diff --git a/lib/libmp/Makefile b/lib/libmp/Makefile
index 35374a399474..7d8c9cb2de1b 100644
--- a/lib/libmp/Makefile
+++ b/lib/libmp/Makefile
@@ -2,12 +2,11 @@
 
 LIB=		mp
 SHLIB_MAJOR=	4
-CFLAGS+=	-ansi -pedantic
-WARNS?=		2
-# openssl/bn.h isn't WARNS-safe, but I still want the warings.
-NO_WERROR=	yes
-SRCS=		mpasbn.c
-INCS=		mp.h
 MAN=		libmp.3
+INCS=		mp.h
+SRCS=		mpasbn.c
+
+WARNS?=		2
+CFLAGS+=	-ansi -pedantic
 
 .include <bsd.lib.mk>