diff --git a/sc2/src/uqm/mouse_err.c b/sc2/src/uqm/mouse_err.c
deleted file mode 100644
index 0eaaeae59..000000000
--- a/sc2/src/uqm/mouse_err.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "controls.h"
-#include "gamestr.h"
-
-void
-MouseError (void)
-{
-	DoPopupWindow (GAME_STRING (MAINMENU_STRING_BASE + 54));
-}