diff --git a/src/Symfony/Component/Serializer/Mapping/AttributeMetadataInterface.php b/src/Symfony/Component/Serializer/Mapping/AttributeMetadataInterface.php
index 9d430602c50a0..1b41a8d0c03a1 100644
--- a/src/Symfony/Component/Serializer/Mapping/AttributeMetadataInterface.php
+++ b/src/Symfony/Component/Serializer/Mapping/AttributeMetadataInterface.php
@@ -18,8 +18,6 @@
  *
  * Primarily, the metadata stores serialization groups.
  *
- * @internal
- *
  * @author Kévin Dunglas <dunglas@gmail.com>
  */
 interface AttributeMetadataInterface
diff --git a/src/Symfony/Component/Serializer/Mapping/ClassMetadataInterface.php b/src/Symfony/Component/Serializer/Mapping/ClassMetadataInterface.php
index 3f380d2ff19d2..38aebb4cd3dc2 100644
--- a/src/Symfony/Component/Serializer/Mapping/ClassMetadataInterface.php
+++ b/src/Symfony/Component/Serializer/Mapping/ClassMetadataInterface.php
@@ -18,8 +18,6 @@
  *
  * There may only exist one metadata for each attribute according to its name.
  *
- * @internal
- *
  * @author Kévin Dunglas <dunglas@gmail.com>
  */
 interface ClassMetadataInterface