Index: libc/Makefile.toolchain
===================================================================
--- libc/Makefile.toolchain	(revision 11a4fbf3d932714911471f5631d3814591b6851e)
+++ libc/Makefile.toolchain	(revision 520492a919fe1fbbbca2ba14c75775dab9c6f60a)
@@ -28,5 +28,5 @@
 
 DEFS = -DARCH=$(ARCH)
-CFLAGS = -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -I$(LIBC_PREFIX)/include -I$(LIBC_PREFIX)/arch/$(ARCH)/include
+CFLAGS = -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -I$(LIBC_PREFIX)/include
 LFLAGS = -M -N $(SOFTINT_PREFIX)/softint.a
 AFLAGS =