diff --git a/keyboards/dp60/keymaps/allleds/rules.mk b/keyboards/dp60/keymaps/allleds/rules.mk
index 746d0bcb6..1e3cebb14 100644
--- a/keyboards/dp60/keymaps/allleds/rules.mk
+++ b/keyboards/dp60/keymaps/allleds/rules.mk
@@ -1,38 +1 @@
-# 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
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration
-MOUSEKEY_ENABLE = no        # Mouse keys
-EXTRAKEY_ENABLE = yes # Audio control and System control
-CONSOLE_ENABLE = no         # Console for debug
-COMMAND_ENABLE = no         # Commands for debug and configuration
-# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
-# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-NKRO_ENABLE = no # USB Nkey Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality on B7 by default
-MIDI_ENABLE = no            # MIDI support
-UNICODE_ENABLE = no         # Unicode
-BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
-AUDIO_ENABLE = no           # Audio output on port C6
-FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
-RGBLIGHT_ENABLE = yes       # Use RGB underglow light
-RGB_MATRIX_ENABLE = yes     # Use RGB matrix
-
-LAYOUTS = 60_ansi 60_hhkb 60_iso 60_ansi_split_bs_rshift
-
-CUSTOM_MATRIX = yes
-SRC += matrix.c
+RGBLIGHT_ENABLE = yes
diff --git a/keyboards/handwired/dactyl_left/rules.mk b/keyboards/handwired/dactyl_left/rules.mk
index 61c123d03..1ea1de18d 100644
--- a/keyboards/handwired/dactyl_left/rules.mk
+++ b/keyboards/handwired/dactyl_left/rules.mk
@@ -1,17 +1,16 @@
 # 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
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
 BOOTLOADER = halfkay
 
-
 # Build Options
 #   change yes to no to disable
 #
diff --git a/keyboards/handwired/minorca/keymaps/ridingqwerty/rules.mk b/keyboards/handwired/minorca/keymaps/ridingqwerty/rules.mk
index ac798576a..c3cea9618 100644
--- a/keyboards/handwired/minorca/keymaps/ridingqwerty/rules.mk
+++ b/keyboards/handwired/minorca/keymaps/ridingqwerty/rules.mk
@@ -1,10 +1,6 @@
-MCU = atmega32u4
-BOOTLOADER = halfkay
-
 # Build Options
 #   change to "no" to disable the options, or define them in the Makefile in 
 #   the appropriate keymap folder that will get included automatically
 #
 BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
-UNICODE_ENABLE = no         # Unicode
 UNICODEMAP_ENABLE = yes     # Unicode Map
diff --git a/keyboards/handwired/owlet60/rules.mk b/keyboards/handwired/owlet60/rules.mk
index 6d8bdfd1c..6c81dad09 100644
--- a/keyboards/handwired/owlet60/rules.mk
+++ b/keyboards/handwired/owlet60/rules.mk
@@ -1,29 +1,16 @@
-SRC += matrix.c
-
 # 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
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
 BOOTLOADER = caterina
 
-
-# If you don't know the bootloader type, then you can specify the
-# Boot Section Size in *bytes* by uncommenting out the OPT_DEFS line
-#   Teensy halfKay      512
-#   Teensy++ halfKay    1024
-#   Atmel DFU loader    4096
-#   LUFA bootloader     4096
-#   USBaspLoader        2048
-# OPT_DEFS += -DBOOTLOADER_SIZE=4096
-
-
 # Build Options
 #   change yes to no to disable
 #
@@ -45,4 +32,6 @@ AUDIO_ENABLE = no           # Audio output on port C6
 FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
 HD44780_ENABLE = no 		# Enable support for HD44780 based LCDs (+400)
 CUSTOM_MATRIX = yes
-OLED_DRIVER_ENABLE = no
\ No newline at end of file
+OLED_DRIVER_ENABLE = no
+
+SRC += matrix.c
\ No newline at end of file
diff --git a/keyboards/maartenwut/minitomic/rules.mk b/keyboards/maartenwut/minitomic/rules.mk
index d483b8db7..7af2b1870 100644
--- a/keyboards/maartenwut/minitomic/rules.mk
+++ b/keyboards/maartenwut/minitomic/rules.mk
@@ -7,7 +7,8 @@ MCU = atmega32u4
 #   Atmel DFU    atmel-dfu
 #   LUFA DFU     lufa-dfu
 #   QMK DFU      qmk-dfu
-#   atmega32a    bootloadHID
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
 BOOTLOADER = qmk-dfu
 
 # Build Options