diff --git a/usr.bin/last/Makefile b/usr.bin/last/Makefile
index 0bd2f05eb27..fd63cd989b2 100644
--- a/usr.bin/last/Makefile
+++ b/usr.bin/last/Makefile
@@ -3,6 +3,6 @@
 
 PROG=	last
 
-WARNS?=	1
+NO_WFORMAT=
 
 .include <bsd.prog.mk>
diff --git a/usr.bin/leave/Makefile b/usr.bin/leave/Makefile
index 548479768a0..f71acbed25d 100644
--- a/usr.bin/leave/Makefile
+++ b/usr.bin/leave/Makefile
@@ -3,6 +3,6 @@
 
 PROG=	leave
 
-WARNS?=	1
+NO_WFORMAT=
 
 .include <bsd.prog.mk>