deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_internal_compile_private_registered_function.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/**
- * Smarty Internal Plugin Compile Registered Function
- * Compiles code for the execution of a registered function
- *
- * @package    Smarty
- * @subpackage Compiler
- * @author     Uwe Tews
- */
-
-/**
- * Smarty Internal Plugin Compile Registered Function Class
- *
- * @package    Smarty
- * @subpackage Compiler
- */
-class Smarty_Internal_Compile_Private_Registered_Function extends Smarty_Internal_CompileBase {
-    /**
-     * Attribute definition: Overwrites base class.
-     *
-     * @var array
-     * @see Smarty_Internal_CompileBase
-     */
-    public $optional_attributes = array('_any');
-
-    /**
-     * Compiles code for the execution of a registered function
-     *
-     * @param  array $args array with attributes from parser
-     * @param  object $compiler compiler object
-     * @param  array $parameter array with compilation parameter
-     * @param  string $tag name of function
-     *
-     * @return string compiled code
-     */
-    public function compile($args, $compiler, $parameter, $tag) {
-        // This tag does create output
-        $compiler->has_output = true;
-        // check and get attributes
-        $_attr = $this->getAttributes($compiler, $args);
-        if ($_attr['nocache']) {
-            $compiler->tag_nocache = true;
-        }
-        unset($_attr['nocache']);
-        if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag])) {
-            $tag_info = $compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag];
-        } else {
-            $tag_info = $compiler->default_handler_plugins[Smarty::PLUGIN_FUNCTION][$tag];
-        }
-        // not cachable?
-        $compiler->tag_nocache = $compiler->tag_nocache || !$tag_info[1];
-        // convert attributes into parameter array string
-        $_paramsArray = array();
-        foreach ($_attr as $_key => $_value) {
-            if (is_int($_key)) {
-                $_paramsArray[] = "$_key=>$_value";
-            } elseif ($compiler->template->caching && in_array($_key, $tag_info[2])) {
-                $_value = str_replace("'", "^#^", $_value);
-                $_paramsArray[] = "'$_key'=>^#^.var_export($_value,true).^#^";
-            } else {
-                $_paramsArray[] = "'$_key'=>$_value";
-            }
-        }
-        $_params = 'array(' . implode(",", $_paramsArray) . ')';
-        $function = $tag_info[0];
-        // compile code
-        if (!is_array($function)) {
-            $output = "<?php echo {$function}({$_params},\$_smarty_tpl);?>\n";
-        } elseif (is_object($function[0])) {
-            $output = "<?php echo \$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION]['{$tag}'][0][0]->{$function[1]}({$_params},\$_smarty_tpl);?>\n";
-        } else {
-            $output = "<?php echo {$function[0]}::{$function[1]}({$_params},\$_smarty_tpl);?>\n";
-        }
-
-        return $output;
-    }
-}