diff --git a/src/Symfony/Component/Serializer/DataCollector/SerializerDataCollector.php b/src/Symfony/Component/Serializer/DataCollector/SerializerDataCollector.php
index 671239d28c7fb..2880dea37d8f2 100644
--- a/src/Symfony/Component/Serializer/DataCollector/SerializerDataCollector.php
+++ b/src/Symfony/Component/Serializer/DataCollector/SerializerDataCollector.php
@@ -21,7 +21,7 @@
 /**
  * @author Mathias Arlaud <mathias.arlaud@gmail.com>
  *
- * @internal
+ * @final
  */
 class SerializerDataCollector extends DataCollector implements LateDataCollectorInterface
 {
diff --git a/src/Symfony/Component/Serializer/Debug/TraceableEncoder.php b/src/Symfony/Component/Serializer/Debug/TraceableEncoder.php
index 0795d14ca0cfa..afefee0ee6fb6 100644
--- a/src/Symfony/Component/Serializer/Debug/TraceableEncoder.php
+++ b/src/Symfony/Component/Serializer/Debug/TraceableEncoder.php
@@ -23,7 +23,7 @@
  *
  * @author Mathias Arlaud <mathias.arlaud@gmail.com>
  *
- * @internal
+ * @final
  */
 class TraceableEncoder implements EncoderInterface, DecoderInterface, SerializerAwareInterface
 {
diff --git a/src/Symfony/Component/Serializer/Debug/TraceableNormalizer.php b/src/Symfony/Component/Serializer/Debug/TraceableNormalizer.php
index fc4db40ad1988..88ab4863d2eac 100644
--- a/src/Symfony/Component/Serializer/Debug/TraceableNormalizer.php
+++ b/src/Symfony/Component/Serializer/Debug/TraceableNormalizer.php
@@ -25,7 +25,7 @@
  *
  * @author Mathias Arlaud <mathias.arlaud@gmail.com>
  *
- * @internal
+ * @final
  */
 class TraceableNormalizer implements NormalizerInterface, DenormalizerInterface, SerializerAwareInterface, NormalizerAwareInterface, DenormalizerAwareInterface, CacheableSupportsMethodInterface
 {
diff --git a/src/Symfony/Component/Serializer/Debug/TraceableSerializer.php b/src/Symfony/Component/Serializer/Debug/TraceableSerializer.php
index 789ae65ca0aa8..dd22e8678e782 100644
--- a/src/Symfony/Component/Serializer/Debug/TraceableSerializer.php
+++ b/src/Symfony/Component/Serializer/Debug/TraceableSerializer.php
@@ -24,7 +24,7 @@
  *
  * @author Mathias Arlaud <mathias.arlaud@gmail.com>
  *
- * @internal
+ * @final
  */
 class TraceableSerializer implements SerializerInterface, NormalizerInterface, DenormalizerInterface, EncoderInterface, DecoderInterface
 {