diff --git a/lang/nawk/Makefile b/lang/nawk/Makefile
index bfe5c7fe682a..dcafd47703c7 100644
--- a/lang/nawk/Makefile
+++ b/lang/nawk/Makefile
@@ -14,7 +14,6 @@ DISTNAME=	awk
 
 MAINTAINER=	obrien@FreeBSD.org
 
-USE_BISON=	yes
 NO_WRKSUBDIR=	yes
 MAKEFILE=	makefile
 ALL_TARGET=	a.out