diff --git a/library/smarty/demo/plugins/cacheresource.memcache.php b/library/smarty/demo/plugins/cacheresource.memcache.php
deleted file mode 100644
--- a/library/smarty/demo/plugins/cacheresource.memcache.php
+++ /dev/null
@@ -1,91 +0,0 @@
-<?php
-
-/**
- * Memcache CacheResource
- * CacheResource Implementation based on the KeyValueStore API to use
- * memcache as the storage resource for Smarty's output caching.
- * Note that memcache has a limitation of 256 characters per cache-key.
- * To avoid complications all cache-keys are translated to a sha1 hash.
- *
- * @package CacheResource-examples
- * @author  Rodney Rehm
- */
-class Smarty_CacheResource_Memcache extends Smarty_CacheResource_KeyValueStore {
-    /**
-     * memcache instance
-     *
-     * @var Memcache
-     */
-    protected $memcache = null;
-
-    public function __construct() {
-        $this->memcache = new Memcache();
-        $this->memcache->addServer('127.0.0.1', 11211);
-    }
-
-    /**
-     * 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) {
-        $_keys = $lookup = array();
-        foreach ($keys as $k) {
-            $_k = sha1($k);
-            $_keys[] = $_k;
-            $lookup[$_k] = $k;
-        }
-        $_res = array();
-        $res = $this->memcache->get($_keys);
-        foreach ($res as $k => $v) {
-            $_res[$lookup[$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) {
-            $k = sha1($k);
-            $this->memcache->set($k, $v, 0, $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) {
-            $k = sha1($k);
-            $this->memcache->delete($k);
-        }
-
-        return true;
-    }
-
-    /**
-     * Remove *all* values from cache
-     *
-     * @return boolean true on success, false on failure
-     */
-    protected function purge() {
-        $this->memcache->flush();
-    }
-}