diff --git a/src/Bundle/ChillMainBundle/Controller/ExportController.php b/src/Bundle/ChillMainBundle/Controller/ExportController.php
index d00d9d040..96c9ed08d 100644
--- a/src/Bundle/ChillMainBundle/Controller/ExportController.php
+++ b/src/Bundle/ChillMainBundle/Controller/ExportController.php
@@ -22,6 +22,7 @@ use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\FormFactoryInterface;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Session\SessionInterface;
@@ -191,18 +192,12 @@ class ExportController extends AbstractController
             case 'export':
                 return $this->exportFormStep($request, $export, $alias);
 
-                break;
-
             case 'formatter':
                 return $this->formatterFormStep($request, $export, $alias);
 
-                break;
-
             case 'generate':
                 return $this->forwardToGenerate($request, $export, $alias);
 
-                break;
-
             default:
                 throw $this->createNotFoundException("The given step '{$step}' is invalid");
         }
@@ -214,10 +209,8 @@ class ExportController extends AbstractController
      * @param string $alias
      * @param array $data the data from previous step. Required for steps 'formatter' and 'generate_formatter'
      * @param mixed $step
-     *
-     * @return \Symfony\Component\Form\Form
      */
-    protected function createCreateFormExport($alias, $step, $data = [])
+    protected function createCreateFormExport($alias, $step, $data = []): FormInterface
     {
         /** @var \Chill\MainBundle\Export\ExportManager $exportManager */
         $exportManager = $this->exportManager;
@@ -475,8 +468,6 @@ class ExportController extends AbstractController
      * @param \Chill\MainBundle\Export\DirectExportInterface|\Chill\MainBundle\Export\ExportInterface $export
      * @param string $alias
      *
-     * @throws type
-     *
      * @return Response
      */
     protected function selectCentersStep(Request $request, $export, $alias)
@@ -543,6 +534,8 @@ class ExportController extends AbstractController
                 }
             }
         }
+
+        return '';
     }
 
     /**