diff --git a/core/tests/Drupal/Tests/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumperTest.php b/core/tests/Drupal/Tests/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumperTest.php
index 64696d909f..e081649b8f 100644
--- a/core/tests/Drupal/Tests/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumperTest.php
+++ b/core/tests/Drupal/Tests/Component/DependencyInjection/Dumper/OptimizedPhpArrayDumperTest.php
@@ -556,7 +556,6 @@ public function testGetServiceDefinitionForExpression() {
      * Tests that the correct RuntimeException is thrown for dumping an object.
      *
      * @covers ::dumpValue
-     * @group legacy
      */
     public function testGetServiceDefinitionForObject() {
       $service = new \stdClass();
@@ -568,7 +567,6 @@ public function testGetServiceDefinitionForObject() {
 
       $this->containerBuilder->getDefinitions()->willReturn($services);
       $this->expectException(RuntimeException::class);
-      $this->expectDeprecation('_serviceId is deprecated in drupal:9.5.0 and is removed from drupal:10.0.0. Use DrupalKernelInterface::getServiceIdMapping() instead. See https://www.drupal.org/node/3292540');
       $this->dumper->getArray();
     }