diff --git a/sbin/ipfw/ipfw.c b/sbin/ipfw/ipfw.c
index e3a6f57deb2..1caf2882453 100644
--- a/sbin/ipfw/ipfw.c
+++ b/sbin/ipfw/ipfw.c
@@ -2053,7 +2053,6 @@ ipfw_main(ac,av)
 {
 
 	int 		ch;
-	extern int 	optreset; /* XXX should be declared in <unistd.h> */
 
 	if ( ac == 1 ) {
 		show_usage(NULL);
diff --git a/sbin/mount/mount_ufs.c b/sbin/mount/mount_ufs.c
index d4c8181dd08..18180b86d4a 100644
--- a/sbin/mount/mount_ufs.c
+++ b/sbin/mount/mount_ufs.c
@@ -75,7 +75,6 @@ mount_ufs(argc, argv)
 	int argc;
 	char * const argv[];
 {
-	extern int optreset;
 	struct ufs_args args;
 	int ch, mntflags;
 	char *fs_name;
diff --git a/sbin/mount_ifs/mount_ufs.c b/sbin/mount_ifs/mount_ufs.c
index d4c8181dd08..18180b86d4a 100644
--- a/sbin/mount_ifs/mount_ufs.c
+++ b/sbin/mount_ifs/mount_ufs.c
@@ -75,7 +75,6 @@ mount_ufs(argc, argv)
 	int argc;
 	char * const argv[];
 {
-	extern int optreset;
 	struct ufs_args args;
 	int ch, mntflags;
 	char *fs_name;