diff --git a/packages/flutter_test/lib/src/widget_tester.dart b/packages/flutter_test/lib/src/widget_tester.dart
index d2fa0d604d7..c7e88a3284d 100644
--- a/packages/flutter_test/lib/src/widget_tester.dart
+++ b/packages/flutter_test/lib/src/widget_tester.dart
@@ -173,7 +173,7 @@ void testWidgets(
 Future<void> benchmarkWidgets(
   WidgetTesterCallback callback, {
   bool mayRunWithAsserts = false,
-  bool semanticsEnabled = true,
+  bool semanticsEnabled = false,
 }) {
   assert(() {
     if (mayRunWithAsserts)