diff --git a/phpBB/includes/functions_url_matcher.php b/phpBB/includes/functions_url_matcher.php
deleted file mode 100644
index 19aebd1fbc..0000000000
--- a/phpBB/includes/functions_url_matcher.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-/**
-*
-* This file is part of the phpBB Forum Software package.
-*
-* @copyright (c) phpBB Limited <https://www.phpbb.com>
-* @license GNU General Public License, version 2 (GPL-2.0)
-*
-* For full copyright and license information, please see
-* the docs/CREDITS.txt file.
-*
-*/
-
-use Symfony\Component\Config\ConfigCache;
-use Symfony\Component\Routing\Matcher\Dumper\PhpMatcherDumper;
-use Symfony\Component\Routing\Matcher\UrlMatcher;
-use Symfony\Component\Routing\RequestContext;
-
-/**
-* @ignore
-*/
-if (!defined('IN_PHPBB'))
-{
-	exit;
-}
-
-/**
-* Create a new UrlMatcher class and dump it into the cache file
-*
-* @param \phpbb\extension\manager $manager Extension manager
-* @param RequestContext $context Symfony RequestContext object
-* @param string $root_path Root path
-* @param string $php_ext PHP file extension
-* @return null
-*/
-function phpbb_get_url_matcher(\phpbb\extension\manager $manager, RequestContext $context, $root_path, $php_ext)
-{
-	global $phpbb_container;
-
-	$config_cache = new ConfigCache($root_path . 'cache/' . $phpbb_container->getParameter('core.environment') . '/url_matcher.' . $php_ext, defined('DEBUG'));
-	if (!$config_cache->isFresh())
-	{
-		phpbb_create_dumped_url_matcher($manager, $root_path, $config_cache);
-	}
-
-	return phpbb_load_url_matcher($context, $root_path, $php_ext);
-}
-
-/**
-* Create a new UrlMatcher class and dump it into the cache file
-*
-* @param \phpbb\extension\manager $manager Extension manager
-* @param string $root_path Root path* @param ConfigCache $config_cache The config cache
-* @return null
-*/
-function phpbb_create_dumped_url_matcher(\phpbb\extension\manager $manager, $root_path, $config_cache)
-{
-	global $phpbb_container;
-
-	$provider = new \phpbb\controller\provider($phpbb_container->getParameter('core.environment'), $root_path);
-	$provider->find_routing_files($manager->all_enabled());
-	$routes = $provider->find()->get_routes();
-	$dumper = new PhpMatcherDumper($routes);
-	$cached_url_matcher_dump = $dumper->dump(array(
-		'class'			=> 'phpbb_url_matcher',
-	));
-
-	$config_cache->write($cached_url_matcher_dump, $routes->getResources());
-}
-
-/**
-* Create a non-cached UrlMatcher
-*
-* @param \phpbb\extension\manager $manager Extension manager
-* @param RequestContext $context Symfony RequestContext object
-* @return UrlMatcher
-*/
-function phpbb_create_url_matcher(\phpbb\extension\manager $manager, RequestContext $context, $root_path)
-{
-	global $phpbb_container;
-
-	$provider = new \phpbb\controller\provider($phpbb_container->getParameter('core.environment'), $root_path);
-	$provider->find_routing_files($manager->all_enabled());
-	$routes = $provider->find()->get_routes();
-	return new UrlMatcher($routes, $context);
-}
-
-/**
-* Load the cached phpbb_url_matcher class
-*
-* @param RequestContext $context Symfony RequestContext object
-* @param string $root_path Root path
-* @param string $php_ext PHP file extension
-* @return phpbb_url_matcher
-*/
-function phpbb_load_url_matcher(RequestContext $context, $root_path, $php_ext)
-{
-	global $phpbb_container;
-
-	require($root_path . 'cache/' . $phpbb_container->getParameter('core.environment') . '/url_matcher.' . $php_ext);
-	return new phpbb_url_matcher($context);
-}