diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleMappingTest.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleMappingTest.php
index a376b42..f745a08 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleMappingTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleMappingTest.php
@@ -56,7 +56,6 @@ public function testMappedOutput() {
   protected function mappedOutputHelper($view) {
     $rendered_output = $view->preview();
     $this->storeViewPreview($rendered_output);
-    debug($rendered_output);
     $rows = $this->elements->body->div->div->div;
     $data_set = $this->dataSet();