diff --git a/keyboard/planck/Makefile b/keyboard/planck/Makefile
index 693e9c8aa5f..8d4e7787a64 100644
--- a/keyboard/planck/Makefile
+++ b/keyboard/planck/Makefile
@@ -38,31 +38,9 @@
 # To rebuild project do "make clean" then "make all".
 #----------------------------------------------------------------------------
 
-# Build Options
-#   change to "no" to disable the options, or define them in the makefile.mk in 
-#   the appropriate keymap folder that will get included automatically
-#
-BOOTMAGIC_ENABLE = yes      # Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = yes       # 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 = no            # USB Nkey Rollover - if this doesn't work, see here: 
-                            # https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
-MIDI_ENABLE = no            # MIDI controls
-AUDIO_ENABLE = no           # Audio output on port C6
-UNICODE_ENABLE = no         # Unicode
-BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
-
-# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
-
 # Target file name (without extension).
 TARGET = planck
 
-
 # Directory common source filess exist
 TOP_DIR = ../..
 TMK_DIR = ../../tmk_core
@@ -107,10 +85,6 @@ endif
 
 SRC := $(KEYMAP_FILE) $(SRC)
 
-ifeq ($(BACKLIGHT_ENABLE), yes)
-	SRC := backlight.c $(SRC)
-endif
-
 CONFIG_H = config.h
 
 # MCU name
@@ -161,6 +135,46 @@ OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
 #   USBaspLoader     2048
 OPT_DEFS += -DBOOTLOADER_SIZE=4096
 
+# Build Options
+#   change to "no" to disable the options, or define them in the makefile.mk in 
+#   the appropriate keymap folder that will get included automatically
+#
+BOOTMAGIC_ENABLE = yes      # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # 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 = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+
+ifdef KEYMAP
+
+ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
+ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
+	include keymaps/$(KEYMAP)/makefile.mk
+endif 
+endif
+
+else
+
+ifneq ("$(wildcard keymaps/default/makefile.mk)","")
+	include keymaps/default/makefile.mk
+endif
+
+endif
+
+ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
+	SRC := backlight.c $(SRC)
+endif
+
 # Optimize size but this may cause error "relocation truncated to fit"
 #EXTRALDFLAGS = -Wl,--relax
 
diff --git a/keyboard/planck/keymaps/default/makefile.mk b/keyboard/planck/keymaps/default/makefile.mk
index e1c5bd2e800..8cbec4a1f55 100644
--- a/keyboard/planck/keymaps/default/makefile.mk
+++ b/keyboard/planck/keymaps/default/makefile.mk
@@ -1,2 +1 @@
-AUDIO_ENABLE = yes
-BACKLIGHT_ENABLE = yes
\ No newline at end of file
+AUDIO_ENABLE = yes 
\ No newline at end of file
diff --git a/quantum/quantum.mk b/quantum/quantum.mk
index 3069f582c38..17bb5017186 100644
--- a/quantum/quantum.mk
+++ b/quantum/quantum.mk
@@ -23,19 +23,19 @@ ifndef CUSTOM_MATRIX
 	SRC += $(QUANTUM_DIR)/matrix.c
 endif
 
-ifeq ($(MIDI_ENABLE), yes)
+ifeq ($(strip $(MIDI_ENABLE)), yes)
 	SRC += $(QUANTUM_DIR)/keymap_midi.c
 endif
 
-ifeq ($(AUDIO_ENABLE), yes)
+ifeq ($(strip $(AUDIO_ENABLE)), yes)
 	SRC += $(QUANTUM_DIR)/audio.c
 endif
 
-ifeq ($(UNICODE_ENABLE), yes)
+ifeq ($(strip $(UNICODE_ENABLE)), yes)
 	SRC += $(QUANTUM_DIR)/keymap_unicode.c
 endif
 
-ifeq ($(RGBLIGHT_ENABLE), yes)
+ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
 	SRC += $(QUANTUM_DIR)/light_ws2812.c
 	SRC += $(QUANTUM_DIR)/rgblight.c
 	OPT_DEFS += -DRGBLIGHT_ENABLE
diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 030767cc3fb..f8006c6708a 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -17,67 +17,67 @@ SRC +=	$(COMMON_DIR)/host.c \
 
 
 # Option modules
-ifeq ($(BOOTMAGIC_ENABLE), yes)
+ifeq ($(strip $(BOOTMAGIC_ENABLE)), yes)
     SRC += $(COMMON_DIR)/bootmagic.c
     SRC += $(COMMON_DIR)/avr/eeconfig.c
     OPT_DEFS += -DBOOTMAGIC_ENABLE
 endif
 
-ifeq ($(MOUSEKEY_ENABLE), yes)
+ifeq ($(strip $(MOUSEKEY_ENABLE)), yes)
     SRC += $(COMMON_DIR)/mousekey.c
     OPT_DEFS += -DMOUSEKEY_ENABLE
     OPT_DEFS += -DMOUSE_ENABLE
 endif
 
-ifeq ($(EXTRAKEY_ENABLE), yes)
+ifeq ($(strip $(EXTRAKEY_ENABLE)), yes)
     OPT_DEFS += -DEXTRAKEY_ENABLE
 endif
 
-ifeq ($(CONSOLE_ENABLE), yes)
+ifeq ($(strip $(CONSOLE_ENABLE)), yes)
     OPT_DEFS += -DCONSOLE_ENABLE
 else
     OPT_DEFS += -DNO_PRINT
     OPT_DEFS += -DNO_DEBUG
 endif
 
-ifeq ($(COMMAND_ENABLE), yes)
+ifeq ($(strip $(COMMAND_ENABLE)), yes)
     SRC += $(COMMON_DIR)/command.c
     OPT_DEFS += -DCOMMAND_ENABLE
 endif
 
-ifeq ($(NKRO_ENABLE), yes)
+ifeq ($(strip $(NKRO_ENABLE)), yes)
     OPT_DEFS += -DNKRO_ENABLE
 endif
 
-ifeq ($(MIDI_ENABLE), yes)
+ifeq ($(strip $(MIDI_ENABLE)), yes)
     OPT_DEFS += -DMIDI_ENABLE
 endif
 
-ifeq ($(AUDIO_ENABLE), yes)
+ifeq ($(strip $(AUDIO_ENABLE)), yes)
     OPT_DEFS += -DAUDIO_ENABLE
 endif
 
-ifeq ($(USB_6KRO_ENABLE), yes)
+ifeq ($(strip $(USB_6KRO_ENABLE)), yes)
     OPT_DEFS += -DUSB_6KRO_ENABLE
 endif
 
-ifeq ($(SLEEP_LED_ENABLE), yes)
+ifeq ($(strip $(SLEEP_LED_ENABLE)), yes)
     SRC += $(COMMON_DIR)/sleep_led.c
     OPT_DEFS += -DSLEEP_LED_ENABLE
     OPT_DEFS += -DNO_SUSPEND_POWER_DOWN
 endif
 
-ifeq ($(BACKLIGHT_ENABLE), yes)
+ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
     SRC += $(COMMON_DIR)/backlight.c
     SRC += $(COMMON_DIR)/avr/eeconfig.c
     OPT_DEFS += -DBACKLIGHT_ENABLE
 endif
 
-ifeq ($(BLUETOOTH_ENABLE), yes)
+ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
     OPT_DEFS += -DBLUETOOTH_ENABLE
 endif
 
-ifeq ($(KEYMAP_SECTION_ENABLE), yes)
+ifeq ($(strip $(KEYMAP_SECTION_ENABLE)), yes)
     OPT_DEFS += -DKEYMAP_SECTION_ENABLE
 
     ifeq ($(strip $(MCU)),atmega32u2)
diff --git a/tmk_core/protocol/lufa.mk b/tmk_core/protocol/lufa.mk
index f3209c227ed..9ac6298f111 100644
--- a/tmk_core/protocol/lufa.mk
+++ b/tmk_core/protocol/lufa.mk
@@ -17,7 +17,7 @@ LUFA_SRC = $(LUFA_DIR)/lufa.c \
 	   $(LUFA_DIR)/descriptor.c \
 	   $(LUFA_SRC_USB)
 
-ifeq ($(MIDI_ENABLE), yes)
+ifeq ($(strip $(MIDI_ENABLE)), yes)
 	LUFA_SRC += $(LUFA_DIR)/midi/midi.c \
 	   $(LUFA_DIR)/midi/midi_device.c \
 	   $(LUFA_DIR)/midi/bytequeue/bytequeue.c \
@@ -25,7 +25,7 @@ ifeq ($(MIDI_ENABLE), yes)
 	   $(LUFA_SRC_USBCLASS)
 endif
 
-ifeq ($(BLUETOOTH_ENABLE), yes)
+ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
 	LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
 	$(TMK_DIR)/protocol/serial_uart.c
 endif