diff --git a/library/smarty/libs/plugins/modifiercompiler.string_format.php b/library/smarty/libs/plugins/modifiercompiler.string_format.php
deleted file mode 100644
--- a/library/smarty/libs/plugins/modifiercompiler.string_format.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-/**
- * Smarty plugin
- *
- * @package    Smarty
- * @subpackage PluginsModifierCompiler
- */
-
-/**
- * Smarty string_format modifier plugin
- * Type:     modifier<br>
- * Name:     string_format<br>
- * Purpose:  format strings via sprintf
- *
- * @link   http://www.smarty.net/manual/en/language.modifier.string.format.php string_format (Smarty online manual)
- * @author Uwe Tews
- *
- * @param array $params parameters
- *
- * @return string with compiled code
- */
-function smarty_modifiercompiler_string_format($params) {
-    return 'sprintf(' . $params[1] . ',' . $params[0] . ')';
-}