diff --git a/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandler.php b/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandler.php
index 6ae9c469bb..6036636f5c 100644
--- a/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandler.php
+++ b/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandler.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Bridge\Doctrine\HttpFoundation;
 
+@trigger_error(sprintf('The class %s is deprecated since version 3.4 and will be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler instead.', DbalSessionHandler::class), E_USER_DEPRECATED);
+
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Driver\DriverException;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
@@ -25,6 +27,8 @@ use Doctrine\DBAL\Platforms\SQLServer2008Platform;
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  * @author Tobias Schultze <http://tobion.de>
+ *
+ * @deprecated since version 3.4, to be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler instead.
  */
 class DbalSessionHandler implements \SessionHandlerInterface
 {
diff --git a/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandlerSchema.php b/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandlerSchema.php
index 978373da0c..7af50a6507 100644
--- a/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandlerSchema.php
+++ b/src/Symfony/Bridge/Doctrine/HttpFoundation/DbalSessionHandlerSchema.php
@@ -11,12 +11,16 @@
 
 namespace Symfony\Bridge\Doctrine\HttpFoundation;
 
+@trigger_error(sprintf('The class %s is deprecated since version 3.4 and will be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler::createTable instead.', DbalSessionHandlerSchema::class), E_USER_DEPRECATED);
+
 use Doctrine\DBAL\Schema\Schema;
 
 /**
  * DBAL Session Storage Schema.
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ *
+ * @deprecated since version 3.4, to be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler::createTable instead.
  */
 final class DbalSessionHandlerSchema extends Schema
 {
diff --git a/src/Symfony/Bridge/Doctrine/Tests/HttpFoundation/DbalSessionHandlerTest.php b/src/Symfony/Bridge/Doctrine/Tests/HttpFoundation/DbalSessionHandlerTest.php
index 1c9c82bc12..8d46bf9e63 100644
--- a/src/Symfony/Bridge/Doctrine/Tests/HttpFoundation/DbalSessionHandlerTest.php
+++ b/src/Symfony/Bridge/Doctrine/Tests/HttpFoundation/DbalSessionHandlerTest.php
@@ -18,6 +18,8 @@ use Symfony\Bridge\Doctrine\HttpFoundation\DbalSessionHandler;
  * Test class for DbalSessionHandler.
  *
  * @author Drak <drak@zikula.org>
+ *
+ * @group legacy
  */
 class DbalSessionHandlerTest extends TestCase
 {