diff --git a/library/smarty/demo/plugins/cacheresource.pdo_gzip.php b/library/smarty/demo/plugins/cacheresource.pdo_gzip.php
deleted file mode 100644
--- a/library/smarty/demo/plugins/cacheresource.pdo_gzip.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-/**
- * PDO Cache Handler with GZIP support
- * Example usage :
- *      $cnx    =   new PDO("mysql:host=localhost;dbname=mydb", "username", "password");
- *      $smarty->setCachingType('pdo_gzip');
- *      $smarty->loadPlugin('Smarty_CacheResource_Pdo_Gzip');
- *      $smarty->registerCacheResource('pdo_gzip', new Smarty_CacheResource_Pdo_Gzip($cnx, 'smarty_cache'));
- *
- * @require Smarty_CacheResource_Pdo class
- * @author  Beno!t POLASZEK - 2014
- */
-require_once 'cacheresource.pdo.php';
-
-class Smarty_CacheResource_Pdo_Gzip extends Smarty_CacheResource_Pdo {
-
-    /* 
-     * Encodes the content before saving to database 
-     * 
-     * @param string $content 
-     * @return string $content 
-     * @access protected 
-     */
-    protected function inputContent($content) {
-        return gzdeflate($content);
-    }
-
-    /* 
-     * Decodes the content before saving to database 
-     * 
-     * @param string $content 
-     * @return string $content 
-     * @access protected 
-     */
-    protected function outputContent($content) {
-        return gzinflate($content);
-    }
-} 
- 
\ No newline at end of file