diff --git a/library/smarty/libs/plugins/variablefilter.htmlspecialchars.php b/library/smarty/libs/plugins/variablefilter.htmlspecialchars.php
deleted file mode 100644
--- a/library/smarty/libs/plugins/variablefilter.htmlspecialchars.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-/**
- * Smarty plugin
- *
- * @package    Smarty
- * @subpackage PluginsFilter
- */
-
-/**
- * Smarty htmlspecialchars variablefilter plugin
- *
- * @param string $source input string
- *
- * @return string filtered output
- */
-function smarty_variablefilter_htmlspecialchars($source) {
-    return htmlspecialchars($source, ENT_QUOTES, Smarty::$_CHARSET);
-}