diff --git a/core/tests/Drupal/Tests/Core/Routing/RequestFormatRouteFilterTest.php b/core/tests/Drupal/Tests/Core/Routing/RequestFormatRouteFilterTest.php
index 6eec8fdf92621ab940e366b6c86d78601b0ad883..4fff4c66074ec55c1170a8a468d108131ecd0183 100644
--- a/core/tests/Drupal/Tests/Core/Routing/RequestFormatRouteFilterTest.php
+++ b/core/tests/Drupal/Tests/Core/Routing/RequestFormatRouteFilterTest.php
@@ -35,9 +35,9 @@ public function testFilter(RouteCollection $collection, $request_format, array $
 
   public function filterProvider() {
     $route_without_format = new Route('/test');
-    $route_with_format = $route = new Route('/test');
+    $route_with_format = new Route('/test');
     $route_with_format->setRequirement('_format', 'json');
-    $route_with_multiple_formats = $route = new Route('/test');
+    $route_with_multiple_formats = new Route('/test');
     $route_with_multiple_formats->setRequirement('_format', 'json|xml');
 
     $collection = new RouteCollection();
@@ -71,7 +71,7 @@ public function testNoRouteFound() {
     \Drupal::setContainer($container);
 
     $collection = new RouteCollection();
-    $route_with_format = $route = new Route('/test');
+    $route_with_format = new Route('/test');
     $route_with_format->setRequirement('_format', 'json');
     $collection->add('test_0', $route_with_format);
     $collection->add('test_1', clone $route_with_format);
@@ -102,7 +102,7 @@ public function testNoRouteFoundWhenNoRequestFormatAndSingleRouteWithMultipleFor
     \Drupal::setContainer($container);
 
     $collection = new RouteCollection();
-    $route_with_format = $route = new Route('/test');
+    $route_with_format = new Route('/test');
     $route_with_format->setRequirement('_format', 'json|xml');
     $collection->add('sole_route_multiple_formats', $route_with_format);