diff --git a/library/smarty/libs/sysplugins/smarty_internal_filter_handler.php b/library/smarty/libs/sysplugins/smarty_internal_filter_handler.php
deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_internal_filter_handler.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-/**
- * Smarty Internal Plugin Filter Handler
- * Smarty filter handler class
- *
- * @package    Smarty
- * @subpackage PluginsInternal
- * @author     Uwe Tews
- */
-
-/**
- * Class for filter processing
- *
- * @package    Smarty
- * @subpackage PluginsInternal
- */
-class Smarty_Internal_Filter_Handler {
-    /**
-     * Run filters over content
-     * The filters will be lazy loaded if required
-     * class name format: Smarty_FilterType_FilterName
-     * plugin filename format: filtertype.filtername.php
-     * Smarty2 filter plugins could be used
-     *
-     * @param  string $type the type of filter ('pre','post','output') which shall run
-     * @param  string $content the content which shall be processed by the filters
-     * @param  Smarty_Internal_Template $template template object
-     *
-     * @throws SmartyException
-     * @return string                   the filtered content
-     */
-    public static function runFilter($type, $content, Smarty_Internal_Template $template) {
-        $output = $content;
-        // loop over autoload filters of specified type
-        if (!empty($template->smarty->autoload_filters[$type])) {
-            foreach ((array)$template->smarty->autoload_filters[$type] as $name) {
-                $plugin_name = "Smarty_{$type}filter_{$name}";
-                if ($template->smarty->loadPlugin($plugin_name)) {
-                    if (function_exists($plugin_name)) {
-                        // use loaded Smarty2 style plugin
-                        $output = $plugin_name($output, $template);
-                    } elseif (class_exists($plugin_name, false)) {
-                        // loaded class of filter plugin
-                        $output = call_user_func(array($plugin_name, 'execute'), $output, $template);
-                    }
-                } else {
-                    // nothing found, throw exception
-                    throw new SmartyException("Unable to load filter {$plugin_name}");
-                }
-            }
-        }
-        // loop over registerd filters of specified type
-        if (!empty($template->smarty->registered_filters[$type])) {
-            foreach ($template->smarty->registered_filters[$type] as $key => $name) {
-                if (is_array($template->smarty->registered_filters[$type][$key])) {
-                    $output = call_user_func($template->smarty->registered_filters[$type][$key], $output, $template);
-                } else {
-                    $output = $template->smarty->registered_filters[$type][$key]($output, $template);
-                }
-            }
-        }
-        // return filtered output
-        return $output;
-    }
-}