diff --git a/usr.bin/logname/Makefile b/usr.bin/logname/Makefile
index 875df2c0abf6..4e910ce73297 100644
--- a/usr.bin/logname/Makefile
+++ b/usr.bin/logname/Makefile
@@ -2,5 +2,6 @@
 # $FreeBSD$
 
 PROG=	logname
+WARNS?= 6
 
 .include <bsd.prog.mk>
diff --git a/usr.bin/logname/logname.c b/usr.bin/logname/logname.c
index 05faf7612416..8f98b8a6dd5e 100644
--- a/usr.bin/logname/logname.c
+++ b/usr.bin/logname/logname.c
@@ -44,11 +44,9 @@ static const char sccsid[] = "@(#)logname.c	8.2 (Berkeley) 4/3/94";
 __FBSDID("$FreeBSD$");
 
 #include <err.h>
-#include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 
 void usage(void);