diff -uprN src0/gdb/top.c src1/gdb/top.c
--- src0/gdb/top.c	2009-06-10 13:49:45.000000000 -0400
+++ src1/gdb/top.c	2009-08-06 10:27:09.000000000 -0400
@@ -361,7 +361,6 @@ execute_command (char *p, int from_tty)
 #ifdef HAVE_SBRK
   long space_at_cmd_start = 0;
 #endif
-  extern int display_time;
   extern int display_space;
 
   if (target_can_async_p ())
@@ -1514,8 +1513,6 @@ Notification of completion for asynchron
 static void
 init_main (void)
 {
-  struct cmd_list_element *c;
-
   /* initialize the prompt stack to a simple "(gdb) " prompt or to
      whatever the DEFAULT_PROMPT is.  */
   the_prompts.top = 0;