diff --git a/gnu/usr.bin/cc/cc_tools/Makefile b/gnu/usr.bin/cc/cc_tools/Makefile
index 9ee62ef135e..dfd81b5981b 100644
--- a/gnu/usr.bin/cc/cc_tools/Makefile
+++ b/gnu/usr.bin/cc/cc_tools/Makefile
@@ -12,7 +12,6 @@
 # aliases of generated headers.
 
 CFLAGS+=	-I.
-WARNS=		0
 
 .include "../Makefile.inc"