deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_undefined_variable.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-/**
- * class for undefined variable object
- * This class defines an object for undefined variable handling
- *
- * @package    Smarty
- * @subpackage Template
- */
-class Smarty_Undefined_Variable {
-    /**
-     * Returns FALSE for 'nocache' and NULL otherwise.
-     *
-     * @param  string $name
-     *
-     * @return bool
-     */
-    public function __get($name) {
-        if ($name == 'nocache') {
-            return false;
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Always returns an empty string.
-     *
-     * @return string
-     */
-    public function __toString() {
-        return "";
-    }
-}