diff --git a/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php b/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php
deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_internal_compile_private_function_plugin.php
+++ /dev/null
@@ -1,69 +0,0 @@
-<?php
-/**
- * Smarty Internal Plugin Compile Function Plugin
- * Compiles code for the execution of function plugin
- *
- * @package    Smarty
- * @subpackage Compiler
- * @author     Uwe Tews
- */
-
-/**
- * Smarty Internal Plugin Compile Function Plugin Class
- *
- * @package    Smarty
- * @subpackage Compiler
- */
-class Smarty_Internal_Compile_Private_Function_Plugin extends Smarty_Internal_CompileBase {
-    /**
-     * Attribute definition: Overwrites base class.
-     *
-     * @var array
-     * @see Smarty_Internal_CompileBase
-     */
-    public $required_attributes = array();
-    /**
-     * Attribute definition: Overwrites base class.
-     *
-     * @var array
-     * @see Smarty_Internal_CompileBase
-     */
-    public $optional_attributes = array('_any');
-
-    /**
-     * Compiles code for the execution of function plugin
-     *
-     * @param  array $args array with attributes from parser
-     * @param  object $compiler compiler object
-     * @param  array $parameter array with compilation parameter
-     * @param  string $tag name of function plugin
-     * @param  string $function PHP function name
-     *
-     * @return string compiled code
-     */
-    public function compile($args, $compiler, $parameter, $tag, $function) {
-        // This tag does create output
-        $compiler->has_output = true;
-
-        // check and get attributes
-        $_attr = $this->getAttributes($compiler, $args);
-        if ($_attr['nocache'] === true) {
-            $compiler->tag_nocache = true;
-        }
-        unset($_attr['nocache']);
-        // convert attributes into parameter array string
-        $_paramsArray = array();
-        foreach ($_attr as $_key => $_value) {
-            if (is_int($_key)) {
-                $_paramsArray[] = "$_key=>$_value";
-            } else {
-                $_paramsArray[] = "'$_key'=>$_value";
-            }
-        }
-        $_params = 'array(' . implode(",", $_paramsArray) . ')';
-        // compile code
-        $output = "<?php echo {$function}({$_params},\$_smarty_tpl);?>\n";
-
-        return $output;
-    }
-}