diff --git a/Makefile b/Makefile
index e666b354d36..2e9ab8e34d7 100644
--- a/Makefile
+++ b/Makefile
@@ -380,7 +380,6 @@ KBUILD_CPPFLAGS := -D__KERNEL__
 
 KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
 		   -fno-strict-aliasing -fno-common \
-		   -Werror-implicit-function-declaration \
 		   -Wno-format-security \
 		   -fno-delete-null-pointer-checks
 KBUILD_AFLAGS_KERNEL :=
