diff --git a/mozilla/lib/plugin/plugin.i b/mozilla/lib/plugin/plugin.i
deleted file mode 100644
index 7eb75cffc90..00000000000
--- a/mozilla/lib/plugin/plugin.i
+++ /dev/null
@@ -1,39 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL.  You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation.  Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
- * Reserved.
- */
-
-#ifndef PLUGIN_I
-#define PLUGIN_I
-
-#include "xpresdef.h"
-
-
-BEGIN_STR (PLUGIN_strings)
-
-ResDef(XP_PLUGIN_LOADING_PLUGIN,                XP_MSG_BASE+308,
- "Loading plug-in")
-
-ResDef(XP_PLUGIN_NOT_FOUND,                      XP_MSG_BASE+325,
- "A plugin for the mime type %s\nwas not found.")
-
-ResDef(XP_PLUGIN_CANT_LOAD_PLUGIN,               XP_MSG_BASE+326,
-  "Could not load the plug-in '%s' for the MIME type '%s'.  \n\n\
-  Make sure enough memory is available and that the plug-in is installed correctly.")
-
-END_STR (PLUGIN_strings)
-
-#endif