diff --git a/contrib/gdb/gdb/defs.h b/contrib/gdb/gdb/defs.h
index b6e79536566c..c374a2654f99 100644
--- a/contrib/gdb/gdb/defs.h
+++ b/contrib/gdb/gdb/defs.h
@@ -21,6 +21,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+/* $FreeBSD$ */
+
 #ifndef DEFS_H
 #define DEFS_H
 
@@ -810,10 +812,6 @@ enum lval_type
 
 struct frame_info;
 
-/* From readline (but not in any readline .h files).  */
-
-extern char *tilde_expand (char *);
-
 /* Control types for commands */
 
 enum misc_command_type