diff --git a/src/EventBus/Message.php b/src/EventBus/Message.php
index 21a090a93..1d8f18778 100644
--- a/src/EventBus/Message.php
+++ b/src/EventBus/Message.php
@@ -8,7 +8,6 @@
 use Patchlevel\EventSourcing\Aggregate\AggregateRoot;
 
 use function array_key_exists;
-use function array_keys;
 
 /**
  * @template-covariant T of object
diff --git a/tests/Unit/EventBus/MessageTest.php b/tests/Unit/EventBus/MessageTest.php
index 63080816b..b76defc54 100644
--- a/tests/Unit/EventBus/MessageTest.php
+++ b/tests/Unit/EventBus/MessageTest.php
@@ -120,8 +120,7 @@ public function testCustomHeaders(): void
             ->withPlayhead(1)
             ->withRecordedOn($recordedAt)
             ->withCustomHeader('custom-field', 'foo-bar')
-            ->withCustomHeader('valueiskey', 'valueiskey')
-        ;
+            ->withCustomHeader('valueiskey', 'valueiskey');
 
         self::assertEquals(
             ['custom-field' => 'foo-bar', 'valueiskey' => 'valueiskey'],