diff --git a/library/smarty/demo/plugins/cacheresource.apc.php b/library/smarty/demo/plugins/cacheresource.apc.php
deleted file mode 100644
--- a/library/smarty/demo/plugins/cacheresource.apc.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-
-/**
- * APC CacheResource
- * CacheResource Implementation based on the KeyValueStore API to use
- * memcache as the storage resource for Smarty's output caching.
- * *
- *
- * @package CacheResource-examples
- * @author  Uwe Tews
- */
-class Smarty_CacheResource_Apc extends Smarty_CacheResource_KeyValueStore {
-    public function __construct() {
-        // test if APC is present
-        if (!function_exists('apc_cache_info')) {
-            throw new Exception('APC Template Caching Error: APC is not installed');
-        }
-    }
-
-    /**
-     * Read values for a set of keys from cache
-     *
-     * @param  array $keys list of keys to fetch
-     *
-     * @return array   list of values with the given keys used as indexes
-     * @return boolean true on success, false on failure
-     */
-    protected function read(array $keys) {
-        $_res = array();
-        $res = apc_fetch($keys);
-        foreach ($res as $k => $v) {
-            $_res[$k] = $v;
-        }
-
-        return $_res;
-    }
-
-    /**
-     * Save values for a set of keys to cache
-     *
-     * @param  array $keys list of values to save
-     * @param  int $expire expiration time
-     *
-     * @return boolean true on success, false on failure
-     */
-    protected function write(array $keys, $expire = null) {
-        foreach ($keys as $k => $v) {
-            apc_store($k, $v, $expire);
-        }
-
-        return true;
-    }
-
-    /**
-     * Remove values from cache
-     *
-     * @param  array $keys list of keys to delete
-     *
-     * @return boolean true on success, false on failure
-     */
-    protected function delete(array $keys) {
-        foreach ($keys as $k) {
-            apc_delete($k);
-        }
-
-        return true;
-    }
-
-    /**
-     * Remove *all* values from cache
-     *
-     * @return boolean true on success, false on failure
-     */
-    protected function purge() {
-        return apc_clear_cache('user');
-    }
-}