diff --git a/include/plugin_api_extension.inc.php b/include/plugin_api_extension.inc.php
index 9c411ee5..6c126e85 100644
--- a/include/plugin_api_extension.inc.php
+++ b/include/plugin_api_extension.inc.php
@@ -1,5 +1,4 @@
 <?php
-# $Id: plugin_api.inc.php 1168 2006-04-29 13:06:11Z garvinhicking $
 # Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
 # All rights reserved.  See LICENSE file for licensing details