/keyboards/fluorite/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/flx/lodestone/rules.mk b/keyboards/flx/lodestone/rules.mk
index 6a85ebe3f8..4dd1a683f2 100644
--- a/keyboards/flx/lodestone/rules.mk
+++ b/keyboards/flx/lodestone/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/flx/virgo/rules.mk b/keyboards/flx/virgo/rules.mk
index 05e128b8b8..c7d167248c 100644
--- a/keyboards/flx/virgo/rules.mk
+++ b/keyboards/flx/virgo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/fortitude60/rules.mk b/keyboards/fortitude60/rules.mk
index b329e5082a..d4091ed454 100644
--- a/keyboards/fortitude60/rules.mk
+++ b/keyboards/fortitude60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/four_banger/rules.mk b/keyboards/four_banger/rules.mk
index eec3522db1..cd13b1bc52 100644
--- a/keyboards/four_banger/rules.mk
+++ b/keyboards/four_banger/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/foxlab/key65/hotswap/rules.mk b/keyboards/foxlab/key65/hotswap/rules.mk
index 6b05538248..ab6f3e1839 100644
--- a/keyboards/foxlab/key65/hotswap/rules.mk
+++ b/keyboards/foxlab/key65/hotswap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/foxlab/key65/universal/rules.mk b/keyboards/foxlab/key65/universal/rules.mk
index 10e49d61b3..129979e063 100644
--- a/keyboards/foxlab/key65/universal/rules.mk
+++ b/keyboards/foxlab/key65/universal/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/foxlab/leaf60/hotswap/rules.mk b/keyboards/foxlab/leaf60/hotswap/rules.mk
index 24143d65bf..24bd398aeb 100644
--- a/keyboards/foxlab/leaf60/hotswap/rules.mk
+++ b/keyboards/foxlab/leaf60/hotswap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/foxlab/leaf60/universal/rules.mk b/keyboards/foxlab/leaf60/universal/rules.mk
index 2d93acabe2..fe031633bd 100644
--- a/keyboards/foxlab/leaf60/universal/rules.mk
+++ b/keyboards/foxlab/leaf60/universal/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/fractal/rules.mk b/keyboards/fractal/rules.mk
index ce13d6855d..e03296f357 100755
--- a/keyboards/fractal/rules.mk
+++ b/keyboards/fractal/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ft/mars80/rules.mk b/keyboards/ft/mars80/rules.mk
index 794e907682..db49c58df6 100644
--- a/keyboards/ft/mars80/rules.mk
+++ b/keyboards/ft/mars80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/funky40/rules.mk b/keyboards/funky40/rules.mk
index 641b2c4bff..79052a307e 100644
--- a/keyboards/funky40/rules.mk
+++ b/keyboards/funky40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/gami_studio/lex60/rules.mk b/keyboards/gami_studio/lex60/rules.mk
index 618ef9486e..7b8d5ac120 100644
--- a/keyboards/gami_studio/lex60/rules.mk
+++ b/keyboards/gami_studio/lex60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/geekboards/tester/rules.mk b/keyboards/geekboards/tester/rules.mk
index 60488edf66..073e6a24f7 100644
--- a/keyboards/geekboards/tester/rules.mk
+++ b/keyboards/geekboards/tester/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/georgi/rules.mk b/keyboards/georgi/rules.mk
index 412a318f0c..0cf996ed48 100644
--- a/keyboards/georgi/rules.mk
+++ b/keyboards/georgi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
CUSTOM_MATRIX = yes
diff --git a/keyboards/gergo/rules.mk b/keyboards/gergo/rules.mk
index 6a1d073246..eee431f40a 100644
--- a/keyboards/gergo/rules.mk
+++ b/keyboards/gergo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
CUSTOM_MATRIX = yes
diff --git a/keyboards/getta25/rules.mk b/keyboards/getta25/rules.mk
index 05e4546308..7c0669212c 100644
--- a/keyboards/getta25/rules.mk
+++ b/keyboards/getta25/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/gh60/revc/rules.mk b/keyboards/gh60/revc/rules.mk
index 847fc39f11..f5194840b9 100644
--- a/keyboards/gh60/revc/rules.mk
+++ b/keyboards/gh60/revc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gh60/satan/rules.mk b/keyboards/gh60/satan/rules.mk
index 589a3af81c..8c1d9974d1 100644
--- a/keyboards/gh60/satan/rules.mk
+++ b/keyboards/gh60/satan/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gh80_3000/rules.mk b/keyboards/gh80_3000/rules.mk
index d5c67c72ca..395a753d19 100644
--- a/keyboards/gh80_3000/rules.mk
+++ b/keyboards/gh80_3000/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ghs/rar/rules.mk b/keyboards/ghs/rar/rules.mk
index 5910558a3e..bb7b12175c 100644
--- a/keyboards/ghs/rar/rules.mk
+++ b/keyboards/ghs/rar/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gingham/rules.mk b/keyboards/gingham/rules.mk
index 10230bd46f..412ad32832 100644
--- a/keyboards/gingham/rules.mk
+++ b/keyboards/gingham/rules.mk
@@ -5,13 +5,6 @@ SRC = matrix.c \
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/gon/nerdtkl/rules.mk b/keyboards/gon/nerdtkl/rules.mk
index 1ba1a92a6f..6abb371b82 100644
--- a/keyboards/gon/nerdtkl/rules.mk
+++ b/keyboards/gon/nerdtkl/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gowla/rules.mk b/keyboards/gowla/rules.mk
index f6960651dd..15093f7668 100644
--- a/keyboards/gowla/rules.mk
+++ b/keyboards/gowla/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/gray_studio/cod67/rules.mk b/keyboards/gray_studio/cod67/rules.mk
index d83a35b33c..da8e487f00 100644
--- a/keyboards/gray_studio/cod67/rules.mk
+++ b/keyboards/gray_studio/cod67/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = lufa-ms
# This board uses the older unsafe 6k version of lufa-ms
diff --git a/keyboards/gray_studio/hb85/rules.mk b/keyboards/gray_studio/hb85/rules.mk
index fe033da5e7..adc0c7c1b3 100644
--- a/keyboards/gray_studio/hb85/rules.mk
+++ b/keyboards/gray_studio/hb85/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/gray_studio/space65/rules.mk b/keyboards/gray_studio/space65/rules.mk
index fc1a8c720d..d667f65fbf 100644
--- a/keyboards/gray_studio/space65/rules.mk
+++ b/keyboards/gray_studio/space65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gray_studio/think65/hotswap/rules.mk b/keyboards/gray_studio/think65/hotswap/rules.mk
index 80af8f188f..1066a71ff1 100644
--- a/keyboards/gray_studio/think65/hotswap/rules.mk
+++ b/keyboards/gray_studio/think65/hotswap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gray_studio/think65/solder/rules.mk b/keyboards/gray_studio/think65/solder/rules.mk
index 80af8f188f..1066a71ff1 100644
--- a/keyboards/gray_studio/think65/solder/rules.mk
+++ b/keyboards/gray_studio/think65/solder/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/grid600/press/rules.mk b/keyboards/grid600/press/rules.mk
index 2cd2c256a0..9d85d7cc65 100644
--- a/keyboards/grid600/press/rules.mk
+++ b/keyboards/grid600/press/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/gskt00/rules.mk b/keyboards/gskt00/rules.mk
index 48258441ff..4e262e042f 100755
--- a/keyboards/gskt00/rules.mk
+++ b/keyboards/gskt00/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hadron/ver2/rules.mk b/keyboards/hadron/ver2/rules.mk
index 280145ed8b..173ef84ddb 100644
--- a/keyboards/hadron/ver2/rules.mk
+++ b/keyboards/hadron/ver2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/halberd/rules.mk b/keyboards/halberd/rules.mk
index 35b1a6d97b..56818f5b2f 100644
--- a/keyboards/halberd/rules.mk
+++ b/keyboards/halberd/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/108key_trackpoint/rules.mk b/keyboards/handwired/108key_trackpoint/rules.mk
index 8bd357d2c1..ff3e98d5d5 100644
--- a/keyboards/handwired/108key_trackpoint/rules.mk
+++ b/keyboards/handwired/108key_trackpoint/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/2x5keypad/rules.mk b/keyboards/handwired/2x5keypad/rules.mk
index 6e3f0e5872..6d0028f5f6 100644
--- a/keyboards/handwired/2x5keypad/rules.mk
+++ b/keyboards/handwired/2x5keypad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/handwired/412_64/rules.mk b/keyboards/handwired/412_64/rules.mk
index 0e94997413..248e2fedb9 100644
--- a/keyboards/handwired/412_64/rules.mk
+++ b/keyboards/handwired/412_64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/42/rules.mk b/keyboards/handwired/42/rules.mk
index 2664e648cc..a61114628f 100644
--- a/keyboards/handwired/42/rules.mk
+++ b/keyboards/handwired/42/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328p USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/aek64/rules.mk b/keyboards/handwired/aek64/rules.mk
index 2d6d3a121f..e03827cde2 100644
--- a/keyboards/handwired/aek64/rules.mk
+++ b/keyboards/handwired/aek64/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/aplx2/rules.mk b/keyboards/handwired/aplx2/rules.mk
index 9dce5675a6..43d9c83c1e 100644
--- a/keyboards/handwired/aplx2/rules.mk
+++ b/keyboards/handwired/aplx2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/aranck/rules.mk b/keyboards/handwired/aranck/rules.mk
index a08e59233f..a43f562129 100644
--- a/keyboards/handwired/aranck/rules.mk
+++ b/keyboards/handwired/aranck/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/arrow_pad/rules.mk b/keyboards/handwired/arrow_pad/rules.mk
index 155c0588b5..6da2eb0fe5 100644
--- a/keyboards/handwired/arrow_pad/rules.mk
+++ b/keyboards/handwired/arrow_pad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/atreus50/rules.mk b/keyboards/handwired/atreus50/rules.mk
index eec3a47601..b4f234bac4 100644
--- a/keyboards/handwired/atreus50/rules.mk
+++ b/keyboards/handwired/atreus50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/bdn9_ble/rules.mk b/keyboards/handwired/bdn9_ble/rules.mk
index f16a308d5a..c3518e6457 100644
--- a/keyboards/handwired/bdn9_ble/rules.mk
+++ b/keyboards/handwired/bdn9_ble/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/boss566y/redragon_vara/rules.mk b/keyboards/handwired/boss566y/redragon_vara/rules.mk
index f8434d623b..593ba2f19c 100644
--- a/keyboards/handwired/boss566y/redragon_vara/rules.mk
+++ b/keyboards/handwired/boss566y/redragon_vara/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/cans12er/rules.mk b/keyboards/handwired/cans12er/rules.mk
index 222b9d2614..668675ae50 100644
--- a/keyboards/handwired/cans12er/rules.mk
+++ b/keyboards/handwired/cans12er/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/chiron/rules.mk b/keyboards/handwired/chiron/rules.mk
index e65fb63ca2..76c5bfc89d 100644
--- a/keyboards/handwired/chiron/rules.mk
+++ b/keyboards/handwired/chiron/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/cmd60/rules.mk b/keyboards/handwired/cmd60/rules.mk
index 77f39e3ce8..5a55e085d9 100644
--- a/keyboards/handwired/cmd60/rules.mk
+++ b/keyboards/handwired/cmd60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/co60/rev1/rules.mk b/keyboards/handwired/co60/rev1/rules.mk
index df3b804f93..b3e0301105 100644
--- a/keyboards/handwired/co60/rev1/rules.mk
+++ b/keyboards/handwired/co60/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/colorlice/rules.mk b/keyboards/handwired/colorlice/rules.mk
index e75fe013a2..8b3064a0a8 100644
--- a/keyboards/handwired/colorlice/rules.mk
+++ b/keyboards/handwired/colorlice/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/dactyl/rules.mk b/keyboards/handwired/dactyl/rules.mk
index 7e97cb8458..efba184c22 100644
--- a/keyboards/handwired/dactyl/rules.mk
+++ b/keyboards/handwired/dactyl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/dactyl_left/rules.mk b/keyboards/handwired/dactyl_left/rules.mk
index 0914c2fc8f..83ed03099f 100644
--- a/keyboards/handwired/dactyl_left/rules.mk
+++ b/keyboards/handwired/dactyl_left/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/dactyl_promicro/rules.mk b/keyboards/handwired/dactyl_promicro/rules.mk
index e92befce6e..33b5a0ee82 100644
--- a/keyboards/handwired/dactyl_promicro/rules.mk
+++ b/keyboards/handwired/dactyl_promicro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/daishi/rules.mk b/keyboards/handwired/daishi/rules.mk
index 179605a765..1147dc5580 100644
--- a/keyboards/handwired/daishi/rules.mk
+++ b/keyboards/handwired/daishi/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# QMK Build Options
diff --git a/keyboards/handwired/datahand/rules.mk b/keyboards/handwired/datahand/rules.mk
index 0fb3a25138..aaea61e0e0 100644
--- a/keyboards/handwired/datahand/rules.mk
+++ b/keyboards/handwired/datahand/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/eagleii/rules.mk b/keyboards/handwired/eagleii/rules.mk
index 6054d779ac..4b542ab88b 100644
--- a/keyboards/handwired/eagleii/rules.mk
+++ b/keyboards/handwired/eagleii/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/fc200rt_qmk/rules.mk b/keyboards/handwired/fc200rt_qmk/rules.mk
index 9fe6bd9b8b..102a4c35b7 100644
--- a/keyboards/handwired/fc200rt_qmk/rules.mk
+++ b/keyboards/handwired/fc200rt_qmk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/fivethirteen/rules.mk b/keyboards/handwired/fivethirteen/rules.mk
index 3fcc255ad8..d82a6c6b45 100644
--- a/keyboards/handwired/fivethirteen/rules.mk
+++ b/keyboards/handwired/fivethirteen/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/frenchdev/rules.mk b/keyboards/handwired/frenchdev/rules.mk
index 5af8b3b611..b1a9f5708c 100644
--- a/keyboards/handwired/frenchdev/rules.mk
+++ b/keyboards/handwired/frenchdev/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/fruity60/rules.mk b/keyboards/handwired/fruity60/rules.mk
index 1d771f61dc..1dfc9007ab 100644
--- a/keyboards/handwired/fruity60/rules.mk
+++ b/keyboards/handwired/fruity60/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/gamenum/rules.mk b/keyboards/handwired/gamenum/rules.mk
index e8792f8dd3..4ad56990cf 100644
--- a/keyboards/handwired/gamenum/rules.mk
+++ b/keyboards/handwired/gamenum/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/hacked_motospeed/rules.mk b/keyboards/handwired/hacked_motospeed/rules.mk
index 3ca539b7c8..7ba6a3af7f 100644
--- a/keyboards/handwired/hacked_motospeed/rules.mk
+++ b/keyboards/handwired/hacked_motospeed/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/heisenberg/rules.mk b/keyboards/handwired/heisenberg/rules.mk
index 620554d9dd..0066b822bf 100644
--- a/keyboards/handwired/heisenberg/rules.mk
+++ b/keyboards/handwired/heisenberg/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/hexon38/rules.mk b/keyboards/handwired/hexon38/rules.mk
index 0216030b44..1103f09914 100644
--- a/keyboards/handwired/hexon38/rules.mk
+++ b/keyboards/handwired/hexon38/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Enabled build options:
diff --git a/keyboards/handwired/hnah40/rules.mk b/keyboards/handwired/hnah40/rules.mk
index 7a88b3fab6..41d3c0adbe 100644
--- a/keyboards/handwired/hnah40/rules.mk
+++ b/keyboards/handwired/hnah40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/handwired/hnah40rgb/rules.mk b/keyboards/handwired/hnah40rgb/rules.mk
index 5059216f38..f1c208fc87 100644
--- a/keyboards/handwired/hnah40rgb/rules.mk
+++ b/keyboards/handwired/hnah40rgb/rules.mk
@@ -2,12 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# atmega32A bootloadHID
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/ibm122m/rules.mk b/keyboards/handwired/ibm122m/rules.mk
index 8664423617..b89afb9ea3 100644
--- a/keyboards/handwired/ibm122m/rules.mk
+++ b/keyboards/handwired/ibm122m/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/jn68m/rules.mk b/keyboards/handwired/jn68m/rules.mk
index 0eb22e1745..cd769fa500 100644
--- a/keyboards/handwired/jn68m/rules.mk
+++ b/keyboards/handwired/jn68m/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/jopr/rules.mk b/keyboards/handwired/jopr/rules.mk
index 0abf765fb4..fc9ebe0ca0 100644
--- a/keyboards/handwired/jopr/rules.mk
+++ b/keyboards/handwired/jopr/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/jot50/rules.mk b/keyboards/handwired/jot50/rules.mk
index 7088d3a292..2996f95eb8 100644
--- a/keyboards/handwired/jot50/rules.mk
+++ b/keyboards/handwired/jot50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/jotanck/rules.mk b/keyboards/handwired/jotanck/rules.mk
index 949eb41b08..fb91dd8383 100644
--- a/keyboards/handwired/jotanck/rules.mk
+++ b/keyboards/handwired/jotanck/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/jotpad16/rules.mk b/keyboards/handwired/jotpad16/rules.mk
index 37692a34fc..150893a995 100644
--- a/keyboards/handwired/jotpad16/rules.mk
+++ b/keyboards/handwired/jotpad16/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/jtallbean/split_65/rules.mk b/keyboards/handwired/jtallbean/split_65/rules.mk
index 898327cbef..b184aeb0df 100644
--- a/keyboards/handwired/jtallbean/split_65/rules.mk
+++ b/keyboards/handwired/jtallbean/split_65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/juliet/rules.mk b/keyboards/handwired/juliet/rules.mk
index d9687772cf..5dcc1170a0 100644
--- a/keyboards/handwired/juliet/rules.mk
+++ b/keyboards/handwired/juliet/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/k8split/rules.mk b/keyboards/handwired/k8split/rules.mk
index c2358a17fc..d5e84d8529 100644
--- a/keyboards/handwired/k8split/rules.mk
+++ b/keyboards/handwired/k8split/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/k_numpad17/rules.mk b/keyboards/handwired/k_numpad17/rules.mk
index e371cbadea..c1a8007f07 100644
--- a/keyboards/handwired/k_numpad17/rules.mk
+++ b/keyboards/handwired/k_numpad17/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/kbod/rules.mk b/keyboards/handwired/kbod/rules.mk
index 251ba2954e..dfe1c71749 100644
--- a/keyboards/handwired/kbod/rules.mk
+++ b/keyboards/handwired/kbod/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/lovelive9/rules.mk b/keyboards/handwired/lovelive9/rules.mk
index 88b50bf3fe..46591936fd 100644
--- a/keyboards/handwired/lovelive9/rules.mk
+++ b/keyboards/handwired/lovelive9/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/magicforce61/rules.mk b/keyboards/handwired/magicforce61/rules.mk
index ece3242777..f6fc624d74 100644
--- a/keyboards/handwired/magicforce61/rules.mk
+++ b/keyboards/handwired/magicforce61/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/magicforce68/rules.mk b/keyboards/handwired/magicforce68/rules.mk
index e8792f8dd3..4ad56990cf 100644
--- a/keyboards/handwired/magicforce68/rules.mk
+++ b/keyboards/handwired/magicforce68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/mechboards_micropad/rules.mk b/keyboards/handwired/mechboards_micropad/rules.mk
index 0417abe59c..5f0474f0cc 100644
--- a/keyboards/handwired/mechboards_micropad/rules.mk
+++ b/keyboards/handwired/mechboards_micropad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/minorca/rules.mk b/keyboards/handwired/minorca/rules.mk
index d80e89a6d3..3eb2254343 100644
--- a/keyboards/handwired/minorca/rules.mk
+++ b/keyboards/handwired/minorca/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/ms_sculpt_mobile/rules.mk b/keyboards/handwired/ms_sculpt_mobile/rules.mk
index b9fea8336f..4f22e86d1a 100644
--- a/keyboards/handwired/ms_sculpt_mobile/rules.mk
+++ b/keyboards/handwired/ms_sculpt_mobile/rules.mk
@@ -1,21 +1,11 @@
ifdef ASTAR
MCU = atmega32u4
CFLAGS = -D ASTAR
- USB = /dev/cu.usbmodem14141
- SCULPT_UPLOAD_COMMAND = while [ ! -r $(USB) ]; do sleep 1; done ; avrdude -p $(MCU) -c avr109 -U flash:w:$(TARGET).hex -P $(USB)
else
MCU = at90usb1286
- SCULPT_UPLOAD_COMMAND = teensy_loader_cli -w -mmcu=$(MCU) $(TARGET).hex
endif
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
ifdef ASTAR
BOOTLOADER = caterina
else
diff --git a/keyboards/handwired/myskeeb/rules.mk b/keyboards/handwired/myskeeb/rules.mk
index b3f998ddf4..f357684634 100644
--- a/keyboards/handwired/myskeeb/rules.mk
+++ b/keyboards/handwired/myskeeb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/nicekey/rules.mk b/keyboards/handwired/nicekey/rules.mk
index ea150da48e..913b5f6ae4 100644
--- a/keyboards/handwired/nicekey/rules.mk
+++ b/keyboards/handwired/nicekey/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/not_so_minidox/rules.mk b/keyboards/handwired/not_so_minidox/rules.mk
index 2cadc22101..3ec1435830 100644
--- a/keyboards/handwired/not_so_minidox/rules.mk
+++ b/keyboards/handwired/not_so_minidox/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/novem/rules.mk b/keyboards/handwired/novem/rules.mk
index 5b47ff97f8..db43ce7d4e 100644
--- a/keyboards/handwired/novem/rules.mk
+++ b/keyboards/handwired/novem/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/numpad20/rules.mk b/keyboards/handwired/numpad20/rules.mk
index 77f39e3ce8..5a55e085d9 100644
--- a/keyboards/handwired/numpad20/rules.mk
+++ b/keyboards/handwired/numpad20/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/obuwunkunubi/spaget/rules.mk b/keyboards/handwired/obuwunkunubi/spaget/rules.mk
index dec0af7e3e..a73d4c7f99 100644
--- a/keyboards/handwired/obuwunkunubi/spaget/rules.mk
+++ b/keyboards/handwired/obuwunkunubi/spaget/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/onekey/keymaps/quine/rules.mk b/keyboards/handwired/onekey/keymaps/quine/rules.mk
index 7da32a7bc8..4c2b0289a2 100644
--- a/keyboards/handwired/onekey/keymaps/quine/rules.mk
+++ b/keyboards/handwired/onekey/keymaps/quine/rules.mk
@@ -1 +1 @@
-BOOTLOADER=atmel-dfu
+BOOTLOADER = atmel-dfu
diff --git a/keyboards/handwired/ortho5x13/rules.mk b/keyboards/handwired/ortho5x13/rules.mk
index 77f39e3ce8..5a55e085d9 100644
--- a/keyboards/handwired/ortho5x13/rules.mk
+++ b/keyboards/handwired/ortho5x13/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/owlet60/rules.mk b/keyboards/handwired/owlet60/rules.mk
index bb8f056511..fe73845542 100644
--- a/keyboards/handwired/owlet60/rules.mk
+++ b/keyboards/handwired/owlet60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/pilcrow/rules.mk b/keyboards/handwired/pilcrow/rules.mk
index 77f39e3ce8..5a55e085d9 100644
--- a/keyboards/handwired/pilcrow/rules.mk
+++ b/keyboards/handwired/pilcrow/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/postageboard/mini/rules.mk b/keyboards/handwired/postageboard/mini/rules.mk
index ea7c28f80a..08f24f8c6f 100644
--- a/keyboards/handwired/postageboard/mini/rules.mk
+++ b/keyboards/handwired/postageboard/mini/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/handwired/postageboard/r1/rules.mk b/keyboards/handwired/postageboard/r1/rules.mk
index ea7c28f80a..08f24f8c6f 100644
--- a/keyboards/handwired/postageboard/r1/rules.mk
+++ b/keyboards/handwired/postageboard/r1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/handwired/prime_exl/rules.mk b/keyboards/handwired/prime_exl/rules.mk
index 988d681b95..379dd6ba8a 100644
--- a/keyboards/handwired/prime_exl/rules.mk
+++ b/keyboards/handwired/prime_exl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/prime_exl_plus/rules.mk b/keyboards/handwired/prime_exl_plus/rules.mk
index 7cb0cb0cdc..ecc7980c18 100644
--- a/keyboards/handwired/prime_exl_plus/rules.mk
+++ b/keyboards/handwired/prime_exl_plus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/prkl30/feather/rules.mk b/keyboards/handwired/prkl30/feather/rules.mk
index df6bafa698..6357015126 100644
--- a/keyboards/handwired/prkl30/feather/rules.mk
+++ b/keyboards/handwired/prkl30/feather/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/prkl30/promicro/rules.mk b/keyboards/handwired/prkl30/promicro/rules.mk
index a3f1dc9e09..71322c494b 100644
--- a/keyboards/handwired/prkl30/promicro/rules.mk
+++ b/keyboards/handwired/prkl30/promicro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/promethium/rules.mk b/keyboards/handwired/promethium/rules.mk
index 3913a12ad5..960d637819 100644
--- a/keyboards/handwired/promethium/rules.mk
+++ b/keyboards/handwired/promethium/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/pteron/rules.mk b/keyboards/handwired/pteron/rules.mk
index f6cd1d0b5f..0ece061a67 100644
--- a/keyboards/handwired/pteron/rules.mk
+++ b/keyboards/handwired/pteron/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/qc60/rules.mk b/keyboards/handwired/qc60/rules.mk
index 35b3df424e..718dab1877 100644
--- a/keyboards/handwired/qc60/rules.mk
+++ b/keyboards/handwired/qc60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/reddot/rules.mk b/keyboards/handwired/reddot/rules.mk
index a722495235..dfe1c71749 100755
--- a/keyboards/handwired/reddot/rules.mk
+++ b/keyboards/handwired/reddot/rules.mk
@@ -2,23 +2,7 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
-ifdef TEENSY2
- BOOTLOADER = halfkay
- OPT_DEFS += -DATREUS_TEENSY2
- ATREUS_UPLOAD_COMMAND = teensy_loader_cli -w -mmcu=$(MCU) $(TARGET).hex
-else
- BOOTLOADER = caterina
- OPT_DEFS += -DATREUS_ASTAR
- ATREUS_UPLOAD_COMMAND = while [ ! -r $(USB) ]; do sleep 1; done; \
- avrdude -p $(MCU) -c avr109 -U flash:w:$(TARGET).hex -P $(USB)
-endif
+BOOTLOADER = caterina
# Build Options
# change yes to no to disable
@@ -36,9 +20,3 @@ BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality on B7 by d
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
-
-# upload: build
-# $(ATREUS_UPLOAD_COMMAND)
-
-# for avr upload
-USB = /dev/cu.usbmodem1421
diff --git a/keyboards/handwired/retro_refit/rules.mk b/keyboards/handwired/retro_refit/rules.mk
index 2ab82a669f..129dbc9213 100644
--- a/keyboards/handwired/retro_refit/rules.mk
+++ b/keyboards/handwired/retro_refit/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/rs60/rules.mk b/keyboards/handwired/rs60/rules.mk
index c08c7cc347..76070f7f44 100644
--- a/keyboards/handwired/rs60/rules.mk
+++ b/keyboards/handwired/rs60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/handwired/sick68/rules.mk b/keyboards/handwired/sick68/rules.mk
index 660d8c4bc2..170b9e870e 100644
--- a/keyboards/handwired/sick68/rules.mk
+++ b/keyboards/handwired/sick68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/slash/rules.mk b/keyboards/handwired/slash/rules.mk
index 29af1e54dd..e2e8c93e30 100644
--- a/keyboards/handwired/slash/rules.mk
+++ b/keyboards/handwired/slash/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/space_oddity/rules.mk b/keyboards/handwired/space_oddity/rules.mk
index 2d500143f5..70b2151a3f 100644
--- a/keyboards/handwired/space_oddity/rules.mk
+++ b/keyboards/handwired/space_oddity/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/splittest/promicro/rules.mk b/keyboards/handwired/splittest/promicro/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/handwired/splittest/promicro/rules.mk
+++ b/keyboards/handwired/splittest/promicro/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/handwired/splittest/teensy_2/rules.mk b/keyboards/handwired/splittest/teensy_2/rules.mk
index ae398e2588..320633f80f 100644
--- a/keyboards/handwired/splittest/teensy_2/rules.mk
+++ b/keyboards/handwired/splittest/teensy_2/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
diff --git a/keyboards/handwired/sticc14/rules.mk b/keyboards/handwired/sticc14/rules.mk
index 8973a9b391..26cec2f916 100644
--- a/keyboards/handwired/sticc14/rules.mk
+++ b/keyboards/handwired/sticc14/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/swiftrax/cowfish/rules.mk b/keyboards/handwired/swiftrax/cowfish/rules.mk
index 1b98d920de..23ba502fc9 100644
--- a/keyboards/handwired/swiftrax/cowfish/rules.mk
+++ b/keyboards/handwired/swiftrax/cowfish/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/symmetry60/rules.mk b/keyboards/handwired/symmetry60/rules.mk
index e5485b508c..afa293f5ef 100644
--- a/keyboards/handwired/symmetry60/rules.mk
+++ b/keyboards/handwired/symmetry60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/handwired/tennie/rules.mk b/keyboards/handwired/tennie/rules.mk
index b1918eecbc..f07beb9831 100644
--- a/keyboards/handwired/tennie/rules.mk
+++ b/keyboards/handwired/tennie/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/terminus_mini/rules.mk b/keyboards/handwired/terminus_mini/rules.mk
index 77046efbdd..8b0a2fc7b6 100644
--- a/keyboards/handwired/terminus_mini/rules.mk
+++ b/keyboards/handwired/terminus_mini/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/handwired/trackpoint/rules.mk b/keyboards/handwired/trackpoint/rules.mk
index efaffe0489..0a354adc89 100644
--- a/keyboards/handwired/trackpoint/rules.mk
+++ b/keyboards/handwired/trackpoint/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
diff --git a/keyboards/handwired/tritium_numpad/rules.mk b/keyboards/handwired/tritium_numpad/rules.mk
index 0854ee5552..355ea38279 100644
--- a/keyboards/handwired/tritium_numpad/rules.mk
+++ b/keyboards/handwired/tritium_numpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/unk/rules.mk b/keyboards/handwired/unk/rules.mk
index 7ce16d550e..180e76ef9e 100644
--- a/keyboards/handwired/unk/rules.mk
+++ b/keyboards/handwired/unk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/videowriter/rules.mk b/keyboards/handwired/videowriter/rules.mk
index fa8e52186b..f147d9f9fb 100644
--- a/keyboards/handwired/videowriter/rules.mk
+++ b/keyboards/handwired/videowriter/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/handwired/xealous/rules.mk b/keyboards/handwired/xealous/rules.mk
index 4aeb769224..56f9b27415 100644
--- a/keyboards/handwired/xealous/rules.mk
+++ b/keyboards/handwired/xealous/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/hecomi/alpha/rules.mk b/keyboards/hecomi/alpha/rules.mk
index aa424cf46c..bdf5be32d8 100644
--- a/keyboards/hecomi/alpha/rules.mk
+++ b/keyboards/hecomi/alpha/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/hecomi/rules.mk b/keyboards/hecomi/rules.mk
index abd4a85531..7e39607867 100644
--- a/keyboards/hecomi/rules.mk
+++ b/keyboards/hecomi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/heliar/wm1_hotswap/rules.mk b/keyboards/heliar/wm1_hotswap/rules.mk
index fd7bab90a3..37700efb74 100644
--- a/keyboards/heliar/wm1_hotswap/rules.mk
+++ b/keyboards/heliar/wm1_hotswap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
## Build Options
diff --git a/keyboards/helix/rules.mk b/keyboards/helix/rules.mk
index ef12cb3053..e8b942b172 100644
--- a/keyboards/helix/rules.mk
+++ b/keyboards/helix/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# QMK Standard Build Options
diff --git a/keyboards/hhkb/ansi/rules.mk b/keyboards/hhkb/ansi/rules.mk
index 5a7349e7a4..b0f17c93a0 100644
--- a/keyboards/hhkb/ansi/rules.mk
+++ b/keyboards/hhkb/ansi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hhkb/jp/rules.mk b/keyboards/hhkb/jp/rules.mk
index 8da5da9c13..50e2c2c412 100644
--- a/keyboards/hhkb/jp/rules.mk
+++ b/keyboards/hhkb/jp/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hid_liber/rules.mk b/keyboards/hid_liber/rules.mk
index 118d1fe9b9..0b55c43531 100755
--- a/keyboards/hid_liber/rules.mk
+++ b/keyboards/hid_liber/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hifumi/rules.mk b/keyboards/hifumi/rules.mk
index 8c0146e7ae..ff495ef350 100644
--- a/keyboards/hifumi/rules.mk
+++ b/keyboards/hifumi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/hineybush/h75_singa/rules.mk b/keyboards/hineybush/h75_singa/rules.mk
index 76705259a9..8db8b4120a 100644
--- a/keyboards/hineybush/h75_singa/rules.mk
+++ b/keyboards/hineybush/h75_singa/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/h87a/rules.mk b/keyboards/hineybush/h87a/rules.mk
index 10fd20ad75..d828352d33 100644
--- a/keyboards/hineybush/h87a/rules.mk
+++ b/keyboards/hineybush/h87a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/h88/rules.mk b/keyboards/hineybush/h88/rules.mk
index 917aa0bfab..a68be4c0db 100644
--- a/keyboards/hineybush/h88/rules.mk
+++ b/keyboards/hineybush/h88/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/hbcp/rules.mk b/keyboards/hineybush/hbcp/rules.mk
index 1405a1d492..c2f8abd5fb 100644
--- a/keyboards/hineybush/hbcp/rules.mk
+++ b/keyboards/hineybush/hbcp/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/hineyg80/rules.mk b/keyboards/hineybush/hineyg80/rules.mk
index 6e747adc49..a0195912b2 100644
--- a/keyboards/hineybush/hineyg80/rules.mk
+++ b/keyboards/hineybush/hineyg80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/physix/rules.mk b/keyboards/hineybush/physix/rules.mk
index 5d8ebe07fb..3fd256dc9b 100644
--- a/keyboards/hineybush/physix/rules.mk
+++ b/keyboards/hineybush/physix/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hineybush/sm68/rules.mk b/keyboards/hineybush/sm68/rules.mk
index 54bb816fc4..0af4a828cf 100644
--- a/keyboards/hineybush/sm68/rules.mk
+++ b/keyboards/hineybush/sm68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/honeycomb/rules.mk b/keyboards/honeycomb/rules.mk
index 97389e9c66..bda904cb41 100755
--- a/keyboards/honeycomb/rules.mk
+++ b/keyboards/honeycomb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/hotdox/rules.mk b/keyboards/hotdox/rules.mk
index c180f985a7..3802dbe995 100644
--- a/keyboards/hotdox/rules.mk
+++ b/keyboards/hotdox/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/hs60/v1/rules.mk b/keyboards/hs60/v1/rules.mk
index 0cba72e573..97fa61bfd5 100644
--- a/keyboards/hs60/v1/rules.mk
+++ b/keyboards/hs60/v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/hub16/rules.mk b/keyboards/hub16/rules.mk
index 6bd1f0fbd5..71b26b733c 100755
--- a/keyboards/hub16/rules.mk
+++ b/keyboards/hub16/rules.mk
@@ -1,5 +1,7 @@
+# MCU name
MCU = atmega32u4
+# Bootloader selection
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/id80/rules.mk b/keyboards/id80/rules.mk
index c03f367eaf..97b1174762 100644
--- a/keyboards/id80/rules.mk
+++ b/keyboards/id80/rules.mk
@@ -5,13 +5,6 @@ DEFAULT_FOLDER = id80/ansi
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/idb/idb_60/rules.mk b/keyboards/idb/idb_60/rules.mk
index acf7b75535..8f341354fa 100644
--- a/keyboards/idb/idb_60/rules.mk
+++ b/keyboards/idb/idb_60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/idobo/rules.mk b/keyboards/idobo/rules.mk
index 98d5d265d3..ae8bec5b33 100644
--- a/keyboards/idobo/rules.mk
+++ b/keyboards/idobo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/illuminati/is0/rules.mk b/keyboards/illuminati/is0/rules.mk
index 37a9928eb9..85643f5aca 100644
--- a/keyboards/illuminati/is0/rules.mk
+++ b/keyboards/illuminati/is0/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ivy/rules.mk b/keyboards/ivy/rules.mk
index 85a7b65a2e..e5770cf8d1 100644
--- a/keyboards/ivy/rules.mk
+++ b/keyboards/ivy/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/j80/rules.mk b/keyboards/j80/rules.mk
index feb1d60271..44b5a51ee1 100644
--- a/keyboards/j80/rules.mk
+++ b/keyboards/j80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/jae/j01/rules.mk b/keyboards/jae/j01/rules.mk
index b2811ee408..1de7564c84 100644
--- a/keyboards/jae/j01/rules.mk
+++ b/keyboards/jae/j01/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/jc65/v32a/rules.mk b/keyboards/jc65/v32a/rules.mk
index bb26ba4420..c256d57669 100644
--- a/keyboards/jc65/v32a/rules.mk
+++ b/keyboards/jc65/v32a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/jc65/v32u4/rules.mk b/keyboards/jc65/v32u4/rules.mk
index 4b23576e37..692d260fed 100644
--- a/keyboards/jc65/v32u4/rules.mk
+++ b/keyboards/jc65/v32u4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/jd40/rules.mk b/keyboards/jd40/rules.mk
index e7c9b90811..e2c5d1a82e 100644
--- a/keyboards/jd40/rules.mk
+++ b/keyboards/jd40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/jd45/rules.mk b/keyboards/jd45/rules.mk
index 20ec8ca7cc..dee133cefd 100644
--- a/keyboards/jd45/rules.mk
+++ b/keyboards/jd45/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/jian/handwired/rules.mk b/keyboards/jian/handwired/rules.mk
index 61f40dfcbe..b12d594ea1 100644
--- a/keyboards/jian/handwired/rules.mk
+++ b/keyboards/jian/handwired/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/jian/nsrev2/rules.mk b/keyboards/jian/nsrev2/rules.mk
index 3942e629a1..7f93cad712 100644
--- a/keyboards/jian/nsrev2/rules.mk
+++ b/keyboards/jian/nsrev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/jian/rev1/rules.mk b/keyboards/jian/rev1/rules.mk
index 915b647548..cce01f50c3 100644
--- a/keyboards/jian/rev1/rules.mk
+++ b/keyboards/jian/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/jian/rev2/rules.mk b/keyboards/jian/rev2/rules.mk
index bbfde67f94..fa43614a06 100644
--- a/keyboards/jian/rev2/rules.mk
+++ b/keyboards/jian/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/jnao/rules.mk b/keyboards/jnao/rules.mk
index 715a320085..0a1c3d76dc 100644
--- a/keyboards/jnao/rules.mk
+++ b/keyboards/jnao/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/just60/rules.mk b/keyboards/just60/rules.mk
index 20e26261e2..db8ef46781 100644
--- a/keyboards/just60/rules.mk
+++ b/keyboards/just60/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = lufa-ms
# Build Options
diff --git a/keyboards/kagamidget/rules.mk b/keyboards/kagamidget/rules.mk
index e2da0b16e6..cf8eb8ea4a 100644
--- a/keyboards/kagamidget/rules.mk
+++ b/keyboards/kagamidget/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdclack/kaishi65/rules.mk b/keyboards/kbdclack/kaishi65/rules.mk
index 5af7633687..050cfcd1d8 100644
--- a/keyboards/kbdclack/kaishi65/rules.mk
+++ b/keyboards/kbdclack/kaishi65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd19x/rules.mk b/keyboards/kbdfans/kbd19x/rules.mk
index dd2c8f6b78..9151cab992 100644
--- a/keyboards/kbdfans/kbd19x/rules.mk
+++ b/keyboards/kbdfans/kbd19x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd4x/rules.mk b/keyboards/kbdfans/kbd4x/rules.mk
index 7856532149..18a9d3ac4d 100644
--- a/keyboards/kbdfans/kbd4x/rules.mk
+++ b/keyboards/kbdfans/kbd4x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd66/rules.mk b/keyboards/kbdfans/kbd66/rules.mk
index 1329c83501..1337e3e9c6 100644
--- a/keyboards/kbdfans/kbd66/rules.mk
+++ b/keyboards/kbdfans/kbd66/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd67/hotswap/rules.mk b/keyboards/kbdfans/kbd67/hotswap/rules.mk
index 4a28016847..8c73d9699a 100644
--- a/keyboards/kbdfans/kbd67/hotswap/rules.mk
+++ b/keyboards/kbdfans/kbd67/hotswap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd67/mkii_soldered/rules.mk b/keyboards/kbdfans/kbd67/mkii_soldered/rules.mk
index 8686f77d74..286eabe0b9 100644
--- a/keyboards/kbdfans/kbd67/mkii_soldered/rules.mk
+++ b/keyboards/kbdfans/kbd67/mkii_soldered/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd67/mkiirgb/v2/rules.mk b/keyboards/kbdfans/kbd67/mkiirgb/v2/rules.mk
index 44ce87e440..b26840b9b9 100644
--- a/keyboards/kbdfans/kbd67/mkiirgb/v2/rules.mk
+++ b/keyboards/kbdfans/kbd67/mkiirgb/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd67/rev1/rules.mk b/keyboards/kbdfans/kbd67/rev1/rules.mk
index fe5da77169..1caa5a3ab2 100644
--- a/keyboards/kbdfans/kbd67/rev1/rules.mk
+++ b/keyboards/kbdfans/kbd67/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd67/rev2/rules.mk b/keyboards/kbdfans/kbd67/rev2/rules.mk
index e209df4985..b3e806bcad 100644
--- a/keyboards/kbdfans/kbd67/rev2/rules.mk
+++ b/keyboards/kbdfans/kbd67/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd6x/rules.mk b/keyboards/kbdfans/kbd6x/rules.mk
index eabefb6bdf..1caa812c87 100644
--- a/keyboards/kbdfans/kbd6x/rules.mk
+++ b/keyboards/kbdfans/kbd6x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd75/rev1/rules.mk b/keyboards/kbdfans/kbd75/rev1/rules.mk
index fb31f5609b..a1ef4dbd85 100644
--- a/keyboards/kbdfans/kbd75/rev1/rules.mk
+++ b/keyboards/kbdfans/kbd75/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd75/rev2/rules.mk b/keyboards/kbdfans/kbd75/rev2/rules.mk
index fb31f5609b..a1ef4dbd85 100644
--- a/keyboards/kbdfans/kbd75/rev2/rules.mk
+++ b/keyboards/kbdfans/kbd75/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd8x/rules.mk b/keyboards/kbdfans/kbd8x/rules.mk
index a4f86de378..e1f84e563f 100644
--- a/keyboards/kbdfans/kbd8x/rules.mk
+++ b/keyboards/kbdfans/kbd8x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbd8x_mk2/rules.mk b/keyboards/kbdfans/kbd8x_mk2/rules.mk
index 6524858e47..6f3e03a964 100644
--- a/keyboards/kbdfans/kbd8x_mk2/rules.mk
+++ b/keyboards/kbdfans/kbd8x_mk2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/kbdpad/mk1/rules.mk b/keyboards/kbdfans/kbdpad/mk1/rules.mk
index d467663386..9046d37141 100644
--- a/keyboards/kbdfans/kbdpad/mk1/rules.mk
+++ b/keyboards/kbdfans/kbdpad/mk1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/kbdfans/kbdpad_mk2/rules.mk b/keyboards/kbdfans/kbdpad_mk2/rules.mk
index 406195888e..20ed421372 100644
--- a/keyboards/kbdfans/kbdpad_mk2/rules.mk
+++ b/keyboards/kbdfans/kbdpad_mk2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kbdfans/maja/rules.mk b/keyboards/kbdfans/maja/rules.mk
index 03054bc709..dde262302f 100755
--- a/keyboards/kbdfans/maja/rules.mk
+++ b/keyboards/kbdfans/maja/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kc60se/rules.mk b/keyboards/kc60se/rules.mk
index c828d55d4a..0bccf7f175 100644
--- a/keyboards/kc60se/rules.mk
+++ b/keyboards/kc60se/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keebio/bdn9/rev1/rules.mk b/keyboards/keebio/bdn9/rev1/rules.mk
index e9d43ac083..a2e81ee2ba 100644
--- a/keyboards/keebio/bdn9/rev1/rules.mk
+++ b/keyboards/keebio/bdn9/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/bfo9000/rules.mk b/keyboards/keebio/bfo9000/rules.mk
index 7dac8a22bb..c715fa0576 100644
--- a/keyboards/keebio/bfo9000/rules.mk
+++ b/keyboards/keebio/bfo9000/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/chocopad/rules.mk b/keyboards/keebio/chocopad/rules.mk
index e35a99f3b3..624f876c14 100644
--- a/keyboards/keebio/chocopad/rules.mk
+++ b/keyboards/keebio/chocopad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/dilly/rules.mk b/keyboards/keebio/dilly/rules.mk
index dfdd23cb86..cc778b3327 100644
--- a/keyboards/keebio/dilly/rules.mk
+++ b/keyboards/keebio/dilly/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/ergodicity/rules.mk b/keyboards/keebio/ergodicity/rules.mk
index 090d3b1d7e..6659d4e391 100644
--- a/keyboards/keebio/ergodicity/rules.mk
+++ b/keyboards/keebio/ergodicity/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keebio/fourier/rules.mk b/keyboards/keebio/fourier/rules.mk
index b9d91e6fe3..27f59288b8 100644
--- a/keyboards/keebio/fourier/rules.mk
+++ b/keyboards/keebio/fourier/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/iris/rev1/rules.mk b/keyboards/keebio/iris/rev1/rules.mk
index 21333e5437..9afa072ac1 100644
--- a/keyboards/keebio/iris/rev1/rules.mk
+++ b/keyboards/keebio/iris/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/iris/rev1_led/rules.mk b/keyboards/keebio/iris/rev1_led/rules.mk
index 21333e5437..9afa072ac1 100644
--- a/keyboards/keebio/iris/rev1_led/rules.mk
+++ b/keyboards/keebio/iris/rev1_led/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/iris/rev2/rules.mk b/keyboards/keebio/iris/rev2/rules.mk
index 291d3f0759..558be1d88d 100644
--- a/keyboards/keebio/iris/rev2/rules.mk
+++ b/keyboards/keebio/iris/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/iris/rev3/rules.mk b/keyboards/keebio/iris/rev3/rules.mk
index 505c7bd5bd..497d8c3222 100644
--- a/keyboards/keebio/iris/rev3/rules.mk
+++ b/keyboards/keebio/iris/rev3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/keebio/iris/rev4/rules.mk b/keyboards/keebio/iris/rev4/rules.mk
index 382e7d572d..7c20107b6a 100644
--- a/keyboards/keebio/iris/rev4/rules.mk
+++ b/keyboards/keebio/iris/rev4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/keebio/kbo5000/rules.mk b/keyboards/keebio/kbo5000/rules.mk
index 12ef951ddb..34f6ad2e65 100644
--- a/keyboards/keebio/kbo5000/rules.mk
+++ b/keyboards/keebio/kbo5000/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keebio/laplace/rules.mk b/keyboards/keebio/laplace/rules.mk
index 528730642d..f7ff745296 100644
--- a/keyboards/keebio/laplace/rules.mk
+++ b/keyboards/keebio/laplace/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/levinson/rules.mk b/keyboards/keebio/levinson/rules.mk
index 448921eb91..c4cf282468 100644
--- a/keyboards/keebio/levinson/rules.mk
+++ b/keyboards/keebio/levinson/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/nyquist/rev1/rules.mk b/keyboards/keebio/nyquist/rev1/rules.mk
index e3c2c93aba..c76167b65c 100644
--- a/keyboards/keebio/nyquist/rev1/rules.mk
+++ b/keyboards/keebio/nyquist/rev1/rules.mk
@@ -1,13 +1,7 @@
+# MCU name
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/nyquist/rev2/rules.mk b/keyboards/keebio/nyquist/rev2/rules.mk
index 0ce5e3b0b4..06f0dcb1c8 100644
--- a/keyboards/keebio/nyquist/rev2/rules.mk
+++ b/keyboards/keebio/nyquist/rev2/rules.mk
@@ -1,13 +1,7 @@
+# MCU name
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/nyquist/rev3/rules.mk b/keyboards/keebio/nyquist/rev3/rules.mk
index b6699927dd..055de65fcc 100644
--- a/keyboards/keebio/nyquist/rev3/rules.mk
+++ b/keyboards/keebio/nyquist/rev3/rules.mk
@@ -1,13 +1,7 @@
+# MCU name
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/keebio/rorschach/rules.mk b/keyboards/keebio/rorschach/rules.mk
index 3c8a30a497..12244a60e1 100644
--- a/keyboards/keebio/rorschach/rules.mk
+++ b/keyboards/keebio/rorschach/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BOOTMAGIC_ENABLE = no # Enable Bootmagic Lite
diff --git a/keyboards/keebio/sinc/rules.mk b/keyboards/keebio/sinc/rules.mk
index 7e08828723..536a419963 100644
--- a/keyboards/keebio/sinc/rules.mk
+++ b/keyboards/keebio/sinc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keebio/tragicforce68/rules.mk b/keyboards/keebio/tragicforce68/rules.mk
index eecf8301d9..3ce4ceb242 100644
--- a/keyboards/keebio/tragicforce68/rules.mk
+++ b/keyboards/keebio/tragicforce68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/tukey/rules.mk b/keyboards/keebio/tukey/rules.mk
index d196d80cfd..6b5c7dd767 100644
--- a/keyboards/keebio/tukey/rules.mk
+++ b/keyboards/keebio/tukey/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/viterbi/rules.mk b/keyboards/keebio/viterbi/rules.mk
index fe9b6dc56d..117fef7e56 100644
--- a/keyboards/keebio/viterbi/rules.mk
+++ b/keyboards/keebio/viterbi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebio/wavelet/rules.mk b/keyboards/keebio/wavelet/rules.mk
index a5fad2932e..b43ae34a15 100644
--- a/keyboards/keebio/wavelet/rules.mk
+++ b/keyboards/keebio/wavelet/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keebwerk/nano_slider/rules.mk b/keyboards/keebwerk/nano_slider/rules.mk
index c3e5c6203d..7d323f0f44 100644
--- a/keyboards/keebwerk/nano_slider/rules.mk
+++ b/keyboards/keebwerk/nano_slider/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keebzdotnet/wazowski/rules.mk b/keyboards/keebzdotnet/wazowski/rules.mk
index e7e400e800..ec84f3aa31 100644
--- a/keyboards/keebzdotnet/wazowski/rules.mk
+++ b/keyboards/keebzdotnet/wazowski/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/keyboardio/model01/rules.mk b/keyboards/keyboardio/model01/rules.mk
index 925e575e0a..bf5834fb11 100644
--- a/keyboards/keyboardio/model01/rules.mk
+++ b/keyboards/keyboardio/model01/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/keyhive/maypad/rules.mk b/keyboards/keyhive/maypad/rules.mk
index 9adbffc4f0..9db3ccbfcf 100644
--- a/keyboards/keyhive/maypad/rules.mk
+++ b/keyboards/keyhive/maypad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kinesis/rules.mk b/keyboards/kinesis/rules.mk
index ddae2e8866..65b665e597 100644
--- a/keyboards/kinesis/rules.mk
+++ b/keyboards/kinesis/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/kingly_keys/little_foot/rules.mk b/keyboards/kingly_keys/little_foot/rules.mk
index bd5990ab56..d87f7b62c3 100644
--- a/keyboards/kingly_keys/little_foot/rules.mk
+++ b/keyboards/kingly_keys/little_foot/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kingly_keys/romac/rules.mk b/keyboards/kingly_keys/romac/rules.mk
index 81c1b5e036..434a677429 100644
--- a/keyboards/kingly_keys/romac/rules.mk
+++ b/keyboards/kingly_keys/romac/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kingly_keys/romac_plus/rules.mk b/keyboards/kingly_keys/romac_plus/rules.mk
index 6308f17c94..e5310a5b56 100644
--- a/keyboards/kingly_keys/romac_plus/rules.mk
+++ b/keyboards/kingly_keys/romac_plus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kingly_keys/ropro/rules.mk b/keyboards/kingly_keys/ropro/rules.mk
index f5bad3f64c..400483a78c 100644
--- a/keyboards/kingly_keys/ropro/rules.mk
+++ b/keyboards/kingly_keys/ropro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kingly_keys/smd_milk/rules.mk b/keyboards/kingly_keys/smd_milk/rules.mk
index 8ea4fb6381..ad483452b8 100644
--- a/keyboards/kingly_keys/smd_milk/rules.mk
+++ b/keyboards/kingly_keys/smd_milk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kingly_keys/soap/rules.mk b/keyboards/kingly_keys/soap/rules.mk
index 821830ad16..b9e2a991d2 100644
--- a/keyboards/kingly_keys/soap/rules.mk
+++ b/keyboards/kingly_keys/soap/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kira75/rules.mk b/keyboards/kira75/rules.mk
index e1bd282f2d..162ac276b3 100644
--- a/keyboards/kira75/rules.mk
+++ b/keyboards/kira75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kira80/rules.mk b/keyboards/kira80/rules.mk
index adf5b87fab..a790b0a940 100644
--- a/keyboards/kira80/rules.mk
+++ b/keyboards/kira80/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/kmac/rules.mk b/keyboards/kmac/rules.mk
index 810de56a24..6a6ca473e8 100644
--- a/keyboards/kmac/rules.mk
+++ b/keyboards/kmac/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kmini/rules.mk b/keyboards/kmini/rules.mk
index f4b00e7d16..4b2be38316 100755
--- a/keyboards/kmini/rules.mk
+++ b/keyboards/kmini/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/knops/mini/rules.mk b/keyboards/knops/mini/rules.mk
index 4ee7fa222c..adc3b67fd2 100644
--- a/keyboards/knops/mini/rules.mk
+++ b/keyboards/knops/mini/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kona_classic/rules.mk b/keyboards/kona_classic/rules.mk
index 04a6596363..b91868d401 100644
--- a/keyboards/kona_classic/rules.mk
+++ b/keyboards/kona_classic/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/kprepublic/bm16a/rules.mk b/keyboards/kprepublic/bm16a/rules.mk
index 5b43833945..c847117ec0 100644
--- a/keyboards/kprepublic/bm16a/rules.mk
+++ b/keyboards/kprepublic/bm16a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kprepublic/bm16s/rules.mk b/keyboards/kprepublic/bm16s/rules.mk
index b0c9fdd86a..0ed51b71af 100755
--- a/keyboards/kprepublic/bm16s/rules.mk
+++ b/keyboards/kprepublic/bm16s/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kprepublic/bm43a/rules.mk b/keyboards/kprepublic/bm43a/rules.mk
index e28da405c9..cc82793137 100644
--- a/keyboards/kprepublic/bm43a/rules.mk
+++ b/keyboards/kprepublic/bm43a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kprepublic/bm60rgb/rules.mk b/keyboards/kprepublic/bm60rgb/rules.mk
index e4e6b4ea1d..4e6b055448 100644
--- a/keyboards/kprepublic/bm60rgb/rules.mk
+++ b/keyboards/kprepublic/bm60rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kprepublic/cospad/rules.mk b/keyboards/kprepublic/cospad/rules.mk
index 7f464d7ac3..02fc2c7e2e 100644
--- a/keyboards/kprepublic/cospad/rules.mk
+++ b/keyboards/kprepublic/cospad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/kprepublic/jj40/rules.mk b/keyboards/kprepublic/jj40/rules.mk
index f288ed8cfc..70fbf9b1ab 100644
--- a/keyboards/kprepublic/jj40/rules.mk
+++ b/keyboards/kprepublic/jj40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/kprepublic/jj4x4/rules.mk b/keyboards/kprepublic/jj4x4/rules.mk
index 83fbd89874..df113b9510 100644
--- a/keyboards/kprepublic/jj4x4/rules.mk
+++ b/keyboards/kprepublic/jj4x4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/kprepublic/jj50/rules.mk b/keyboards/kprepublic/jj50/rules.mk
index b923675df7..2b39216eda 100644
--- a/keyboards/kprepublic/jj50/rules.mk
+++ b/keyboards/kprepublic/jj50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/ktec/daisy/rules.mk b/keyboards/ktec/daisy/rules.mk
index 487c919150..2fe692e3a5 100644
--- a/keyboards/ktec/daisy/rules.mk
+++ b/keyboards/ktec/daisy/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ktec/ergodone/rules.mk b/keyboards/ktec/ergodone/rules.mk
index 407afed039..3c1723a3c4 100644
--- a/keyboards/ktec/ergodone/rules.mk
+++ b/keyboards/ktec/ergodone/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ktec/staryu/rules.mk b/keyboards/ktec/staryu/rules.mk
index 697a58ff7b..6411fe82f9 100755
--- a/keyboards/ktec/staryu/rules.mk
+++ b/keyboards/ktec/staryu/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = lufa-dfu
# Build Options
diff --git a/keyboards/kudox/rules.mk b/keyboards/kudox/rules.mk
index 05fafb7b5c..fbad557f63 100644
--- a/keyboards/kudox/rules.mk
+++ b/keyboards/kudox/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/kudox_game/rules.mk b/keyboards/kudox_game/rules.mk
index 7ccaff5cd3..d4cbe2523e 100644
--- a/keyboards/kudox_game/rules.mk
+++ b/keyboards/kudox_game/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/laptreus/rules.mk b/keyboards/laptreus/rules.mk
index 765c4cdc78..5810f98a57 100644
--- a/keyboards/laptreus/rules.mk
+++ b/keyboards/laptreus/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/latinpad/rules.mk b/keyboards/latinpad/rules.mk
index fb40abc39b..1a8d7f0a49 100644
--- a/keyboards/latinpad/rules.mk
+++ b/keyboards/latinpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/lattice60/rules.mk b/keyboards/lattice60/rules.mk
index b04ffc44ea..cca470cebb 100644
--- a/keyboards/lattice60/rules.mk
+++ b/keyboards/lattice60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Processor frequency
diff --git a/keyboards/launchpad/rules.mk b/keyboards/launchpad/rules.mk
index ff9dfa5dee..0be15d2ffd 100644
--- a/keyboards/launchpad/rules.mk
+++ b/keyboards/launchpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/lazydesigners/dimple/rules.mk b/keyboards/lazydesigners/dimple/rules.mk
index 5374edc54f..1913836fb1 100644
--- a/keyboards/lazydesigners/dimple/rules.mk
+++ b/keyboards/lazydesigners/dimple/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/lazydesigners/the30/rules.mk b/keyboards/lazydesigners/the30/rules.mk
index 93a26c2000..bd551485e5 100644
--- a/keyboards/lazydesigners/the30/rules.mk
+++ b/keyboards/lazydesigners/the30/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/lazydesigners/the50/rules.mk b/keyboards/lazydesigners/the50/rules.mk
index 97e0e26db9..c51112c057 100644
--- a/keyboards/lazydesigners/the50/rules.mk
+++ b/keyboards/lazydesigners/the50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/le_chiffre/rules.mk b/keyboards/le_chiffre/rules.mk
index eb18362b65..e683fb1ff0 100644
--- a/keyboards/le_chiffre/rules.mk
+++ b/keyboards/le_chiffre/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/leeku/finger65/rules.mk b/keyboards/leeku/finger65/rules.mk
index 49dc92eb7b..20dbb7530b 100644
--- a/keyboards/leeku/finger65/rules.mk
+++ b/keyboards/leeku/finger65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/lets_split/rules.mk b/keyboards/lets_split/rules.mk
index 2fc9db92cb..cc70e7e493 100644
--- a/keyboards/lets_split/rules.mk
+++ b/keyboards/lets_split/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/lets_split_eh/rules.mk b/keyboards/lets_split_eh/rules.mk
index 0ed502a28a..63a79e9c06 100644
--- a/keyboards/lets_split_eh/rules.mk
+++ b/keyboards/lets_split_eh/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/lfkeyboards/lfk78/rules.mk b/keyboards/lfkeyboards/lfk78/rules.mk
index 1abad55571..81f532615f 100644
--- a/keyboards/lfkeyboards/lfk78/rules.mk
+++ b/keyboards/lfkeyboards/lfk78/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/lfkeyboards/lfkpad/rules.mk b/keyboards/lfkeyboards/lfkpad/rules.mk
index 09dea70373..942f11368a 100644
--- a/keyboards/lfkeyboards/lfkpad/rules.mk
+++ b/keyboards/lfkeyboards/lfkpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/lily58/rules.mk b/keyboards/lily58/rules.mk
index 302cb0cdc1..7c78363acd 100644
--- a/keyboards/lily58/rules.mk
+++ b/keyboards/lily58/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/matrix/m12og/rev2/rules.mk b/keyboards/matrix/m12og/rev2/rules.mk
index e16b143252..edf4fa4b4f 100644
--- a/keyboards/matrix/m12og/rev2/rules.mk
+++ b/keyboards/matrix/m12og/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/maxipad/promicro/rules.mk b/keyboards/maxipad/promicro/rules.mk
index e6fef51727..cf663a7ed6 100644
--- a/keyboards/maxipad/promicro/rules.mk
+++ b/keyboards/maxipad/promicro/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/maxipad/teensy2/rules.mk b/keyboards/maxipad/teensy2/rules.mk
index ae398e2588..320633f80f 100644
--- a/keyboards/maxipad/teensy2/rules.mk
+++ b/keyboards/maxipad/teensy2/rules.mk
@@ -2,11 +2,4 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
diff --git a/keyboards/maxr1998/phoebe/rules.mk b/keyboards/maxr1998/phoebe/rules.mk
index 79bce5624b..9cd6f6898c 100644
--- a/keyboards/maxr1998/phoebe/rules.mk
+++ b/keyboards/maxr1998/phoebe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/maxr1998/pulse4k/rules.mk b/keyboards/maxr1998/pulse4k/rules.mk
index 783ce5ddce..10b00766d9 100644
--- a/keyboards/maxr1998/pulse4k/rules.mk
+++ b/keyboards/maxr1998/pulse4k/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mc_76k/rules.mk b/keyboards/mc_76k/rules.mk
index 349d6c9a64..6f433b10ff 100644
--- a/keyboards/mc_76k/rules.mk
+++ b/keyboards/mc_76k/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mechkeys/mk60/rules.mk b/keyboards/mechkeys/mk60/rules.mk
index 24143d65bf..24bd398aeb 100644
--- a/keyboards/mechkeys/mk60/rules.mk
+++ b/keyboards/mechkeys/mk60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mechllama/g35/rules.mk b/keyboards/mechllama/g35/rules.mk
index b844eb90cf..d0f3ce4ede 100644
--- a/keyboards/mechllama/g35/rules.mk
+++ b/keyboards/mechllama/g35/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
NKRO_ENABLE = yes
diff --git a/keyboards/mechlovin/hannah910/rev1/rules.mk b/keyboards/mechlovin/hannah910/rev1/rules.mk
index 90bd2b3a68..ef99535226 100644
--- a/keyboards/mechlovin/hannah910/rev1/rules.mk
+++ b/keyboards/mechlovin/hannah910/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mechlovin/infinityce/rules.mk b/keyboards/mechlovin/infinityce/rules.mk
index 41d22b66a6..2c761bba40 100644
--- a/keyboards/mechlovin/infinityce/rules.mk
+++ b/keyboards/mechlovin/infinityce/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mechlovin/pisces/rules.mk b/keyboards/mechlovin/pisces/rules.mk
index acbf5c7b13..77c6bbf397 100644
--- a/keyboards/mechlovin/pisces/rules.mk
+++ b/keyboards/mechlovin/pisces/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mechmini/v1/rules.mk b/keyboards/mechmini/v1/rules.mk
index 553fe954c3..8560b6a298 100644
--- a/keyboards/mechmini/v1/rules.mk
+++ b/keyboards/mechmini/v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# build options
diff --git a/keyboards/mechmini/v2/rules.mk b/keyboards/mechmini/v2/rules.mk
index ff282b33ad..ea32c0ce70 100755
--- a/keyboards/mechmini/v2/rules.mk
+++ b/keyboards/mechmini/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mehkee96/rules.mk b/keyboards/mehkee96/rules.mk
index e7e038a700..75b25b87f2 100644
--- a/keyboards/mehkee96/rules.mk
+++ b/keyboards/mehkee96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/meira/rules.mk b/keyboards/meira/rules.mk
index 0c7c33c0fc..1d6aacdaa3 100644
--- a/keyboards/meira/rules.mk
+++ b/keyboards/meira/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/meishi/rules.mk b/keyboards/meishi/rules.mk
index 8dee3ba8b5..ea085fddd0 100644
--- a/keyboards/meishi/rules.mk
+++ b/keyboards/meishi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/meishi2/rules.mk b/keyboards/meishi2/rules.mk
index a684ff876a..8c574d9960 100644
--- a/keyboards/meishi2/rules.mk
+++ b/keyboards/meishi2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/melody96/rules.mk b/keyboards/melody96/rules.mk
index 485f8759cb..89557e4ea7 100644
--- a/keyboards/melody96/rules.mk
+++ b/keyboards/melody96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/meme/rules.mk b/keyboards/meme/rules.mk
index a5b2c38775..ab09528a60 100644
--- a/keyboards/meme/rules.mk
+++ b/keyboards/meme/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/meson/rules.mk b/keyboards/meson/rules.mk
index 41cb672c0e..ababd80154 100644
--- a/keyboards/meson/rules.mk
+++ b/keyboards/meson/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/metamechs/timberwolf/rules.mk b/keyboards/metamechs/timberwolf/rules.mk
index d622753636..db108cda06 100644
--- a/keyboards/metamechs/timberwolf/rules.mk
+++ b/keyboards/metamechs/timberwolf/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/miller/gm862/rules.mk b/keyboards/miller/gm862/rules.mk
index abad180c8b..a655bb3349 100644
--- a/keyboards/miller/gm862/rules.mk
+++ b/keyboards/miller/gm862/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/miniaxe/rules.mk b/keyboards/miniaxe/rules.mk
index 3c50574f21..55b04e1384 100644
--- a/keyboards/miniaxe/rules.mk
+++ b/keyboards/miniaxe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/minidox/rules.mk b/keyboards/minidox/rules.mk
index e53052751e..51db984dbc 100644
--- a/keyboards/minidox/rules.mk
+++ b/keyboards/minidox/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/mint60/rules.mk b/keyboards/mint60/rules.mk
index 71e2b24955..9fb07f7da9 100644
--- a/keyboards/mint60/rules.mk
+++ b/keyboards/mint60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/mitosis/rules.mk b/keyboards/mitosis/rules.mk
index 456b9a6aa9..02c042a4e4 100644
--- a/keyboards/mitosis/rules.mk
+++ b/keyboards/mitosis/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/miuni32/rules.mk b/keyboards/miuni32/rules.mk
index fb361c4a66..8c608fbc9e 100644
--- a/keyboards/miuni32/rules.mk
+++ b/keyboards/miuni32/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mixi/rules.mk b/keyboards/mixi/rules.mk
index 9cdce462a0..8bb4aa970e 100644
--- a/keyboards/mixi/rules.mk
+++ b/keyboards/mixi/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/montsinger/rebound/rev1/rules.mk b/keyboards/montsinger/rebound/rev1/rules.mk
index e57f62a577..28482770cd 100644
--- a/keyboards/montsinger/rebound/rev1/rules.mk
+++ b/keyboards/montsinger/rebound/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/montsinger/rebound/rev2/rules.mk b/keyboards/montsinger/rebound/rev2/rules.mk
index 3bd114815c..28db443c1a 100644
--- a/keyboards/montsinger/rebound/rev2/rules.mk
+++ b/keyboards/montsinger/rebound/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/montsinger/rebound/rev3/rules.mk b/keyboards/montsinger/rebound/rev3/rules.mk
index 3bd114815c..28db443c1a 100644
--- a/keyboards/montsinger/rebound/rev3/rules.mk
+++ b/keyboards/montsinger/rebound/rev3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/montsinger/rebound/rev4/rules.mk b/keyboards/montsinger/rebound/rev4/rules.mk
index 9d9d7aec5e..69d6bb0ec7 100644
--- a/keyboards/montsinger/rebound/rev4/rules.mk
+++ b/keyboards/montsinger/rebound/rev4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/montsinger/rewind/rules.mk b/keyboards/montsinger/rewind/rules.mk
index e3c260839f..47d4ecdfa6 100644
--- a/keyboards/montsinger/rewind/rules.mk
+++ b/keyboards/montsinger/rewind/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/moon/rules.mk b/keyboards/moon/rules.mk
index d5dc29e23a..5ea24952f3 100644
--- a/keyboards/moon/rules.mk
+++ b/keyboards/moon/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/mountainblocks/mb17/rules.mk b/keyboards/mountainblocks/mb17/rules.mk
index 1448508c25..134de5a224 100644
--- a/keyboards/mountainblocks/mb17/rules.mk
+++ b/keyboards/mountainblocks/mb17/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/mt40/rules.mk b/keyboards/mt40/rules.mk
index 4248e1a9fa..bb092970fa 100644
--- a/keyboards/mt40/rules.mk
+++ b/keyboards/mt40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/mt980/rules.mk b/keyboards/mt980/rules.mk
index b0e607e7d8..d5af1faeb2 100644
--- a/keyboards/mt980/rules.mk
+++ b/keyboards/mt980/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/murcielago/rev1/rules.mk b/keyboards/murcielago/rev1/rules.mk
index bb77ecbf2f..f3fff23cf6 100644
--- a/keyboards/murcielago/rev1/rules.mk
+++ b/keyboards/murcielago/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nafuda/rules.mk b/keyboards/nafuda/rules.mk
index 7f6c9381d5..a37f870031 100644
--- a/keyboards/nafuda/rules.mk
+++ b/keyboards/nafuda/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/naked48/rules.mk b/keyboards/naked48/rules.mk
index f7df043b35..3154c69325 100644
--- a/keyboards/naked48/rules.mk
+++ b/keyboards/naked48/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/naked64/rules.mk b/keyboards/naked64/rules.mk
index da3ec7cba3..0a61b96988 100644
--- a/keyboards/naked64/rules.mk
+++ b/keyboards/naked64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/namecard2x4/rules.mk b/keyboards/namecard2x4/rules.mk
index f969bbbb69..979481d710 100644
--- a/keyboards/namecard2x4/rules.mk
+++ b/keyboards/namecard2x4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/navi10/rev0/rules.mk b/keyboards/navi10/rev0/rules.mk
index 9675473961..d8bfdcb4e3 100644
--- a/keyboards/navi10/rev0/rules.mk
+++ b/keyboards/navi10/rev0/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/navi10/rev2/rules.mk b/keyboards/navi10/rev2/rules.mk
index 9675473961..d8bfdcb4e3 100644
--- a/keyboards/navi10/rev2/rules.mk
+++ b/keyboards/navi10/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/navi10/rev3/rules.mk b/keyboards/navi10/rev3/rules.mk
index 61b2452eda..6089f3060d 100644
--- a/keyboards/navi10/rev3/rules.mk
+++ b/keyboards/navi10/rev3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ncc1701kb/rules.mk b/keyboards/ncc1701kb/rules.mk
index d7f65a7ec1..ae7e483863 100644
--- a/keyboards/ncc1701kb/rules.mk
+++ b/keyboards/ncc1701kb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nek_type_a/rules.mk b/keyboards/nek_type_a/rules.mk
index b137b44780..0f13c245fc 100644
--- a/keyboards/nek_type_a/rules.mk
+++ b/keyboards/nek_type_a/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BOOTMAGIC_ENABLE = no # Enable Bootmagic Lite
diff --git a/keyboards/newgame40/rules.mk b/keyboards/newgame40/rules.mk
index ca508d7b5a..87d565cff4 100644
--- a/keyboards/newgame40/rules.mk
+++ b/keyboards/newgame40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/nightly_boards/alter/rev1/rules.mk b/keyboards/nightly_boards/alter/rev1/rules.mk
index 12710094c3..b57b1de665 100644
--- a/keyboards/nightly_boards/alter/rev1/rules.mk
+++ b/keyboards/nightly_boards/alter/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nightly_boards/n87/rules.mk b/keyboards/nightly_boards/n87/rules.mk
index 18041a47fa..dd4b634742 100644
--- a/keyboards/nightly_boards/n87/rules.mk
+++ b/keyboards/nightly_boards/n87/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nightmare/rules.mk b/keyboards/nightmare/rules.mk
index e28da405c9..cc82793137 100644
--- a/keyboards/nightmare/rules.mk
+++ b/keyboards/nightmare/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/niu_mini/rules.mk b/keyboards/niu_mini/rules.mk
index 7b324cf1fd..8fb2984099 100644
--- a/keyboards/niu_mini/rules.mk
+++ b/keyboards/niu_mini/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nix_studio/oxalys80/rules.mk b/keyboards/nix_studio/oxalys80/rules.mk
index 245bade8fb..c266db8a3e 100644
--- a/keyboards/nix_studio/oxalys80/rules.mk
+++ b/keyboards/nix_studio/oxalys80/rules.mk
@@ -1,6 +1,7 @@
# MCU name
MCU = atmega32u4
+# Bootloader selection
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nomu30/rev1/rules.mk b/keyboards/nomu30/rev1/rules.mk
index 7f143c7998..3e8c725b34 100644
--- a/keyboards/nomu30/rev1/rules.mk
+++ b/keyboards/nomu30/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/nomu30/rev2/rules.mk b/keyboards/nomu30/rev2/rules.mk
index 7693160035..a241d366dc 100644
--- a/keyboards/nomu30/rev2/rules.mk
+++ b/keyboards/nomu30/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/nopunin10did/jabberwocky/rules.mk b/keyboards/nopunin10did/jabberwocky/rules.mk
index f31a1e693e..efca6bac6d 100644
--- a/keyboards/nopunin10did/jabberwocky/rules.mk
+++ b/keyboards/nopunin10did/jabberwocky/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
+# Bootloader selection
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/novelpad/rules.mk b/keyboards/novelpad/rules.mk
index b361505742..b7c7db4b93 100755
--- a/keyboards/novelpad/rules.mk
+++ b/keyboards/novelpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/220/rules.mk b/keyboards/noxary/220/rules.mk
index d6cc497240..3bb046ba0f 100644
--- a/keyboards/noxary/220/rules.mk
+++ b/keyboards/noxary/220/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/260/rules.mk b/keyboards/noxary/260/rules.mk
index 7053225dba..7e9f3eb0e1 100644
--- a/keyboards/noxary/260/rules.mk
+++ b/keyboards/noxary/260/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/268/rules.mk b/keyboards/noxary/268/rules.mk
index fcd8c566c8..82bd827ae3 100644
--- a/keyboards/noxary/268/rules.mk
+++ b/keyboards/noxary/268/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/268_2/rules.mk b/keyboards/noxary/268_2/rules.mk
index ecd9c7d001..f6fa6e2680 100644
--- a/keyboards/noxary/268_2/rules.mk
+++ b/keyboards/noxary/268_2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/280/rules.mk b/keyboards/noxary/280/rules.mk
index 6b61a0d438..ffa00cfd90 100644
--- a/keyboards/noxary/280/rules.mk
+++ b/keyboards/noxary/280/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/noxary/x268/rules.mk b/keyboards/noxary/x268/rules.mk
index 5b465241ac..5b53ab798c 100644
--- a/keyboards/noxary/x268/rules.mk
+++ b/keyboards/noxary/x268/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/numatreus/rules.mk b/keyboards/numatreus/rules.mk
index 304e74175f..1dd016ab0d 100644
--- a/keyboards/numatreus/rules.mk
+++ b/keyboards/numatreus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/oddball/v1/rules.mk b/keyboards/oddball/v1/rules.mk
index afd5321616..e4320fb125 100644
--- a/keyboards/oddball/v1/rules.mk
+++ b/keyboards/oddball/v1/rules.mk
@@ -1,2 +1,2 @@
-# Teensy 2.0
+# Bootloader selection
BOOTLOADER = halfkay
diff --git a/keyboards/oddball/v2/rules.mk b/keyboards/oddball/v2/rules.mk
index 94a167143c..8b8ada3d9d 100644
--- a/keyboards/oddball/v2/rules.mk
+++ b/keyboards/oddball/v2/rules.mk
@@ -1,2 +1,2 @@
-# Elite C
+# Bootloader selection
BOOTLOADER = qmk-dfu
diff --git a/keyboards/oddball/v2_1/rules.mk b/keyboards/oddball/v2_1/rules.mk
index 94a167143c..8b8ada3d9d 100644
--- a/keyboards/oddball/v2_1/rules.mk
+++ b/keyboards/oddball/v2_1/rules.mk
@@ -1,2 +1,2 @@
-# Elite C
+# Bootloader selection
BOOTLOADER = qmk-dfu
diff --git a/keyboards/oddforge/vea/rules.mk b/keyboards/oddforge/vea/rules.mk
index 6a675855d5..1773d2a3fe 100644
--- a/keyboards/oddforge/vea/rules.mk
+++ b/keyboards/oddforge/vea/rules.mk
@@ -1,5 +1,7 @@
# MCU name
MCU = atmega32a
+
+# Bootloader selection
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/ogre/ergo_single/rules.mk b/keyboards/ogre/ergo_single/rules.mk
index b2cdf8f90a..c525e323f1 100644
--- a/keyboards/ogre/ergo_single/rules.mk
+++ b/keyboards/ogre/ergo_single/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ogre/ergo_split/rules.mk b/keyboards/ogre/ergo_split/rules.mk
index 98202855fd..7c1ed9626c 100644
--- a/keyboards/ogre/ergo_split/rules.mk
+++ b/keyboards/ogre/ergo_split/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/ok60/rules.mk b/keyboards/ok60/rules.mk
index c7555c0ea9..1b6a9b6cd5 100644
--- a/keyboards/ok60/rules.mk
+++ b/keyboards/ok60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/omnikey_bh/rules.mk b/keyboards/omnikey_bh/rules.mk
index 760d60150a..635cab9537 100644
--- a/keyboards/omnikey_bh/rules.mk
+++ b/keyboards/omnikey_bh/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/omnikeyish/rules.mk b/keyboards/omnikeyish/rules.mk
index a49fac251a..a80b9c8a9e 100644
--- a/keyboards/omnikeyish/rules.mk
+++ b/keyboards/omnikeyish/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/orange75/rules.mk b/keyboards/orange75/rules.mk
index f90236e185..679653ffbb 100644
--- a/keyboards/orange75/rules.mk
+++ b/keyboards/orange75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/org60/rules.mk b/keyboards/org60/rules.mk
index 3ffe42f613..6c2ea4302f 100644
--- a/keyboards/org60/rules.mk
+++ b/keyboards/org60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ortho5by12/rules.mk b/keyboards/ortho5by12/rules.mk
index 602219654f..a7bdb87020 100644
--- a/keyboards/ortho5by12/rules.mk
+++ b/keyboards/ortho5by12/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega328p
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# atmega32a bootloadHID
-# ATmega328P USBasp
BOOTLOADER = USBasp
# Build Options
diff --git a/keyboards/orthodox/rev1/rules.mk b/keyboards/orthodox/rev1/rules.mk
index 8daa5f5ecb..e0c0df2de2 100644
--- a/keyboards/orthodox/rev1/rules.mk
+++ b/keyboards/orthodox/rev1/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BACKLIGHT_ENABLE = no
diff --git a/keyboards/orthodox/rev3/rules.mk b/keyboards/orthodox/rev3/rules.mk
index 8daa5f5ecb..e0c0df2de2 100644
--- a/keyboards/orthodox/rev3/rules.mk
+++ b/keyboards/orthodox/rev3/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BACKLIGHT_ENABLE = no
diff --git a/keyboards/orthodox/rev3_teensy/rules.mk b/keyboards/orthodox/rev3_teensy/rules.mk
index cbd79cccde..ad8482a3df 100644
--- a/keyboards/orthodox/rev3_teensy/rules.mk
+++ b/keyboards/orthodox/rev3_teensy/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
BACKLIGHT_ENABLE = no
diff --git a/keyboards/otaku_split/rev0/rules.mk b/keyboards/otaku_split/rev0/rules.mk
index 9b391f6698..5de4e87408 100644
--- a/keyboards/otaku_split/rev0/rules.mk
+++ b/keyboards/otaku_split/rev0/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/otaku_split/rev1/rules.mk b/keyboards/otaku_split/rev1/rules.mk
index 9b391f6698..5de4e87408 100644
--- a/keyboards/otaku_split/rev1/rules.mk
+++ b/keyboards/otaku_split/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/owlab/jelly_epoch/hotswap/rules.mk b/keyboards/owlab/jelly_epoch/hotswap/rules.mk
index ada20ce949..4b060d35a8 100644
--- a/keyboards/owlab/jelly_epoch/hotswap/rules.mk
+++ b/keyboards/owlab/jelly_epoch/hotswap/rules.mk
@@ -1,4 +1,4 @@
-# MCU name
+# MCU name
MCU = STM32F303
# Bootloader selection
diff --git a/keyboards/owlab/jelly_epoch/soldered/rules.mk b/keyboards/owlab/jelly_epoch/soldered/rules.mk
index ada20ce949..4b060d35a8 100644
--- a/keyboards/owlab/jelly_epoch/soldered/rules.mk
+++ b/keyboards/owlab/jelly_epoch/soldered/rules.mk
@@ -1,4 +1,4 @@
-# MCU name
+# MCU name
MCU = STM32F303
# Bootloader selection
diff --git a/keyboards/pabile/p18/rules.mk b/keyboards/pabile/p18/rules.mk
index e46c16a8db..de94662eb2 100644
--- a/keyboards/pabile/p18/rules.mk
+++ b/keyboards/pabile/p18/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/pabile/p40/rules.mk b/keyboards/pabile/p40/rules.mk
index 07098307c2..396904c274 100644
--- a/keyboards/pabile/p40/rules.mk
+++ b/keyboards/pabile/p40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/paladin64/rules.mk b/keyboards/paladin64/rules.mk
index 6651a7918b..b25ab43119 100755
--- a/keyboards/paladin64/rules.mk
+++ b/keyboards/paladin64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/palette1202/rules.mk b/keyboards/palette1202/rules.mk
index ddf248a074..6f4bb83679 100644
--- a/keyboards/palette1202/rules.mk
+++ b/keyboards/palette1202/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/panc40/rules.mk b/keyboards/panc40/rules.mk
index 925c7bfdcf..e281723a77 100644
--- a/keyboards/panc40/rules.mk
+++ b/keyboards/panc40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/panc60/rules.mk b/keyboards/panc60/rules.mk
index 589008cbce..1d0118a78c 100644
--- a/keyboards/panc60/rules.mk
+++ b/keyboards/panc60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/pdxkbc/rules.mk b/keyboards/pdxkbc/rules.mk
index 6e747adc49..a0195912b2 100644
--- a/keyboards/pdxkbc/rules.mk
+++ b/keyboards/pdxkbc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/pearl/rules.mk b/keyboards/pearl/rules.mk
index fe033da5e7..adc0c7c1b3 100644
--- a/keyboards/pearl/rules.mk
+++ b/keyboards/pearl/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/percent/booster/rules.mk b/keyboards/percent/booster/rules.mk
index b086794113..f0fc4affb5 100644
--- a/keyboards/percent/booster/rules.mk
+++ b/keyboards/percent/booster/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/percent/canoe/rules.mk b/keyboards/percent/canoe/rules.mk
index e96b97435f..ce66972bed 100644
--- a/keyboards/percent/canoe/rules.mk
+++ b/keyboards/percent/canoe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/percent/skog/rules.mk b/keyboards/percent/skog/rules.mk
index 186e251b12..1f74c86678 100644
--- a/keyboards/percent/skog/rules.mk
+++ b/keyboards/percent/skog/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/percent/skog_lite/rules.mk b/keyboards/percent/skog_lite/rules.mk
index cfe7843936..b4bbd4a533 100644
--- a/keyboards/percent/skog_lite/rules.mk
+++ b/keyboards/percent/skog_lite/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/pico/rules.mk b/keyboards/pico/rules.mk
index 9f4f1a5286..d497e72329 100644
--- a/keyboards/pico/rules.mk
+++ b/keyboards/pico/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/planck/light/rules.mk b/keyboards/planck/light/rules.mk
index 10e9f0b29a..34cded3e3b 100644
--- a/keyboards/planck/light/rules.mk
+++ b/keyboards/planck/light/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/planck/rev1/rules.mk b/keyboards/planck/rev1/rules.mk
index 30fcd12840..e1deee6343 100644
--- a/keyboards/planck/rev1/rules.mk
+++ b/keyboards/planck/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/planck/rev2/rules.mk b/keyboards/planck/rev2/rules.mk
index 30fcd12840..e1deee6343 100644
--- a/keyboards/planck/rev2/rules.mk
+++ b/keyboards/planck/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/planck/rev3/rules.mk b/keyboards/planck/rev3/rules.mk
index 30fcd12840..e1deee6343 100644
--- a/keyboards/planck/rev3/rules.mk
+++ b/keyboards/planck/rev3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/planck/rev4/rules.mk b/keyboards/planck/rev4/rules.mk
index 2f988ebbeb..8ad5fb920a 100644
--- a/keyboards/planck/rev4/rules.mk
+++ b/keyboards/planck/rev4/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/planck/rev5/rules.mk b/keyboards/planck/rev5/rules.mk
index 5c3284d7ab..c01020f390 100644
--- a/keyboards/planck/rev5/rules.mk
+++ b/keyboards/planck/rev5/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/planck/thk/rules.mk b/keyboards/planck/thk/rules.mk
index ab2e344b10..04ca579c1b 100644
--- a/keyboards/planck/thk/rules.mk
+++ b/keyboards/planck/thk/rules.mk
@@ -15,6 +15,7 @@
# MCU name
MCU = atmega32a
+
# Processor frequency
F_CPU = 16000000
diff --git a/keyboards/playkbtw/ca66/rules.mk b/keyboards/playkbtw/ca66/rules.mk
index 485f8759cb..89557e4ea7 100644
--- a/keyboards/playkbtw/ca66/rules.mk
+++ b/keyboards/playkbtw/ca66/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/playkbtw/pk60/rules.mk b/keyboards/playkbtw/pk60/rules.mk
index c302a5a490..f8416044b9 100644
--- a/keyboards/playkbtw/pk60/rules.mk
+++ b/keyboards/playkbtw/pk60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/preonic/rev1/rules.mk b/keyboards/preonic/rev1/rules.mk
index 5f9cd5200e..25c4ffdb80 100644
--- a/keyboards/preonic/rev1/rules.mk
+++ b/keyboards/preonic/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/preonic/rev2/rules.mk b/keyboards/preonic/rev2/rules.mk
index 00db8cc395..b4a4086d68 100644
--- a/keyboards/preonic/rev2/rules.mk
+++ b/keyboards/preonic/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/primekb/prime_e/rules.mk b/keyboards/primekb/prime_e/rules.mk
index 9b37592634..51a79e1a33 100644
--- a/keyboards/primekb/prime_e/rules.mk
+++ b/keyboards/primekb/prime_e/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/primekb/prime_l/rules.mk b/keyboards/primekb/prime_l/rules.mk
index 7ae142c831..b16df1f295 100644
--- a/keyboards/primekb/prime_l/rules.mk
+++ b/keyboards/primekb/prime_l/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/primekb/prime_m/rules.mk b/keyboards/primekb/prime_m/rules.mk
index f2d849b07f..9c17b6ec41 100644
--- a/keyboards/primekb/prime_m/rules.mk
+++ b/keyboards/primekb/prime_m/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/primekb/prime_o/rules.mk b/keyboards/primekb/prime_o/rules.mk
index e8dde0f855..f2f1b1b782 100644
--- a/keyboards/primekb/prime_o/rules.mk
+++ b/keyboards/primekb/prime_o/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/primekb/prime_r/rules.mk b/keyboards/primekb/prime_r/rules.mk
index bec9b6dcdd..8450077342 100644
--- a/keyboards/primekb/prime_r/rules.mk
+++ b/keyboards/primekb/prime_r/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/puck/rules.mk b/keyboards/puck/rules.mk
index 2c7de6f600..ae3c76ff9f 100644
--- a/keyboards/puck/rules.mk
+++ b/keyboards/puck/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/quad_h/lb75/rules.mk b/keyboards/quad_h/lb75/rules.mk
index 17b9d61e10..610193a320 100644
--- a/keyboards/quad_h/lb75/rules.mk
+++ b/keyboards/quad_h/lb75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/quantrik/kyuu/rules.mk b/keyboards/quantrik/kyuu/rules.mk
index e7b73f7f93..40c0c1b9da 100644
--- a/keyboards/quantrik/kyuu/rules.mk
+++ b/keyboards/quantrik/kyuu/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/rabbit/rabbit68/rules.mk b/keyboards/rabbit/rabbit68/rules.mk
index 8597359c91..41b591eff4 100644
--- a/keyboards/rabbit/rabbit68/rules.mk
+++ b/keyboards/rabbit/rabbit68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/rart/rart67/rules.mk b/keyboards/rart/rart67/rules.mk
index efa7a821eb..b2645dbdff 100644
--- a/keyboards/rart/rart67/rules.mk
+++ b/keyboards/rart/rart67/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/rart/rart75/rules.mk b/keyboards/rart/rart75/rules.mk
index 786fe09ec8..fdff8f17da 100644
--- a/keyboards/rart/rart75/rules.mk
+++ b/keyboards/rart/rart75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/rart/rartpad/rules.mk b/keyboards/rart/rartpad/rules.mk
index a9465c0f0a..683a8fd348 100644
--- a/keyboards/rart/rartpad/rules.mk
+++ b/keyboards/rart/rartpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/redox/rules.mk b/keyboards/redox/rules.mk
index 01c723f3e6..a33dc405dc 100644
--- a/keyboards/redox/rules.mk
+++ b/keyboards/redox/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/redox_w/rules.mk b/keyboards/redox_w/rules.mk
index 7d69575ef8..441d0d09ca 100644
--- a/keyboards/redox_w/rules.mk
+++ b/keyboards/redox_w/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/redscarf_i/rules.mk b/keyboards/redscarf_i/rules.mk
index c93ca43403..56e84166fa 100644
--- a/keyboards/redscarf_i/rules.mk
+++ b/keyboards/redscarf_i/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/redscarf_iiplus/verb/rules.mk b/keyboards/redscarf_iiplus/verb/rules.mk
index f35f8b1a4c..94dd9618f5 100755
--- a/keyboards/redscarf_iiplus/verb/rules.mk
+++ b/keyboards/redscarf_iiplus/verb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/redscarf_iiplus/verc/rules.mk b/keyboards/redscarf_iiplus/verc/rules.mk
index 8310f5bf03..e5cc93aec1 100755
--- a/keyboards/redscarf_iiplus/verc/rules.mk
+++ b/keyboards/redscarf_iiplus/verc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/redscarf_iiplus/verd/rules.mk b/keyboards/redscarf_iiplus/verd/rules.mk
index f9305e0495..b9a7c02ea8 100644
--- a/keyboards/redscarf_iiplus/verd/rules.mk
+++ b/keyboards/redscarf_iiplus/verd/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/reversestudio/decadepad/rules.mk b/keyboards/reversestudio/decadepad/rules.mk
index 9999867839..282514675f 100644
--- a/keyboards/reversestudio/decadepad/rules.mk
+++ b/keyboards/reversestudio/decadepad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/reviung34/rules.mk b/keyboards/reviung34/rules.mk
index 3395f04fe3..5c57255a9c 100755
--- a/keyboards/reviung34/rules.mk
+++ b/keyboards/reviung34/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/reviung39/rules.mk b/keyboards/reviung39/rules.mk
index 3395f04fe3..5c57255a9c 100644
--- a/keyboards/reviung39/rules.mk
+++ b/keyboards/reviung39/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/reviung41/rules.mk b/keyboards/reviung41/rules.mk
index d196d80cfd..6b5c7dd767 100644
--- a/keyboards/reviung41/rules.mk
+++ b/keyboards/reviung41/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/rgbkb/sol/rules.mk b/keyboards/rgbkb/sol/rules.mk
index e3d3953df6..762b5fa891 100644
--- a/keyboards/rgbkb/sol/rules.mk
+++ b/keyboards/rgbkb/sol/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Custom local font file
diff --git a/keyboards/rgbkb/zen/rev1/rules.mk b/keyboards/rgbkb/zen/rev1/rules.mk
index 58e9a76b23..e69de29bb2 100644
--- a/keyboards/rgbkb/zen/rev1/rules.mk
+++ b/keyboards/rgbkb/zen/rev1/rules.mk
@@ -1 +0,0 @@
-BOOTLOADER = caterina
diff --git a/keyboards/rgbkb/zen/rules.mk b/keyboards/rgbkb/zen/rules.mk
index 4da70baa41..c18c84be54 100644
--- a/keyboards/rgbkb/zen/rules.mk
+++ b/keyboards/rgbkb/zen/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
ifeq ($(strip $(CTPC)), yes)
diff --git a/keyboards/rgbkb/zygomorph/rules.mk b/keyboards/rgbkb/zygomorph/rules.mk
index 8da0394cee..3194ae6c34 100644
--- a/keyboards/rgbkb/zygomorph/rules.mk
+++ b/keyboards/rgbkb/zygomorph/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/rotr/rules.mk b/keyboards/rotr/rules.mk
index 3fcc6565f5..d2daa97122 100644
--- a/keyboards/rotr/rules.mk
+++ b/keyboards/rotr/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/runner3680/rules.mk b/keyboards/runner3680/rules.mk
index 02db5fc833..832d88c8f4 100644
--- a/keyboards/runner3680/rules.mk
+++ b/keyboards/runner3680/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/scarletbandana/rules.mk b/keyboards/scarletbandana/rules.mk
index a5d9a48a13..77d220a9be 100644
--- a/keyboards/scarletbandana/rules.mk
+++ b/keyboards/scarletbandana/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sck/gtm/rules.mk b/keyboards/sck/gtm/rules.mk
index e383faf079..a0f503ea6f 100644
--- a/keyboards/sck/gtm/rules.mk
+++ b/keyboards/sck/gtm/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sck/m0116b/rules.mk b/keyboards/sck/m0116b/rules.mk
index 00a0c32a3e..264687f769 100644
--- a/keyboards/sck/m0116b/rules.mk
+++ b/keyboards/sck/m0116b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sck/neiso/rules.mk b/keyboards/sck/neiso/rules.mk
index 25956d09f3..bfdf46f6c4 100644
--- a/keyboards/sck/neiso/rules.mk
+++ b/keyboards/sck/neiso/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/sck/osa/rules.mk b/keyboards/sck/osa/rules.mk
index d73d9bffc0..0311dde570 100644
--- a/keyboards/sck/osa/rules.mk
+++ b/keyboards/sck/osa/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/scythe/rules.mk b/keyboards/scythe/rules.mk
index 3304c103db..5a47c5e9ab 100644
--- a/keyboards/scythe/rules.mk
+++ b/keyboards/scythe/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sentraq/number_pad/rules.mk b/keyboards/sentraq/number_pad/rules.mk
index ac57f9939b..fb3421d896 100644
--- a/keyboards/sentraq/number_pad/rules.mk
+++ b/keyboards/sentraq/number_pad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sentraq/s60_x/default/rules.mk b/keyboards/sentraq/s60_x/default/rules.mk
index 7dd95d8d63..01f52968aa 100644
--- a/keyboards/sentraq/s60_x/default/rules.mk
+++ b/keyboards/sentraq/s60_x/default/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sentraq/s60_x/rgb/rules.mk b/keyboards/sentraq/s60_x/rgb/rules.mk
index e6314c8519..9495cd8f03 100644
--- a/keyboards/sentraq/s60_x/rgb/rules.mk
+++ b/keyboards/sentraq/s60_x/rgb/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sentraq/s65_plus/rules.mk b/keyboards/sentraq/s65_plus/rules.mk
index 3888bb7ed5..2725976536 100644
--- a/keyboards/sentraq/s65_plus/rules.mk
+++ b/keyboards/sentraq/s65_plus/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sentraq/s65_x/rules.mk b/keyboards/sentraq/s65_x/rules.mk
index 5fe828a7f0..1b279ed39d 100644
--- a/keyboards/sentraq/s65_x/rules.mk
+++ b/keyboards/sentraq/s65_x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/setta21/rules.mk b/keyboards/setta21/rules.mk
index 6085e5cf1c..2435034a7d 100644
--- a/keyboards/setta21/rules.mk
+++ b/keyboards/setta21/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/shambles/rules.mk b/keyboards/shambles/rules.mk
index 97fd0ba99c..46681c3ac2 100644
--- a/keyboards/shambles/rules.mk
+++ b/keyboards/shambles/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/shiro/rules.mk b/keyboards/shiro/rules.mk
index a684ff876a..8c574d9960 100644
--- a/keyboards/shiro/rules.mk
+++ b/keyboards/shiro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/sidderskb/majbritt/rev1/rules.mk b/keyboards/sidderskb/majbritt/rev1/rules.mk
index 6b80c55efa..d8b4dedd14 100644
--- a/keyboards/sidderskb/majbritt/rev1/rules.mk
+++ b/keyboards/sidderskb/majbritt/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/signum/3_0/elitec/rules.mk b/keyboards/signum/3_0/elitec/rules.mk
index 585f67b122..65714ef39d 100644
--- a/keyboards/signum/3_0/elitec/rules.mk
+++ b/keyboards/signum/3_0/elitec/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/silverbullet44/rules.mk b/keyboards/silverbullet44/rules.mk
index 357a16c331..24337563c8 100644
--- a/keyboards/silverbullet44/rules.mk
+++ b/keyboards/silverbullet44/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/singa/rules.mk b/keyboards/singa/rules.mk
index b5853beabe..fa79d9e817 100644
--- a/keyboards/singa/rules.mk
+++ b/keyboards/singa/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/sixkeyboard/rules.mk b/keyboards/sixkeyboard/rules.mk
index 60c2a4cc83..360ef3c844 100644
--- a/keyboards/sixkeyboard/rules.mk
+++ b/keyboards/sixkeyboard/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega16u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/smk60/rules.mk b/keyboards/smk60/rules.mk
index 2d390bac96..fe5ba90f8d 100644
--- a/keyboards/smk60/rules.mk
+++ b/keyboards/smk60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/snampad/rules.mk b/keyboards/snampad/rules.mk
index 4972b9e602..bdb0295e45 100644
--- a/keyboards/snampad/rules.mk
+++ b/keyboards/snampad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/sofle/rules.mk b/keyboards/sofle/rules.mk
index 8009f4625c..8744590a0d 100644
--- a/keyboards/sofle/rules.mk
+++ b/keyboards/sofle/rules.mk
@@ -1,5 +1,9 @@
+# MCU name
MCU = atmega32u4
+
+# Bootloader selection
BOOTLOADER = caterina
+
SPLIT_KEYBOARD = yes
DEFAULT_FOLDER = sofle/rev1
SWAP_HANDS_ENABLE = yes
diff --git a/keyboards/southpole/rules.mk b/keyboards/southpole/rules.mk
index dec3684ce9..c43c083b77 100644
--- a/keyboards/southpole/rules.mk
+++ b/keyboards/southpole/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/spaceman/2_milk/rules.mk b/keyboards/spaceman/2_milk/rules.mk
index 865303eded..30b6073636 100644
--- a/keyboards/spaceman/2_milk/rules.mk
+++ b/keyboards/spaceman/2_milk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/spaceman/pancake/rev1/feather/rules.mk b/keyboards/spaceman/pancake/rev1/feather/rules.mk
index 993388ffb6..b749dc2327 100644
--- a/keyboards/spaceman/pancake/rev1/feather/rules.mk
+++ b/keyboards/spaceman/pancake/rev1/feather/rules.mk
@@ -5,13 +5,6 @@ MCU = atmega32u4
F_CPU = 8000000
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/spaceman/pancake/rev1/promicro/rules.mk b/keyboards/spaceman/pancake/rev1/promicro/rules.mk
index 5669ee955b..c50dff2f48 100644
--- a/keyboards/spaceman/pancake/rev1/promicro/rules.mk
+++ b/keyboards/spaceman/pancake/rev1/promicro/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/spaceman/yun65/rules.mk b/keyboards/spaceman/yun65/rules.mk
index 283d3cb0a7..c635b45e55 100644
--- a/keyboards/spaceman/yun65/rules.mk
+++ b/keyboards/spaceman/yun65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/spacetime/rules.mk b/keyboards/spacetime/rules.mk
index 560a2859e3..4307083e58 100644
--- a/keyboards/spacetime/rules.mk
+++ b/keyboards/spacetime/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/splitish/rules.mk b/keyboards/splitish/rules.mk
index df89d22c0f..c7af000183 100644
--- a/keyboards/splitish/rules.mk
+++ b/keyboards/splitish/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
BOOTMAGIC_ENABLE = lite # Enable Bootmagic Lite
diff --git a/keyboards/splitreus62/rules.mk b/keyboards/splitreus62/rules.mk
index fb6ae65f42..70db0b85d0 100644
--- a/keyboards/splitreus62/rules.mk
+++ b/keyboards/splitreus62/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/squiggle/rev1/rules.mk b/keyboards/squiggle/rev1/rules.mk
index 277c3612f1..7440313545 100644
--- a/keyboards/squiggle/rev1/rules.mk
+++ b/keyboards/squiggle/rev1/rules.mk
@@ -1,6 +1,7 @@
# MCU name
MCU = atmega32u4
+# Bootloader selection
BOOTLOADER = caterina
BOOTMAGIC_ENABLE = no # Enable Bootmagic Lite
diff --git a/keyboards/standaside/rules.mk b/keyboards/standaside/rules.mk
index 78ad779f12..e5fa5cd465 100644
--- a/keyboards/standaside/rules.mk
+++ b/keyboards/standaside/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/subatomic/rules.mk b/keyboards/subatomic/rules.mk
index 95af9210e9..e24013c944 100644
--- a/keyboards/subatomic/rules.mk
+++ b/keyboards/subatomic/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/suihankey/rules.mk b/keyboards/suihankey/rules.mk
index dc4b5b83ae..091fb0deb4 100644
--- a/keyboards/suihankey/rules.mk
+++ b/keyboards/suihankey/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/switchplate/southpaw_65/rules.mk b/keyboards/switchplate/southpaw_65/rules.mk
index f257d8c866..b44e0865b9 100644
--- a/keyboards/switchplate/southpaw_65/rules.mk
+++ b/keyboards/switchplate/southpaw_65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/switchplate/southpaw_fullsize/rules.mk b/keyboards/switchplate/southpaw_fullsize/rules.mk
index 2c585cc9a4..468a271e44 100644
--- a/keyboards/switchplate/southpaw_fullsize/rules.mk
+++ b/keyboards/switchplate/southpaw_fullsize/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/sx60/rules.mk b/keyboards/sx60/rules.mk
index 1550b65c16..a8c067cf0c 100755
--- a/keyboards/sx60/rules.mk
+++ b/keyboards/sx60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/tada68/rules.mk b/keyboards/tada68/rules.mk
index 7ccc893ea7..b50086761a 100755
--- a/keyboards/tada68/rules.mk
+++ b/keyboards/tada68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = lufa-ms
# This board uses the older unsafe 6k version of lufa-ms
diff --git a/keyboards/tanuki/rules.mk b/keyboards/tanuki/rules.mk
index 4b656bbed6..fdcbaafeae 100644
--- a/keyboards/tanuki/rules.mk
+++ b/keyboards/tanuki/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/tenki/rules.mk b/keyboards/tenki/rules.mk
index 76ca49038d..bb94964d6f 100644
--- a/keyboards/tenki/rules.mk
+++ b/keyboards/tenki/rules.mk
@@ -2,12 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/tetris/rules.mk b/keyboards/tetris/rules.mk
index 7f5dae3a4e..bbd62100b5 100755
--- a/keyboards/tetris/rules.mk
+++ b/keyboards/tetris/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/tg4x/rules.mk b/keyboards/tg4x/rules.mk
index c0a897f9c1..63703e03f9 100644
--- a/keyboards/tg4x/rules.mk
+++ b/keyboards/tg4x/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/tgr/910/rules.mk b/keyboards/tgr/910/rules.mk
index fe033da5e7..adc0c7c1b3 100644
--- a/keyboards/tgr/910/rules.mk
+++ b/keyboards/tgr/910/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/tgr/910ce/rules.mk b/keyboards/tgr/910ce/rules.mk
index acfe2d76d5..37f5c06fa2 100644
--- a/keyboards/tgr/910ce/rules.mk
+++ b/keyboards/tgr/910ce/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/tgr/alice/rules.mk b/keyboards/tgr/alice/rules.mk
index 6c2e114210..aef9817da5 100644
--- a/keyboards/tgr/alice/rules.mk
+++ b/keyboards/tgr/alice/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/tgr/jane/rules.mk b/keyboards/tgr/jane/rules.mk
index eb43dd7d56..fc297eb60d 100644
--- a/keyboards/tgr/jane/rules.mk
+++ b/keyboards/tgr/jane/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/tgr/tris/rules.mk b/keyboards/tgr/tris/rules.mk
index 96a25c4c18..62943717de 100644
--- a/keyboards/tgr/tris/rules.mk
+++ b/keyboards/tgr/tris/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/the_royal/liminal/rules.mk b/keyboards/the_royal/liminal/rules.mk
index e5317c5358..06306293a3 100644
--- a/keyboards/the_royal/liminal/rules.mk
+++ b/keyboards/the_royal/liminal/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/the_royal/schwann/rules.mk b/keyboards/the_royal/schwann/rules.mk
index 161112e994..30ab038c50 100644
--- a/keyboards/the_royal/schwann/rules.mk
+++ b/keyboards/the_royal/schwann/rules.mk
@@ -2,14 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
-
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/the_ruler/rules.mk b/keyboards/the_ruler/rules.mk
index cb2732495c..5f5897ef9d 100644
--- a/keyboards/the_ruler/rules.mk
+++ b/keyboards/the_ruler/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/the_uni/rules.mk b/keyboards/the_uni/rules.mk
index b4683fe3f5..36c52b6777 100644
--- a/keyboards/the_uni/rules.mk
+++ b/keyboards/the_uni/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
+# Bootloader selection
BOOTLOADER = atmel-dfu
diff --git a/keyboards/thedogkeyboard/rules.mk b/keyboards/thedogkeyboard/rules.mk
index 81dc46e903..790eeb99ef 100644
--- a/keyboards/thedogkeyboard/rules.mk
+++ b/keyboards/thedogkeyboard/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/themadnoodle/ncc1701kb/v2/rules.mk b/keyboards/themadnoodle/ncc1701kb/v2/rules.mk
index 056098732c..7e461bcb30 100644
--- a/keyboards/themadnoodle/ncc1701kb/v2/rules.mk
+++ b/keyboards/themadnoodle/ncc1701kb/v2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/themadnoodle/noodlepad/rules.mk b/keyboards/themadnoodle/noodlepad/rules.mk
index 056098732c..7e461bcb30 100644
--- a/keyboards/themadnoodle/noodlepad/rules.mk
+++ b/keyboards/themadnoodle/noodlepad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/thevankeyboards/bananasplit/rules.mk b/keyboards/thevankeyboards/bananasplit/rules.mk
index fc2c193ef1..459697cb79 100644
--- a/keyboards/thevankeyboards/bananasplit/rules.mk
+++ b/keyboards/thevankeyboards/bananasplit/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/thevankeyboards/caravan/rules.mk b/keyboards/thevankeyboards/caravan/rules.mk
index c78bf4c32c..a9f2dc85e4 100644
--- a/keyboards/thevankeyboards/caravan/rules.mk
+++ b/keyboards/thevankeyboards/caravan/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/thevankeyboards/minivan/rules.mk b/keyboards/thevankeyboards/minivan/rules.mk
index 5e6bfc637b..91183c164f 100644
--- a/keyboards/thevankeyboards/minivan/rules.mk
+++ b/keyboards/thevankeyboards/minivan/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/thevankeyboards/roadkit/rules.mk b/keyboards/thevankeyboards/roadkit/rules.mk
index cc4500379a..848ee0de77 100644
--- a/keyboards/thevankeyboards/roadkit/rules.mk
+++ b/keyboards/thevankeyboards/roadkit/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/tkc/osav2/rules.mk b/keyboards/tkc/osav2/rules.mk
index 835ccebd28..cc911c7f73 100644
--- a/keyboards/tkc/osav2/rules.mk
+++ b/keyboards/tkc/osav2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/tkc/tkc1800/rules.mk b/keyboards/tkc/tkc1800/rules.mk
index 7f169d51a0..ef983141ca 100644
--- a/keyboards/tkc/tkc1800/rules.mk
+++ b/keyboards/tkc/tkc1800/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
# Build Options
diff --git a/keyboards/tmo50/rules.mk b/keyboards/tmo50/rules.mk
index b7253b1886..8fbbb39b18 100644
--- a/keyboards/tmo50/rules.mk
+++ b/keyboards/tmo50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/toad/rules.mk b/keyboards/toad/rules.mk
index d96183de94..51fa4484b8 100644
--- a/keyboards/toad/rules.mk
+++ b/keyboards/toad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/tokyokeyboard/tokyo60/rules.mk b/keyboards/tokyokeyboard/tokyo60/rules.mk
index 549bf76dc9..2394bad965 100644
--- a/keyboards/tokyokeyboard/tokyo60/rules.mk
+++ b/keyboards/tokyokeyboard/tokyo60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/touchpad/rules.mk b/keyboards/touchpad/rules.mk
index eaa7e2dad4..f3b54e6f35 100644
--- a/keyboards/touchpad/rules.mk
+++ b/keyboards/touchpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/tr60w/rules.mk b/keyboards/tr60w/rules.mk
index 41d22b66a6..2c761bba40 100644
--- a/keyboards/tr60w/rules.mk
+++ b/keyboards/tr60w/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/treadstone32/lite/rules.mk b/keyboards/treadstone32/lite/rules.mk
index 4bdc53c110..6ded83e74b 100644
--- a/keyboards/treadstone32/lite/rules.mk
+++ b/keyboards/treadstone32/lite/rules.mk
@@ -1,9 +1,2 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/treadstone32/rev1/rules.mk b/keyboards/treadstone32/rev1/rules.mk
index 4d55309168..bddd4e389e 100644
--- a/keyboards/treadstone32/rev1/rules.mk
+++ b/keyboards/treadstone32/rev1/rules.mk
@@ -1,9 +1,2 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
diff --git a/keyboards/treadstone48/rules.mk b/keyboards/treadstone48/rules.mk
index 769ac45d57..0b1999ac2f 100644
--- a/keyboards/treadstone48/rules.mk
+++ b/keyboards/treadstone48/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/treasure/type9/rules.mk b/keyboards/treasure/type9/rules.mk
index 91677ac3c0..bcc102395b 100644
--- a/keyboards/treasure/type9/rules.mk
+++ b/keyboards/treasure/type9/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ua62/rules.mk b/keyboards/ua62/rules.mk
index 1448508c25..134de5a224 100644
--- a/keyboards/ua62/rules.mk
+++ b/keyboards/ua62/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/uk78/rules.mk b/keyboards/uk78/rules.mk
index e5b6844d80..59501f227b 100644
--- a/keyboards/uk78/rules.mk
+++ b/keyboards/uk78/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/unikorn/rules.mk b/keyboards/unikorn/rules.mk
index 8da7f421e8..a6b468d7ca 100644
--- a/keyboards/unikorn/rules.mk
+++ b/keyboards/unikorn/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/uranuma/rules.mk b/keyboards/uranuma/rules.mk
index 96e0f35c23..af501e09e7 100644
--- a/keyboards/uranuma/rules.mk
+++ b/keyboards/uranuma/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ut472/rules.mk b/keyboards/ut472/rules.mk
index 6fca0a9da8..efe6a6b397 100644
--- a/keyboards/ut472/rules.mk
+++ b/keyboards/ut472/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/uzu42/rules.mk b/keyboards/uzu42/rules.mk
index c977ef37df..fc0c386ede 100644
--- a/keyboards/uzu42/rules.mk
+++ b/keyboards/uzu42/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/v60_type_r/rules.mk b/keyboards/v60_type_r/rules.mk
index 3a63042464..1ad64faccd 100644
--- a/keyboards/v60_type_r/rules.mk
+++ b/keyboards/v60_type_r/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/vitamins_included/rev1/rules.mk b/keyboards/vitamins_included/rev1/rules.mk
index 8b96b5ca43..6e9beefafe 100644
--- a/keyboards/vitamins_included/rev1/rules.mk
+++ b/keyboards/vitamins_included/rev1/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
SPLIT_KEYBOARD = yes
diff --git a/keyboards/vitamins_included/rev2/rules.mk b/keyboards/vitamins_included/rev2/rules.mk
index 3d4caba9ca..05167eb3b9 100644
--- a/keyboards/vitamins_included/rev2/rules.mk
+++ b/keyboards/vitamins_included/rev2/rules.mk
@@ -1,11 +1,4 @@
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = qmk-dfu
SPLIT_KEYBOARD = yes
diff --git a/keyboards/waldo/rules.mk b/keyboards/waldo/rules.mk
index 5578ca941b..a12d924b96 100644
--- a/keyboards/waldo/rules.mk
+++ b/keyboards/waldo/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wallaby/rules.mk b/keyboards/wallaby/rules.mk
index b5d7a73008..da99b2a8f7 100644
--- a/keyboards/wallaby/rules.mk
+++ b/keyboards/wallaby/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/walletburner/neuron/rules.mk b/keyboards/walletburner/neuron/rules.mk
index eec3522db1..cd13b1bc52 100644
--- a/keyboards/walletburner/neuron/rules.mk
+++ b/keyboards/walletburner/neuron/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/westfoxtrot/aanzee/rules.mk b/keyboards/westfoxtrot/aanzee/rules.mk
index 881cab9303..076b098088 100644
--- a/keyboards/westfoxtrot/aanzee/rules.mk
+++ b/keyboards/westfoxtrot/aanzee/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/westfoxtrot/cyclops/rules.mk b/keyboards/westfoxtrot/cyclops/rules.mk
index d547798387..3e9ce69779 100644
--- a/keyboards/westfoxtrot/cyclops/rules.mk
+++ b/keyboards/westfoxtrot/cyclops/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/westfoxtrot/cypher/rev1/rules.mk b/keyboards/westfoxtrot/cypher/rev1/rules.mk
index c89f2224f3..ca16137b41 100644
--- a/keyboards/westfoxtrot/cypher/rev1/rules.mk
+++ b/keyboards/westfoxtrot/cypher/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/westfoxtrot/cypher/rev5/rules.mk b/keyboards/westfoxtrot/cypher/rev5/rules.mk
index 3c8b008730..9db2f13811 100644
--- a/keyboards/westfoxtrot/cypher/rev5/rules.mk
+++ b/keyboards/westfoxtrot/cypher/rev5/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wheatfield/blocked65/rules.mk b/keyboards/wheatfield/blocked65/rules.mk
index a24b420d41..8c6a745e5c 100644
--- a/keyboards/wheatfield/blocked65/rules.mk
+++ b/keyboards/wheatfield/blocked65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wheatfield/split75/rules.mk b/keyboards/wheatfield/split75/rules.mk
index e6f6e94b7a..47f7fc86b0 100644
--- a/keyboards/wheatfield/split75/rules.mk
+++ b/keyboards/wheatfield/split75/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/wilba_tech/rama_works_koyu/rules.mk b/keyboards/wilba_tech/rama_works_koyu/rules.mk
index 2893a8727b..f7c87ef411 100644
--- a/keyboards/wilba_tech/rama_works_koyu/rules.mk
+++ b/keyboards/wilba_tech/rama_works_koyu/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/rama_works_m10_b/rules.mk b/keyboards/wilba_tech/rama_works_m10_b/rules.mk
index 826fc8aecb..95af6b05e5 100644
--- a/keyboards/wilba_tech/rama_works_m10_b/rules.mk
+++ b/keyboards/wilba_tech/rama_works_m10_b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/rama_works_m60_a/rules.mk b/keyboards/wilba_tech/rama_works_m60_a/rules.mk
index 17df5e5f6e..c343440102 100644
--- a/keyboards/wilba_tech/rama_works_m60_a/rules.mk
+++ b/keyboards/wilba_tech/rama_works_m60_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/rama_works_m6_a/rules.mk b/keyboards/wilba_tech/rama_works_m6_a/rules.mk
index b9cb562e5f..942a88773f 100644
--- a/keyboards/wilba_tech/rama_works_m6_a/rules.mk
+++ b/keyboards/wilba_tech/rama_works_m6_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/rama_works_m6_b/rules.mk b/keyboards/wilba_tech/rama_works_m6_b/rules.mk
index 76170d3d8e..8715ab6698 100644
--- a/keyboards/wilba_tech/rama_works_m6_b/rules.mk
+++ b/keyboards/wilba_tech/rama_works_m6_b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/rama_works_u80_a/rules.mk b/keyboards/wilba_tech/rama_works_u80_a/rules.mk
index b441d17379..4fbccec661 100644
--- a/keyboards/wilba_tech/rama_works_u80_a/rules.mk
+++ b/keyboards/wilba_tech/rama_works_u80_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt60_a/rules.mk b/keyboards/wilba_tech/wt60_a/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt60_a/rules.mk
+++ b/keyboards/wilba_tech/wt60_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt60_b/rules.mk b/keyboards/wilba_tech/wt60_b/rules.mk
index bf4c3c8afa..f9015499b1 100644
--- a/keyboards/wilba_tech/wt60_b/rules.mk
+++ b/keyboards/wilba_tech/wt60_b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/wt60_bx/rules.mk b/keyboards/wilba_tech/wt60_bx/rules.mk
index bf4c3c8afa..f9015499b1 100644
--- a/keyboards/wilba_tech/wt60_bx/rules.mk
+++ b/keyboards/wilba_tech/wt60_bx/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/wt60_c/rules.mk b/keyboards/wilba_tech/wt60_c/rules.mk
index bf4c3c8afa..f9015499b1 100644
--- a/keyboards/wilba_tech/wt60_c/rules.mk
+++ b/keyboards/wilba_tech/wt60_c/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/wt60_d/rules.mk b/keyboards/wilba_tech/wt60_d/rules.mk
index 826fc8aecb..95af6b05e5 100644
--- a/keyboards/wilba_tech/wt60_d/rules.mk
+++ b/keyboards/wilba_tech/wt60_d/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt60_xt/rules.mk b/keyboards/wilba_tech/wt60_xt/rules.mk
index 75c0d3cf08..6f33f48964 100644
--- a/keyboards/wilba_tech/wt60_xt/rules.mk
+++ b/keyboards/wilba_tech/wt60_xt/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt65_a/rules.mk b/keyboards/wilba_tech/wt65_a/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt65_a/rules.mk
+++ b/keyboards/wilba_tech/wt65_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt65_b/rules.mk b/keyboards/wilba_tech/wt65_b/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt65_b/rules.mk
+++ b/keyboards/wilba_tech/wt65_b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt69_a/rules.mk b/keyboards/wilba_tech/wt69_a/rules.mk
index c823d28a69..7ac54c225e 100644
--- a/keyboards/wilba_tech/wt69_a/rules.mk
+++ b/keyboards/wilba_tech/wt69_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt75_a/rules.mk b/keyboards/wilba_tech/wt75_a/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt75_a/rules.mk
+++ b/keyboards/wilba_tech/wt75_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt75_b/rules.mk b/keyboards/wilba_tech/wt75_b/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt75_b/rules.mk
+++ b/keyboards/wilba_tech/wt75_b/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt75_c/rules.mk b/keyboards/wilba_tech/wt75_c/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt75_c/rules.mk
+++ b/keyboards/wilba_tech/wt75_c/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt80_a/rules.mk b/keyboards/wilba_tech/wt80_a/rules.mk
index f6c8e99a64..e4080ec2aa 100644
--- a/keyboards/wilba_tech/wt80_a/rules.mk
+++ b/keyboards/wilba_tech/wt80_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt80_bc/rules.mk b/keyboards/wilba_tech/wt80_bc/rules.mk
index df90090471..64993e29c4 100644
--- a/keyboards/wilba_tech/wt80_bc/rules.mk
+++ b/keyboards/wilba_tech/wt80_bc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/wt8_a/rules.mk b/keyboards/wilba_tech/wt8_a/rules.mk
index c823d28a69..7ac54c225e 100644
--- a/keyboards/wilba_tech/wt8_a/rules.mk
+++ b/keyboards/wilba_tech/wt8_a/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wilba_tech/zeal60/rules.mk b/keyboards/wilba_tech/zeal60/rules.mk
index 6d7d15d057..7467783bc5 100644
--- a/keyboards/wilba_tech/zeal60/rules.mk
+++ b/keyboards/wilba_tech/zeal60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/wilba_tech/zeal65/rules.mk b/keyboards/wilba_tech/zeal65/rules.mk
index 6853adc036..dec09e2fb5 100644
--- a/keyboards/wilba_tech/zeal65/rules.mk
+++ b/keyboards/wilba_tech/zeal65/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/winkeyless/bface/rules.mk b/keyboards/winkeyless/bface/rules.mk
index b5853beabe..fa79d9e817 100644
--- a/keyboards/winkeyless/bface/rules.mk
+++ b/keyboards/winkeyless/bface/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/winkeyless/bmini/rules.mk b/keyboards/winkeyless/bmini/rules.mk
index bb26ba4420..c256d57669 100644
--- a/keyboards/winkeyless/bmini/rules.mk
+++ b/keyboards/winkeyless/bmini/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/winkeyless/bminiex/rules.mk b/keyboards/winkeyless/bminiex/rules.mk
index 0b1e0ca6fa..d1fe3f8f4f 100644
--- a/keyboards/winkeyless/bminiex/rules.mk
+++ b/keyboards/winkeyless/bminiex/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/wsk/gothic50/rules.mk b/keyboards/wsk/gothic50/rules.mk
index dfe93b5f66..390e7957d3 100644
--- a/keyboards/wsk/gothic50/rules.mk
+++ b/keyboards/wsk/gothic50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wsk/gothic70/rules.mk b/keyboards/wsk/gothic70/rules.mk
index dfe93b5f66..390e7957d3 100644
--- a/keyboards/wsk/gothic70/rules.mk
+++ b/keyboards/wsk/gothic70/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/wsk/houndstooth/rules.mk b/keyboards/wsk/houndstooth/rules.mk
index 2fbad5b8e7..fc6bef673f 100644
--- a/keyboards/wsk/houndstooth/rules.mk
+++ b/keyboards/wsk/houndstooth/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/wsk/jerkin/rules.mk b/keyboards/wsk/jerkin/rules.mk
index a9ed10f740..57f68053c8 100644
--- a/keyboards/wsk/jerkin/rules.mk
+++ b/keyboards/wsk/jerkin/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
diff --git a/keyboards/wsk/kodachi50/rules.mk b/keyboards/wsk/kodachi50/rules.mk
index 5ed84b7f7e..437fc01ecc 100644
--- a/keyboards/wsk/kodachi50/rules.mk
+++ b/keyboards/wsk/kodachi50/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/wsk/pain27/rules.mk b/keyboards/wsk/pain27/rules.mk
index 3efd131569..1fa251a82d 100644
--- a/keyboards/wsk/pain27/rules.mk
+++ b/keyboards/wsk/pain27/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/wsk/sl40/rules.mk b/keyboards/wsk/sl40/rules.mk
index 5ed84b7f7e..437fc01ecc 100644
--- a/keyboards/wsk/sl40/rules.mk
+++ b/keyboards/wsk/sl40/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/wsk/tkl30/rules.mk b/keyboards/wsk/tkl30/rules.mk
index 1a6d29e897..916d90a483 100644
--- a/keyboards/wsk/tkl30/rules.mk
+++ b/keyboards/wsk/tkl30/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/x16/rules.mk b/keyboards/x16/rules.mk
index e9da920728..4cc1ef31d4 100644
--- a/keyboards/x16/rules.mk
+++ b/keyboards/x16/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xelus/dawn60/rev1/rules.mk b/keyboards/xelus/dawn60/rev1/rules.mk
index 09971e4bbd..454237dc4f 100644
--- a/keyboards/xelus/dawn60/rev1/rules.mk
+++ b/keyboards/xelus/dawn60/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/xelus/dawn60/rev1_qmk/rules.mk b/keyboards/xelus/dawn60/rev1_qmk/rules.mk
index 595236ad67..14f83a6d02 100644
--- a/keyboards/xelus/dawn60/rev1_qmk/rules.mk
+++ b/keyboards/xelus/dawn60/rev1_qmk/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Do not put the microcontroller into power saving mode
diff --git a/keyboards/xelus/snap96/rules.mk b/keyboards/xelus/snap96/rules.mk
index 34c7ebea7f..b3423bbfe2 100644
--- a/keyboards/xelus/snap96/rules.mk
+++ b/keyboards/xelus/snap96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd004/v1/rules.mk b/keyboards/xiudi/xd004/v1/rules.mk
index d5d270f3f7..35b5cb8f09 100644
--- a/keyboards/xiudi/xd004/v1/rules.mk
+++ b/keyboards/xiudi/xd004/v1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega16u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd60/rev2/rules.mk b/keyboards/xiudi/xd60/rev2/rules.mk
index a41c8d99ef..584d3dc25a 100644
--- a/keyboards/xiudi/xd60/rev2/rules.mk
+++ b/keyboards/xiudi/xd60/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd60/rev3/rules.mk b/keyboards/xiudi/xd60/rev3/rules.mk
index a41c8d99ef..584d3dc25a 100644
--- a/keyboards/xiudi/xd60/rev3/rules.mk
+++ b/keyboards/xiudi/xd60/rev3/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd68/rules.mk b/keyboards/xiudi/xd68/rules.mk
index c6db7ea638..14a907a5a5 100644
--- a/keyboards/xiudi/xd68/rules.mk
+++ b/keyboards/xiudi/xd68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# QMK Build Options
diff --git a/keyboards/xiudi/xd84/rules.mk b/keyboards/xiudi/xd84/rules.mk
index 92f231570d..29208ba1b1 100644
--- a/keyboards/xiudi/xd84/rules.mk
+++ b/keyboards/xiudi/xd84/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd87/rules.mk b/keyboards/xiudi/xd87/rules.mk
index d63716a981..88858de0cb 100644
--- a/keyboards/xiudi/xd87/rules.mk
+++ b/keyboards/xiudi/xd87/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xiudi/xd96/rules.mk b/keyboards/xiudi/xd96/rules.mk
index 8230ff8f4a..d44ba59733 100644
--- a/keyboards/xiudi/xd96/rules.mk
+++ b/keyboards/xiudi/xd96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xmmx/rules.mk b/keyboards/xmmx/rules.mk
index d96183de94..51fa4484b8 100644
--- a/keyboards/xmmx/rules.mk
+++ b/keyboards/xmmx/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/xw60/rules.mk b/keyboards/xw60/rules.mk
index 9f51e199ac..05adc860e6 100644
--- a/keyboards/xw60/rules.mk
+++ b/keyboards/xw60/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yasui/rules.mk b/keyboards/yasui/rules.mk
index 808e9275a9..b004c534bb 100644
--- a/keyboards/yasui/rules.mk
+++ b/keyboards/yasui/rules.mk
@@ -1,7 +1,7 @@
# MCU name
MCU = atmega32u4
-# Bootloader
+# Bootloader selection
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/yatara/drink_me/rules.mk b/keyboards/yatara/drink_me/rules.mk
index fc2df61a37..d767f165e3 100644
--- a/keyboards/yatara/drink_me/rules.mk
+++ b/keyboards/yatara/drink_me/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u2
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yd60mq/rules.mk b/keyboards/yd60mq/rules.mk
index 728d786e4d..fe681b4cb4 100644
--- a/keyboards/yd60mq/rules.mk
+++ b/keyboards/yd60mq/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yd68/rules.mk b/keyboards/yd68/rules.mk
index 2032537ead..40942b92aa 100644
--- a/keyboards/yd68/rules.mk
+++ b/keyboards/yd68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yeehaw/rules.mk b/keyboards/yeehaw/rules.mk
index ce866949fa..ae2fa58f48 100644
--- a/keyboards/yeehaw/rules.mk
+++ b/keyboards/yeehaw/rules.mk
@@ -1,3 +1,4 @@
+# MCU name
MCU = atmega32u4
# Bootloader selection
diff --git a/keyboards/ymd75/rev1/rules.mk b/keyboards/ymd75/rev1/rules.mk
index 02b1725a96..2408fc60d4 100644
--- a/keyboards/ymd75/rev1/rules.mk
+++ b/keyboards/ymd75/rev1/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/ymd75/rev2/rules.mk b/keyboards/ymd75/rev2/rules.mk
index 02b1725a96..2408fc60d4 100644
--- a/keyboards/ymd75/rev2/rules.mk
+++ b/keyboards/ymd75/rev2/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/ymd96/rules.mk b/keyboards/ymd96/rules.mk
index 818aed04d5..6a482ad6cb 100644
--- a/keyboards/ymd96/rules.mk
+++ b/keyboards/ymd96/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/ymdk/bface/rules.mk b/keyboards/ymdk/bface/rules.mk
index b5853beabe..fa79d9e817 100644
--- a/keyboards/ymdk/bface/rules.mk
+++ b/keyboards/ymdk/bface/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# build options
diff --git a/keyboards/ymdk/sp64/rules.mk b/keyboards/ymdk/sp64/rules.mk
index 3d44536922..d642cf1b37 100644
--- a/keyboards/ymdk/sp64/rules.mk
+++ b/keyboards/ymdk/sp64/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32a
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = bootloadHID
# Build Options
diff --git a/keyboards/ymdk/ymd09/rules.mk b/keyboards/ymdk/ymd09/rules.mk
index dafb7d373c..88da43a1b5 100644
--- a/keyboards/ymdk/ymd09/rules.mk
+++ b/keyboards/ymdk/ymd09/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/ymdk/ymd67/rules.mk b/keyboards/ymdk/ymd67/rules.mk
index b036e19b3b..13bd7ff27f 100644
--- a/keyboards/ymdk/ymd67/rules.mk
+++ b/keyboards/ymdk/ymd67/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yncognito/batpad/rules.mk b/keyboards/yncognito/batpad/rules.mk
index b53a3c6d38..f7c83e589b 100644
--- a/keyboards/yncognito/batpad/rules.mk
+++ b/keyboards/yncognito/batpad/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/yosino58/rules.mk b/keyboards/yosino58/rules.mk
index 54f7ca066d..989de9628b 100644
--- a/keyboards/yosino58/rules.mk
+++ b/keyboards/yosino58/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/yurei/rules.mk b/keyboards/yurei/rules.mk
index 233b963751..b15696e6d8 100644
--- a/keyboards/yurei/rules.mk
+++ b/keyboards/yurei/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/yushakobo/quick7/rules.mk b/keyboards/yushakobo/quick7/rules.mk
index eb2cf50e01..850247d920 100644
--- a/keyboards/yushakobo/quick7/rules.mk
+++ b/keyboards/yushakobo/quick7/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/z150_bh/rules.mk b/keyboards/z150_bh/rules.mk
index 760d60150a..635cab9537 100644
--- a/keyboards/z150_bh/rules.mk
+++ b/keyboards/z150_bh/rules.mk
@@ -2,13 +2,6 @@
MCU = at90usb1286
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = halfkay
# Build Options
diff --git a/keyboards/zfrontier/big_switch/rules.mk b/keyboards/zfrontier/big_switch/rules.mk
index 5acc380f6c..8fad333e20 100644
--- a/keyboards/zfrontier/big_switch/rules.mk
+++ b/keyboards/zfrontier/big_switch/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/zinc/rules.mk b/keyboards/zinc/rules.mk
index c6386a10af..65dc5125a6 100644
--- a/keyboards/zinc/rules.mk
+++ b/keyboards/zinc/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = caterina
# Build Options
diff --git a/keyboards/zj68/rules.mk b/keyboards/zj68/rules.mk
index 1747781777..712ad0a497 100644
--- a/keyboards/zj68/rules.mk
+++ b/keyboards/zj68/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options
diff --git a/keyboards/zlant/rules.mk b/keyboards/zlant/rules.mk
index 687116bfde..d53de8978f 100755
--- a/keyboards/zlant/rules.mk
+++ b/keyboards/zlant/rules.mk
@@ -2,13 +2,6 @@
MCU = atmega32u4
# Bootloader selection
-# Teensy halfkay
-# Pro Micro caterina
-# Atmel DFU atmel-dfu
-# LUFA DFU lufa-dfu
-# QMK DFU qmk-dfu
-# ATmega32A bootloadHID
-# ATmega328P USBasp
BOOTLOADER = atmel-dfu
# Build Options