diff --git a/lib/src/interface/process_manager.dart b/lib/src/interface/process_manager.dart
index e218c83..5372742 100644
--- a/lib/src/interface/process_manager.dart
+++ b/lib/src/interface/process_manager.dart
@@ -58,7 +58,7 @@
   /// file `test.dart` on Linux.
   ///
   ///     ProcessManager mgr = new LocalProcessManager();
-  ///     mgr.start('grep', ['-i', 'main', 'test.dart']).then((process) {
+  ///     mgr.start(['grep', '-i', 'main', 'test.dart']).then((process) {
   ///       stdout.addStream(process.stdout);
   ///       stderr.addStream(process.stderr);
   ///     });
@@ -81,7 +81,7 @@
   /// communication channels are closed. The process' exit code will
   /// not become available when it terminated.
   ///
-  /// The default value for `mode` is `ProcessStartMode.NORMAL`.
+  /// The default value for `mode` is `ProcessStartMode.normal`.
   Future<Process> start(
     List<dynamic> command, {
     String workingDirectory,
diff --git a/test/utils.dart b/test/utils.dart
index cadbf4e..9685cb1 100644
--- a/test/utils.dart
+++ b/test/utils.dart
@@ -2,7 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'dart:async';
 import 'dart:convert';
 
 /// Decodes a UTF8-encoded byte array into a list of Strings, where each list