diff --git a/src/Symfony/Component/Form/Extension/Core/ChoiceList/ChoiceListInterface.php b/src/Symfony/Component/Form/Extension/Core/ChoiceList/ChoiceListInterface.php
index 5f796ae007..019f8b5f6f 100644
--- a/src/Symfony/Component/Form/Extension/Core/ChoiceList/ChoiceListInterface.php
+++ b/src/Symfony/Component/Form/Extension/Core/ChoiceList/ChoiceListInterface.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Form\Extension\Core\ChoiceList;
 
 use Symfony\Component\Form\ChoiceList\ChoiceListInterface as BaseChoiceListInterface;
+use Symfony\Component\Form\FormConfigBuilder;
 
 /**
  * Contains choices that can be selected in a form field.
diff --git a/src/Symfony/Component/Serializer/Mapping/Factory/ClassMetadataFactoryInterface.php b/src/Symfony/Component/Serializer/Mapping/Factory/ClassMetadataFactoryInterface.php
index a03298a06b..7ef91a8231 100644
--- a/src/Symfony/Component/Serializer/Mapping/Factory/ClassMetadataFactoryInterface.php
+++ b/src/Symfony/Component/Serializer/Mapping/Factory/ClassMetadataFactoryInterface.php
@@ -31,7 +31,7 @@ interface ClassMetadataFactoryInterface
      *
      * Otherwise, a new metadata instance is created. If the factory was
      * configured with a loader, the metadata is passed to the
-     * {@link LoaderInterface::loadClassMetadata()} method for further
+     * {@link \Symfony\Component\Serializer\Mapping\Loader\LoaderInterface::loadClassMetadata()} method for further
      * configuration. At last, the new object is returned.
      *
      * @param string|object $value