diff --git a/usr.bin/yacc/Makefile b/usr.bin/yacc/Makefile
index f91db2e0e53f..677486fd7320 100644
--- a/usr.bin/yacc/Makefile
+++ b/usr.bin/yacc/Makefile
@@ -15,6 +15,5 @@ CFLAGS+=	-DMIXEDCASE_FILENAMES=1 \
 		
 LINKS=	${BINDIR}/yacc ${BINDIR}/byacc
 MLINKS=	yacc.1 byacc.1
-WARNS=	6
 
 .include <bsd.prog.mk>