diff --git a/usr.bin/catman/catman.c b/usr.bin/catman/catman.c
index f600b3c4679..ff536663840 100644
--- a/usr.bin/catman/catman.c
+++ b/usr.bin/catman/catman.c
@@ -730,7 +730,6 @@ int
 main(int argc, char **argv)
 {
 	int opt;
-	extern int optind;
 
 	if ((uid = getuid()) == 0) {
 		fprintf(stderr, "don't run %s as root, use:\n   echo", argv[0]);