diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index faa8c70..d53ace7 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -27,14 +27,13 @@ final class Configuration implements ConfigurationInterface
                     ->addDefaultsIfNotSet()
                     ->children()
                         ->arrayNode('path_patterns')
-                            ->example(array('^/api', '^/api(?!/admin)'))
+                            ->example(['^/api', '^/api(?!/admin)'])
                             ->prototype('scalar')->end()
                         ->end()
                     ->end()
                 ->end()
             ->end();
 
-
         return $treeBuilder;
     }
 }
diff --git a/Tests/Describer/RouteDescriberTest.php b/Tests/Describer/RouteDescriberTest.php
index bb97448..8b5b6b0 100644
--- a/Tests/Describer/RouteDescriberTest.php
+++ b/Tests/Describer/RouteDescriberTest.php
@@ -41,7 +41,7 @@ class RouteDescriberTest extends AbstractDescriberTest
             new Container(),
             $this->routes,
             $this->createMock(ControllerNameParser::class),
-            [ $this->routeDescriber ]
+            [$this->routeDescriber]
         );
     }
 }
diff --git a/Tests/Functional/Controller/UndocumentedController.php b/Tests/Functional/Controller/UndocumentedController.php
index e0a2c5d..4103db0 100644
--- a/Tests/Functional/Controller/UndocumentedController.php
+++ b/Tests/Functional/Controller/UndocumentedController.php
@@ -11,7 +11,6 @@
 
 namespace EXSyst\Bundle\ApiDocBundle\Tests\Functional\Controller;
 
-use Nelmio\ApiDocBundle\Annotation\ApiDoc;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 
 class UndocumentedController