diff --git a/src/Mixins/Expectation.php b/src/Mixins/Expectation.php
index e3393396..7bb7787c 100644
--- a/src/Mixins/Expectation.php
+++ b/src/Mixins/Expectation.php
@@ -780,7 +780,6 @@ final class Expectation
         }
 
         foreach ($array as $key => $value) {
-            $message = '';
             Assert::assertArrayHasKey($key, $valueAsArray, $message);
 
             $second_message = $message !== '' ? $message : sprintf(