diff --git a/library/smarty/libs/sysplugins/smarty_internal_compile_setfilter.php b/library/smarty/libs/sysplugins/smarty_internal_compile_setfilter.php
deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_internal_compile_setfilter.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-/**
- * Smarty Internal Plugin Compile Setfilter
- * Compiles code for setfilter tag
- *
- * @package    Smarty
- * @subpackage Compiler
- * @author     Uwe Tews
- */
-
-/**
- * Smarty Internal Plugin Compile Setfilter Class
- *
- * @package    Smarty
- * @subpackage Compiler
- */
-class Smarty_Internal_Compile_Setfilter extends Smarty_Internal_CompileBase {
-    /**
-     * Compiles code for setfilter tag
-     *
-     * @param  array $args array with attributes from parser
-     * @param  object $compiler compiler object
-     * @param  array $parameter array with compilation parameter
-     *
-     * @return string compiled code
-     */
-    public function compile($args, $compiler, $parameter) {
-        $compiler->variable_filter_stack[] = $compiler->template->variable_filters;
-        $compiler->template->variable_filters = $parameter['modifier_list'];
-        // this tag does not return compiled code
-        $compiler->has_code = false;
-
-        return true;
-    }
-}
-
-/**
- * Smarty Internal Plugin Compile Setfilterclose Class
- *
- * @package    Smarty
- * @subpackage Compiler
- */
-class Smarty_Internal_Compile_Setfilterclose extends Smarty_Internal_CompileBase {
-    /**
-     * Compiles code for the {/setfilter} tag
-     * This tag does not generate compiled output. It resets variable filter.
-     *
-     * @param  array $args array with attributes from parser
-     * @param  object $compiler compiler object
-     *
-     * @return string compiled code
-     */
-    public function compile($args, $compiler) {
-        $_attr = $this->getAttributes($compiler, $args);
-        // reset variable filter to previous state
-        if (count($compiler->variable_filter_stack)) {
-            $compiler->template->variable_filters = array_pop($compiler->variable_filter_stack);
-        } else {
-            $compiler->template->variable_filters = array();
-        }
-        // this tag does not return compiled code
-        $compiler->has_code = false;
-
-        return true;
-    }
-}