diff -u b/dbtng_example/dbtng_example.module b/dbtng_example/dbtng_example.module
--- b/dbtng_example/dbtng_example.module
+++ b/dbtng_example/dbtng_example.module
@@ -12,8 +12,6 @@
  * at @link http://drupal.org/node/310069 @endlink.
  */
 
-use Symfony\Component\HttpFoundation\Request;
-
 /**
  * @defgroup dbtng_example Example: Database (DBTNG)
  * @ingroup examples
@@ -67,7 +65,7 @@
  *
  * Show some help on each form provided by this module.
  */
-function dbtng_example_help($route_name, Request $request) {
+function dbtng_example_help($route_name, array $arg) {
   $output = '';
   switch ($route_name) {
     case 'dbtng':