diff --git a/src/Symfony/Bridge/Doctrine/Test/DoctrineTestHelper.php b/src/Symfony/Bridge/Doctrine/Test/DoctrineTestHelper.php
index 4821fffc616e3..c26bc875f241e 100644
--- a/src/Symfony/Bridge/Doctrine/Test/DoctrineTestHelper.php
+++ b/src/Symfony/Bridge/Doctrine/Test/DoctrineTestHelper.php
@@ -25,7 +25,7 @@
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
  *
- * @deprecated in 5.3, will be removed in 6.0.
+ * @deprecated since Symfony 5.3
  */
 class DoctrineTestHelper
 {
diff --git a/src/Symfony/Bridge/Doctrine/Test/TestRepositoryFactory.php b/src/Symfony/Bridge/Doctrine/Test/TestRepositoryFactory.php
index ed63b6bd03bcb..80964663c340c 100644
--- a/src/Symfony/Bridge/Doctrine/Test/TestRepositoryFactory.php
+++ b/src/Symfony/Bridge/Doctrine/Test/TestRepositoryFactory.php
@@ -19,7 +19,7 @@
 /**
  * @author Andreas Braun <alcaeus@alcaeus.org>
  *
- * @deprecated in 5.3, will be removed in 6.0.
+ * @deprecated since Symfony 5.3
  */
 class TestRepositoryFactory implements RepositoryFactory
 {
diff --git a/src/Symfony/Bridge/Monolog/Handler/SwiftMailerHandler.php b/src/Symfony/Bridge/Monolog/Handler/SwiftMailerHandler.php
index d5470c6b18916..c0e678f30c783 100644
--- a/src/Symfony/Bridge/Monolog/Handler/SwiftMailerHandler.php
+++ b/src/Symfony/Bridge/Monolog/Handler/SwiftMailerHandler.php
@@ -15,12 +15,16 @@
 use Symfony\Component\Console\Event\ConsoleTerminateEvent;
 use Symfony\Component\HttpKernel\Event\TerminateEvent;
 
+trigger_deprecation('symfony/monolog-bridge', '5.4', '"%s" is deprecated and will be removed in 6.0.', SwiftMailerHandler::class);
+
 /**
  * Extended SwiftMailerHandler that flushes mail queue if necessary.
  *
  * @author Philipp Kräutli <pkraeutli@astina.ch>
  *
  * @final
+ *
+ * @deprecated since Symfony 5.4
  */
 class SwiftMailerHandler extends BaseSwiftMailerHandler
 {