diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk
index 0b9ab8849f..f0788e55c9 100644
--- a/builddefs/build_keyboard.mk
+++ b/builddefs/build_keyboard.mk
@@ -521,22 +521,14 @@ ifeq ($(strip $(KEEP_INTERMEDIATES)), yes)
     OPT_DEFS += -save-temps=obj
 endif
 
-# TODO: remove this bodge?
-PROJECT_DEFS := $(OPT_DEFS)
-PROJECT_INC := $(VPATH) $(EXTRAINCDIRS) $(KEYBOARD_PATHS)
-PROJECT_CONFIG := $(CONFIG_H)
-
-CONFIG_H += $(POST_CONFIG_H)
-ALL_CONFIGS := $(PROJECT_CONFIG) $(CONFIG_H)
-
 OUTPUTS := $(INTERMEDIATE_OUTPUT)
 $(INTERMEDIATE_OUTPUT)_SRC := $(SRC) $(PLATFORM_SRC)
-$(INTERMEDIATE_OUTPUT)_DEFS := $(OPT_DEFS) \
+$(INTERMEDIATE_OUTPUT)_DEFS := \
 	-DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYBOARD_H=\"$(INTERMEDIATE_OUTPUT)/src/default_keyboard.h\" \
 	-DQMK_KEYMAP=\"$(KEYMAP)\" -DQMK_KEYMAP_H=\"$(KEYMAP).h\" -DQMK_KEYMAP_CONFIG_H=\"$(KEYMAP_PATH)/config.h\" \
-	$(PROJECT_DEFS)
-$(INTERMEDIATE_OUTPUT)_INC :=  $(VPATH) $(EXTRAINCDIRS) $(PROJECT_INC)
-$(INTERMEDIATE_OUTPUT)_CONFIG := $(CONFIG_H) $(PROJECT_CONFIG)
+	$(OPT_DEFS)
+$(INTERMEDIATE_OUTPUT)_INC :=  $(VPATH) $(EXTRAINCDIRS) $(KEYBOARD_PATHS)
+$(INTERMEDIATE_OUTPUT)_CONFIG := $(CONFIG_H) $(POST_CONFIG_H)
 
 # Default target.
 all: build check-size