diff --git a/src/Bundle/ChillCustomFieldsBundle/Controller/CustomFieldsGroupController.php b/src/Bundle/ChillCustomFieldsBundle/Controller/CustomFieldsGroupController.php
index 08f41d565..dcb22e9c8 100644
--- a/src/Bundle/ChillCustomFieldsBundle/Controller/CustomFieldsGroupController.php
+++ b/src/Bundle/ChillCustomFieldsBundle/Controller/CustomFieldsGroupController.php
@@ -237,7 +237,7 @@ class CustomFieldsGroupController extends AbstractController
         ]);
     }
 
-    private function createCreateFieldForm(CustomFieldsGroup $customFieldsGroup)
+    private function createCreateFieldForm(CustomFieldsGroup $customFieldsGroup): \Symfony\Component\Form\FormInterface
     {
         $fieldChoices = [];
 
diff --git a/src/Bundle/ChillEventBundle/Search/EventSearch.php b/src/Bundle/ChillEventBundle/Search/EventSearch.php
index 495eeea7f..10e034aed 100644
--- a/src/Bundle/ChillEventBundle/Search/EventSearch.php
+++ b/src/Bundle/ChillEventBundle/Search/EventSearch.php
@@ -177,7 +177,7 @@ class EventSearch extends AbstractSearch
         return $qb;
     }
 
-    protected function count(array $terms)
+    protected function count(array $terms): mixed
     {
         $qb = $this->eventRepository->createQueryBuilder('e');
         $qb->select('COUNT(e)');
@@ -191,7 +191,7 @@ class EventSearch extends AbstractSearch
         return ['date-from', 'date-to', 'name', 'date'];
     }
 
-    protected function search(array $terms, $start, $limit, $options)
+    protected function search(array $terms, $start, $limit, $options): mixed
     {
         $qb = $this->eventRepository->createQueryBuilder('e');
         $qb->select('e');
diff --git a/src/Bundle/ChillMainBundle/Controller/SearchController.php b/src/Bundle/ChillMainBundle/Controller/SearchController.php
index 76cb13137..8b48a468e 100644
--- a/src/Bundle/ChillMainBundle/Controller/SearchController.php
+++ b/src/Bundle/ChillMainBundle/Controller/SearchController.php
@@ -207,7 +207,7 @@ class SearchController extends AbstractController
         return $this->json($collection, \Symfony\Component\HttpFoundation\Response::HTTP_OK, [], ['groups' => ['read']]);
     }
 
-    protected function createAdvancedSearchForm($name, array $data = [])
+    protected function createAdvancedSearchForm($name, array $data = []): \Symfony\Component\Form\FormInterface
     {
         $builder = $this->formFactory
             ->createNamedBuilder(
diff --git a/src/Bundle/ChillMainBundle/Export/Formatter/CSVFormatter.php b/src/Bundle/ChillMainBundle/Export/Formatter/CSVFormatter.php
index 9535c6533..248b1d11d 100644
--- a/src/Bundle/ChillMainBundle/Export/Formatter/CSVFormatter.php
+++ b/src/Bundle/ChillMainBundle/Export/Formatter/CSVFormatter.php
@@ -313,12 +313,12 @@ class CSVFormatter implements FormatterInterface
         return $text;
     }
 
-    protected function getColumnHeaders()
+    protected function getColumnHeaders(): array
     {
         return $this->getPositionnalHeaders('c');
     }
 
-    protected function getRowHeaders()
+    protected function getRowHeaders(): array
     {
         return $this->getPositionnalHeaders('r');
     }
diff --git a/src/Bundle/ChillMainBundle/Templating/ChillTwigRoutingHelper.php b/src/Bundle/ChillMainBundle/Templating/ChillTwigRoutingHelper.php
index bfc5af09b..588c77838 100644
--- a/src/Bundle/ChillMainBundle/Templating/ChillTwigRoutingHelper.php
+++ b/src/Bundle/ChillMainBundle/Templating/ChillTwigRoutingHelper.php
@@ -23,7 +23,7 @@ use Twig\TwigFunction;
  *
  * The logic of the function is based on the original routing extension.
  */
-class ChillTwigRoutingHelper extends AbstractExtension
+class ChillTwigRoutingHelper
 {
     /**
      * @var RoutingExtension
@@ -75,6 +75,7 @@ class ChillTwigRoutingHelper extends AbstractExtension
         return $this->originalExtension->getPath($name, $params, $relative);
     }
 
+    #[\Twig\Attribute\AsTwigFilter('chill_return_path_label')]
     public function getLabelReturnPath($default)
     {
         $request = $this->requestStack->getCurrentRequest();
@@ -150,11 +151,4 @@ class ChillTwigRoutingHelper extends AbstractExtension
     {
         return $this->originalExtension->isUrlGenerationSafe($argsNode);
     }
-
-    public function getFilters(): array
-    {
-        return [
-            new TwigFilter('chill_return_path_label', $this->getLabelReturnPath(...)),
-        ];
-    }
 }