diff --git a/lib/libatm/Makefile b/lib/libatm/Makefile
index 6957c60249a5..1fc3ed7d3ea0 100644
--- a/lib/libatm/Makefile
+++ b/lib/libatm/Makefile
@@ -33,6 +33,6 @@ INCS=	libatm.h
 
 LDADD+=	-lmd
 DPADD+=	${LIBMD}
-WARNS?=	5
+WARNS?=	3
 
 .include <bsd.lib.mk>