diff --git a/dev/tools/test/common.dart b/dev/tools/test/common.dart
index 531a03f731..2ee366765f 100644
--- a/dev/tools/test/common.dart
+++ b/dev/tools/test/common.dart
@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:dev_tools/stdio.dart';
diff --git a/dev/tracing_tests/test/image_painting_event_test.dart b/dev/tracing_tests/test/image_painting_event_test.dart
index 8854578d6f..38f0957cd3 100644
--- a/dev/tracing_tests/test/image_painting_event_test.dart
+++ b/dev/tracing_tests/test/image_painting_event_test.dart
@@ -7,7 +7,6 @@ import 'dart:convert' show jsonEncode;
 import 'dart:developer' as developer;
 import 'dart:ui' as ui;
 
-import 'package:flutter/painting.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:vm_service/vm_service.dart';