in accordance to keymap_makefile_example.mk

keyboards/satan/keymaps/iso_split_rshift/Makefile

@@ -1,15 +1,15 @@
-BOOTMAGIC_ENABLE ?= yes # Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE  ?= no  # Mouse keys(+4700)
-EXTRAKEY_ENABLE  ?= yes # Audio control and System control(+450)
-CONSOLE_ENABLE   ?= yes # Console for debug(+400)
-COMMAND_ENABLE   ?= yes # Commands for debug and configuration
-NKRO_ENABLE      ?= yes # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE  = no  # Mouse keys(+4700)
+EXTRAKEY_ENABLE  = yes # Audio control and System control(+450)
+CONSOLE_ENABLE   = yes # Console for debug(+400)
+COMMAND_ENABLE   = yes # Commands for debug and configuration
+NKRO_ENABLE      = yes # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 RGBLIGHT_ENABLE  = yes # Enable keyboard underlight functionality (+4870)
 BACKLIGHT_ENABLE = no  # Enable keyboard backlight functionality (+1150)
 MIDI_ENABLE      = no  # MIDI controls
 AUDIO_ENABLE     = no
-UNICODE_ENABLE   ?= no  # Unicode
-BLUETOOTH_ENABLE ?= no  # Enable Bluetooth with the Adafruit EZ-Key HID
+UNICODE_ENABLE   = no  # Unicode
+BLUETOOTH_ENABLE = no  # Enable Bluetooth with the Adafruit EZ-Key HID
 
 ifndef QUANTUM_DIR
 	include ../../../../Makefile