diff --git a/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php b/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
index eff1245d41fa2..44e306add3e05 100644
--- a/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
+++ b/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
@@ -263,9 +263,11 @@ public function configureOptions(OptionsResolver $resolver)
     /**
      * Return the default loader object.
      *
+     * @param mixed $queryBuilder
+     *
      * @return EntityLoaderInterface
      */
-    abstract public function getLoader(ObjectManager $manager, QueryBuilder $queryBuilder, string $class);
+    abstract public function getLoader(ObjectManager $manager, $queryBuilder, string $class);
 
     public function getParent()
     {
diff --git a/src/Symfony/Bridge/Doctrine/Form/Type/EntityType.php b/src/Symfony/Bridge/Doctrine/Form/Type/EntityType.php
index 6429ede4ca4ab..716def91026c3 100644
--- a/src/Symfony/Bridge/Doctrine/Form/Type/EntityType.php
+++ b/src/Symfony/Bridge/Doctrine/Form/Type/EntityType.php
@@ -46,9 +46,11 @@ public function configureOptions(OptionsResolver $resolver)
     /**
      * Return the default loader object.
      *
+     * @param QueryBuilder $queryBuilder
+     *
      * @return ORMQueryBuilderLoader
      */
-    public function getLoader(ObjectManager $manager, QueryBuilder $queryBuilder, string $class)
+    public function getLoader(ObjectManager $manager, $queryBuilder, string $class)
     {
         if (!$queryBuilder instanceof QueryBuilder) {
             throw new \TypeError(sprintf('Expected an instance of %s, but got %s.', QueryBuilder::class, \is_object($queryBuilder) ? \get_class($queryBuilder) : \gettype($queryBuilder)));