diff --git a/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestContextAwareBlock.php b/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestContextAwareBlock.php
index 70afd54cea..9d05c27407 100644
--- a/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestContextAwareBlock.php
+++ b/core/modules/block/tests/modules/block_test/src/Plugin/Block/TestContextAwareBlock.php
@@ -20,8 +20,6 @@
  */
 class TestContextAwareBlock extends BlockBase {
 
-  use MessengerTrait;
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldFormButtonTest.php b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldFormButtonTest.php
index a5d6b4dad9..82eaaeff5d 100644
--- a/core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldFormButtonTest.php
+++ b/core/modules/views/tests/modules/views_test_data/src/Plugin/views/field/FieldFormButtonTest.php
@@ -17,7 +17,6 @@
  */
 class FieldFormButtonTest extends FieldPluginBase {
 
-  use MessengerTrait;
   use UncacheableFieldHandlerTrait;
 
   /**