diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 8ab40b6..e607b89 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -14,11 +14,6 @@
 LDFLAGS_uboot += -static --gc-sections
 endif
 
-ifeq ($(incdir-y),)
-incdir-y := $(machine-y)
-endif
-INCDIR   := arch-$(incdir-y)
-
 all: $(KBUILD_IMAGE)