diff --git a/usr.bin/yacc/Makefile b/usr.bin/yacc/Makefile
index 621cb7449c2e..e8b1024e82bb 100644
--- a/usr.bin/yacc/Makefile
+++ b/usr.bin/yacc/Makefile
@@ -9,6 +9,4 @@ MAN=	yacc.1 yyfix.1
 LINKS=	${BINDIR}/yacc ${BINDIR}/byacc
 MLINKS=	yacc.1 byacc.1
 
-WARNS?=	6
-
 .include <bsd.prog.mk>