diff --git a/engine/src/flutter/lib/ui/ui.dart b/engine/src/flutter/lib/ui/ui.dart
index 06801404d84..2d59f4e6a50 100644
--- a/engine/src/flutter/lib/ui/ui.dart
+++ b/engine/src/flutter/lib/ui/ui.dart
@@ -11,7 +11,6 @@
 /// text, layout, and rendering subsystems.
 library dart.ui;
 
-import 'dart:_internal';
 import 'dart:async';
 import 'dart:convert';
 import 'dart:developer' as developer;