diff --git a/src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php b/src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php
index 59cdb123b404d..79852f5481121 100644
--- a/src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php
+++ b/src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php
@@ -371,6 +371,9 @@ public static function objectMapperProvider(): iterable
         yield [new ObjectMapper(new ReflectionObjectMapperMetadataFactory(), PropertyAccess::createPropertyAccessor())];
     }
 
+    /**
+     * @group legacy
+     */
     public function testMapInitializesLazyObject()
     {
         $lazy = new LazyFoo();