diff --git a/src/Symfony/Component/Validator/PropertyMetadataContainerInterface.php b/src/Symfony/Component/Validator/PropertyMetadataContainerInterface.php
index 91b286ab26e4..a27195854761 100644
--- a/src/Symfony/Component/Validator/PropertyMetadataContainerInterface.php
+++ b/src/Symfony/Component/Validator/PropertyMetadataContainerInterface.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Validator;
 
+trigger_error('Symfony\Component\Validator\PropertyMetadataContainerInterface is deprecated since version 2.5 and will be removed in 3.0. Use Symfony\Component\Validator\Mapping\ClassMetadataInterface instead.', E_USER_DEPRECATED);
+
 /**
  * A container for {@link PropertyMetadataInterface} instances.
  *