- scripts/Kbuild.include already defined 'comma'
 - The top Makefile has 'PHONY += FORCE'
 - include/asm-*/ was moved to arch/*/include/asm/ a decade ago
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 
 KBUILD_DEFCONFIG := defconfig
 
-comma = ,
-
-
 ifdef CONFIG_FUNCTION_TRACER
 arch-y += -malways-save-lp -mno-relax
 endif
 boot := arch/nds32/boot
 core-y += $(boot)/dts/
 
-.PHONY: FORCE
-
 Image: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
 vdso_prepare: prepare0
        $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h
 
-CLEAN_FILES += include/asm-nds32/constants.h*
-
-# We use MRPROPER_FILES and CLEAN_FILES now
 archclean:
        $(Q)$(MAKE) $(clean)=$(boot)