diff --git a/phpBB/config/default/container/services_extensions.yml b/phpBB/config/default/container/services_extensions.yml
index 8999fc8871..2c04716683 100644
--- a/phpBB/config/default/container/services_extensions.yml
+++ b/phpBB/config/default/container/services_extensions.yml
@@ -6,7 +6,6 @@ services:
             - '@dbal.conn'
             - '@config'
             - '@finder.factory'
-            - '@router'
             - '%tables.ext%'
             - '%core.root_path%'
             - '@cache'
diff --git a/phpBB/phpbb/extension/manager.php b/phpBB/phpbb/extension/manager.php
index 99d514a3c7..768c88f3c2 100644
--- a/phpBB/phpbb/extension/manager.php
+++ b/phpBB/phpbb/extension/manager.php
@@ -34,7 +34,6 @@ class manager
 	protected $extension_table;
 	protected $phpbb_root_path;
 	protected $cache_name;
-	protected $router;
 
 	/**
 	* Creates a manager and loads information from database
@@ -43,13 +42,12 @@ class manager
 	* @param \phpbb\db\driver\driver_interface $db A database connection
 	* @param \phpbb\config\config $config Config object
 	* @param finder_factory $finder_factory Finder factory
-	* @param \phpbb\routing\router $router Router
 	* @param string $extension_table The name of the table holding extensions
 	* @param string $phpbb_root_path Path to the phpbb includes directory.
 	* @param \phpbb\cache\service|null $cache A cache instance or null
 	* @param string $cache_name The name of the cache variable, defaults to _ext
 	*/
-	public function __construct(ContainerInterface $container, \phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, finder_factory $finder_factory, \phpbb\routing\router $router, $extension_table, $phpbb_root_path, \phpbb\cache\service $cache = null, $cache_name = '_ext')
+	public function __construct(ContainerInterface $container, \phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, finder_factory $finder_factory, $extension_table, $phpbb_root_path, \phpbb\cache\service $cache = null, $cache_name = '_ext')
 	{
 		$this->cache = $cache;
 		$this->cache_name = $cache_name;
@@ -57,7 +55,6 @@ class manager
 		$this->finder_factory = $finder_factory;
 		$this->container = $container;
 		$this->db = $db;
-		$this->router = $router;
 		$this->extension_table = $extension_table;
 		$this->phpbb_root_path = $phpbb_root_path;
 
@@ -240,11 +237,6 @@ class manager
 			'ext_state'		=> serialize($state),
 		);
 
-		if ($active)
-		{
-			$this->router->without_cache();
-		}
-
 		$this->update_state($name, $extension_data, $this->is_configured($name) ? 'update' : 'insert');
 
 		if ($active)
@@ -294,11 +286,6 @@ class manager
 		$state = $extension->disable_step($old_state);
 		$active = ($state !== false);
 
-		if (!$active)
-		{
-			$this->router->without_cache();
-		}
-
 		$extension_data = array(
 			'ext_active'	=> $active,
 			'ext_state'		=> serialize($state),
diff --git a/phpBB/phpbb/routing/router.php b/phpBB/phpbb/routing/router.php
index 8e789d3ffa..18285c06d5 100644
--- a/phpBB/phpbb/routing/router.php
+++ b/phpBB/phpbb/routing/router.php
@@ -92,11 +92,6 @@ class router implements RouterInterface
 	 */
 	protected $debug_url_matcher;
 
-	/**
-	 * @var bool
-	 */
-	protected $use_cache;
-
 	/**
 	 * Construct method
 	 *
@@ -118,7 +113,6 @@ class router implements RouterInterface
 		$this->cache_dir			= $cache_dir;
 		$this->debug_url_generator	= $debug_url_generator;
 		$this->debug_url_matcher    = $debug_url_matcher;
-		$this->use_cache			= true;
 	}
 
 	/**
@@ -198,22 +192,6 @@ class router implements RouterInterface
 		return $this->get_matcher()->match($pathinfo);
 	}
 
-	/**
-	 * Enables the use of a cached URL generator and matcher
-	 */
-	public function with_cache()
-	{
-		$this->use_cache = true;
-	}
-
-	/**
-	 * Disables the use of a cached URL generator and matcher
-	 */
-	public function without_cache()
-	{
-		$this->use_cache = false;
-	}
-
 	/**
 	 * Gets the UrlMatcher instance associated with this Router.
 	 *
@@ -236,12 +214,6 @@ class router implements RouterInterface
 	 */
 	protected function create_dumped_url_matcher()
 	{
-		if (!$this->use_cache)
-		{
-			$this->create_new_url_matcher();
-			return;
-		}
-
 		try
 		{
 			$cache = new ConfigCache("{$this->cache_dir}url_matcher.{$this->php_ext}", $this->debug_url_matcher);
@@ -290,12 +262,6 @@ class router implements RouterInterface
 	 */
 	protected function create_dumped_url_generator()
 	{
-		if (!$this->use_cache)
-		{
-			$this->create_new_url_generator();
-			return;
-		}
-
 		try
 		{
 			$cache = new ConfigCache("{$this->cache_dir}url_generator.{$this->php_ext}", $this->debug_url_generator);
diff --git a/tests/dbal/migrator_test.php b/tests/dbal/migrator_test.php
index 5ce618ddf9..67185b9362 100644
--- a/tests/dbal/migrator_test.php
+++ b/tests/dbal/migrator_test.php
@@ -87,7 +87,6 @@ class phpbb_dbal_migrator_test extends phpbb_database_test_case
 			$this->db,
 			$this->config,
 			$finder_factory,
-			new phpbb_mock_dummy_router(),
 			'phpbb_ext',
 			__DIR__ . '/../../phpBB/',
 			null
diff --git a/tests/extension/manager_test.php b/tests/extension/manager_test.php
index 9edac8f3b6..d8b899ad7f 100644
--- a/tests/extension/manager_test.php
+++ b/tests/extension/manager_test.php
@@ -186,7 +186,6 @@ class phpbb_extension_manager_test extends phpbb_database_test_case
 			$db,
 			$config,
 			$finder_factory,
-			new phpbb_mock_dummy_router(),
 			'phpbb_ext',
 			__DIR__ . '/',
 			($with_cache) ? new \phpbb\cache\service(new phpbb_mock_cache(), $config, $db, $phpbb_root_path, $php_ext) : null
diff --git a/tests/extension/metadata_manager_test.php b/tests/extension/metadata_manager_test.php
index 5591e3e316..df246ffeab 100644
--- a/tests/extension/metadata_manager_test.php
+++ b/tests/extension/metadata_manager_test.php
@@ -101,7 +101,6 @@ class phpbb_extension_metadata_manager_test extends phpbb_database_test_case
 			$this->db,
 			$this->config,
 			$finder_factory,
-			new phpbb_mock_dummy_router(),
 			'phpbb_ext',
 			$this->phpbb_root_path,
 			$this->cache
diff --git a/tests/mock/extension_manager.php b/tests/mock/extension_manager.php
index 3f549700de..e07c856a18 100644
--- a/tests/mock/extension_manager.php
+++ b/tests/mock/extension_manager.php
@@ -24,6 +24,5 @@ class phpbb_mock_extension_manager extends \phpbb\extension\manager
 		$this->container = $container;
 		$this->config = new \phpbb\config\config(array());
 		$this->finder_factory = new \phpbb\finder\factory(null, false, $this->phpbb_root_path, $phpEx);
-		$this->router = new phpbb_mock_dummy_router();
 	}
 }
diff --git a/tests/test_framework/phpbb_functional_test_case.php b/tests/test_framework/phpbb_functional_test_case.php
index 238bbf7312..cce113d144 100644
--- a/tests/test_framework/phpbb_functional_test_case.php
+++ b/tests/test_framework/phpbb_functional_test_case.php
@@ -276,7 +276,6 @@ class phpbb_functional_test_case extends phpbb_test_case
 			$db,
 			$config,
 			$finder_factory,
-			new phpbb_mock_dummy_router(),
 			self::$config['table_prefix'] . 'ext',
 			__DIR__ . '/',
 			new \phpbb\cache\service($this->get_cache_driver(), $config, $this->db, $phpbb_root_path, $phpEx)