diff --git a/features/mink_integration/accessing_drivers_service_container.feature b/features/mink_integration/accessing_drivers_service_container.feature
index f923ebb..44bb5c2 100644
--- a/features/mink_integration/accessing_drivers_service_container.feature
+++ b/features/mink_integration/accessing_drivers_service_container.feature
@@ -24,7 +24,6 @@ Feature: Accessing driver's service container
                 Given the counter service is zeroed
                 When I visit the page "/hello-world"
                 Then the counter service should return 1
-
         """
         And a context file "tests/SomeContext.php" containing:
         """
@@ -74,26 +73,26 @@ Feature: Accessing driver's service container
 
     Scenario: Accessing a service from driver's service container (manually injected dependencies)
         Given a YAML services file containing:
-            """
-            services:
-                App\Tests\SomeContext:
-                    public: true
-                    arguments:
-                        - '@behat.mink'
-                        - '@behat.driver.service_container'
-            """
+        """
+        services:
+            App\Tests\SomeContext:
+                public: true
+                arguments:
+                    - '@behat.mink'
+                    - '@behat.driver.service_container'
+        """
         When I run Behat
         Then it should pass
 
     Scenario: Accessing a service from driver's service container (autowired & autoconfigured dependencies)
         Given a YAML services file containing:
-            """
-            services:
-                _defaults:
-                    autowire: true
-                    autoconfigure: true
+        """
+        services:
+            _defaults:
+                autowire: true
+                autoconfigure: true
 
-                App\Tests\SomeContext: ~
-            """
+            App\Tests\SomeContext: ~
+        """
         When I run Behat
         Then it should pass
diff --git a/src/Bundle/DependencyInjection/FriendsOfBehatSymfonyExtensionExtension.php b/src/Bundle/DependencyInjection/FriendsOfBehatSymfonyExtensionExtension.php
index c014a41..cb8c4ff 100644
--- a/src/Bundle/DependencyInjection/FriendsOfBehatSymfonyExtensionExtension.php
+++ b/src/Bundle/DependencyInjection/FriendsOfBehatSymfonyExtensionExtension.php
@@ -16,7 +16,6 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
-use Symfony\Component\HttpKernel\Kernel;
 use Symfony\Component\HttpKernel\KernelInterface;
 
 final class FriendsOfBehatSymfonyExtensionExtension extends Extension implements CompilerPassInterface