diff --git a/lib/libopenbsd/Makefile b/lib/libopenbsd/Makefile
index 3f16bff3941e..3eb6b743d186 100644
--- a/lib/libopenbsd/Makefile
+++ b/lib/libopenbsd/Makefile
@@ -11,5 +11,4 @@ CFLAGS+= -I${.CURDIR}
 
 WARNS=	3
 
-NO_WERROR=
 .include <bsd.lib.mk>