diff --git a/packages/flutter_tools/lib/src/ios/cocoapods.dart b/packages/flutter_tools/lib/src/ios/cocoapods.dart
index 1b98d2b..96f7d32 100644
--- a/packages/flutter_tools/lib/src/ios/cocoapods.dart
+++ b/packages/flutter_tools/lib/src/ios/cocoapods.dart
@@ -65,10 +65,10 @@
     if (versionText == null)
       return CocoaPodsStatus.notInstalled;
     try {
-      final Version installedVersion = new Version.parse(versionText);
-      if (installedVersion < new Version.parse(cocoaPodsMinimumVersion))
+      final Version installedVersion = Version.parse(versionText);
+      if (installedVersion < Version.parse(cocoaPodsMinimumVersion))
         return CocoaPodsStatus.belowMinimumVersion;
-      else if (installedVersion < new Version.parse(cocoaPodsRecommendedVersion))
+      else if (installedVersion < Version.parse(cocoaPodsRecommendedVersion))
         return CocoaPodsStatus.belowRecommendedVersion;
       else
         return CocoaPodsStatus.recommended;
diff --git a/packages/flutter_tools/lib/src/ios/code_signing.dart b/packages/flutter_tools/lib/src/ios/code_signing.dart
index a060eb1..0774bf1 100644
--- a/packages/flutter_tools/lib/src/ios/code_signing.dart
+++ b/packages/flutter_tools/lib/src/ios/code_signing.dart
@@ -79,9 +79,9 @@
 
 
 final RegExp _securityFindIdentityDeveloperIdentityExtractionPattern =
-    new RegExp(r'^\s*\d+\).+"(.+Developer.+)"$');
-final RegExp _securityFindIdentityCertificateCnExtractionPattern = new RegExp(r'.*\(([a-zA-Z0-9]+)\)');
-final RegExp _certificateOrganizationalUnitExtractionPattern = new RegExp(r'OU=([a-zA-Z0-9]+)');
+    RegExp(r'^\s*\d+\).+"(.+Developer.+)"$');
+final RegExp _securityFindIdentityCertificateCnExtractionPattern = RegExp(r'.*\(([a-zA-Z0-9]+)\)');
+final RegExp _certificateOrganizationalUnitExtractionPattern = RegExp(r'OU=([a-zA-Z0-9]+)');
 
 /// Given a [BuildableIOSApp], this will try to find valid development code
 /// signing identities in the user's keychain prompting a choice if multiple
@@ -217,7 +217,7 @@
     printStatus('  a) Abort', emphasis: true);
 
     final String choice = await terminal.promptForCharInput(
-      new List<String>.generate(count, (int number) => '${number + 1}')
+      List<String>.generate(count, (int number) => '${number + 1}')
           ..add('a'),
       prompt: 'Please select a certificate for code signing',
       displayAcceptedCharacters: true,
diff --git a/packages/flutter_tools/lib/src/ios/devices.dart b/packages/flutter_tools/lib/src/ios/devices.dart
index d9e7750..111b654 100644
--- a/packages/flutter_tools/lib/src/ios/devices.dart
+++ b/packages/flutter_tools/lib/src/ios/devices.dart
@@ -60,7 +60,7 @@
     // python at the front of the path, which may not include package 'six'.
     // Ensure that we pick up the system install of python, which does include
     // it.
-    final Map<String, String> iosDeployEnv = new Map<String, String>.from(platform.environment);
+    final Map<String, String> iosDeployEnv = Map<String, String>.from(platform.environment);
     iosDeployEnv['PATH'] = '/usr/bin:${iosDeployEnv['PATH']}';
 
     return await runCommandAndStreamOutput(
@@ -151,7 +151,7 @@
 
       final String deviceName = await iMobileDevice.getInfoForDevice(id, 'DeviceName');
       final String sdkVersion = await iMobileDevice.getInfoForDevice(id, 'ProductVersion');
-      devices.add(new IOSDevice(id, name: deviceName, sdkVersion: sdkVersion));
+      devices.add(IOSDevice(id, name: deviceName, sdkVersion: sdkVersion));
     }
     return devices;
   }
@@ -177,7 +177,7 @@
   Future<bool> isAppInstalled(ApplicationPackage app) async {
     try {
       final RunResult apps = await runCheckedAsync(<String>[_installerPath, '--list-apps']);
-      if (new RegExp(app.id, multiLine: true).hasMatch(apps.stdout)) {
+      if (RegExp(app.id, multiLine: true).hasMatch(apps.stdout)) {
         return true;
       }
     } catch (e) {
@@ -247,11 +247,11 @@
         printError('Could not build the precompiled application for the device.');
         await diagnoseXcodeBuildFailure(buildResult);
         printError('');
-        return new LaunchResult.failed();
+        return LaunchResult.failed();
       }
     } else {
       if (!await installApp(package))
-        return new LaunchResult.failed();
+        return LaunchResult.failed();
     }
 
     // Step 2: Check that the application exists at the specified path.
@@ -259,7 +259,7 @@
     final Directory bundle = fs.directory(iosApp.deviceBundlePath);
     if (!bundle.existsSync()) {
       printError('Could not find the built application bundle at ${bundle.path}.');
-      return new LaunchResult.failed();
+      return LaunchResult.failed();
     }
 
     // Step 3: Attempt to install the application on the device.
@@ -305,7 +305,7 @@
 
       // TODO(danrubel): The Android device class does something similar to this code below.
       // The various Device subclasses should be refactored and common code moved into the superclass.
-      final ProtocolDiscovery observatoryDiscovery = new ProtocolDiscovery.observatory(
+      final ProtocolDiscovery observatoryDiscovery = ProtocolDiscovery.observatory(
         getLogReader(app: package),
         portForwarder: portForwarder,
         hostPort: debuggingOptions.observatoryPort,
@@ -341,10 +341,10 @@
       printError('Try launching Xcode and selecting "Product > Run" to fix the problem:');
       printError('  open ios/Runner.xcworkspace');
       printError('');
-      return new LaunchResult.failed();
+      return LaunchResult.failed();
     }
 
-    return new LaunchResult.succeeded(observatoryUri: localObservatoryUri);
+    return LaunchResult.succeeded(observatoryUri: localObservatoryUri);
   }
 
   @override
@@ -362,11 +362,11 @@
   @override
   DeviceLogReader getLogReader({ApplicationPackage app}) {
     _logReaders ??= <ApplicationPackage, _IOSDeviceLogReader>{};
-    return _logReaders.putIfAbsent(app, () => new _IOSDeviceLogReader(this, app));
+    return _logReaders.putIfAbsent(app, () => _IOSDeviceLogReader(this, app));
   }
 
   @override
-  DevicePortForwarder get portForwarder => _portForwarder ??= new _IOSDevicePortForwarder(this);
+  DevicePortForwarder get portForwarder => _portForwarder ??= _IOSDevicePortForwarder(this);
 
   @override
   void clearLogs() {
@@ -446,7 +446,7 @@
   RegExp _anyLineRegex;
 
   _IOSDeviceLogReader(this.device, ApplicationPackage app) {
-    _linesController = new StreamController<String>.broadcast(
+    _linesController = StreamController<String>.broadcast(
       onListen: _start,
       onCancel: _stop
     );
@@ -456,11 +456,11 @@
     // iOS 9 format:  Runner[297] <Notice>:
     // iOS 10 format: Runner(Flutter)[297] <Notice>:
     final String appName = app == null ? '' : app.name.replaceAll('.app', '');
-    _runnerLineRegex = new RegExp(appName + r'(\(Flutter\))?\[[\d]+\] <[A-Za-z]+>: ');
+    _runnerLineRegex = RegExp(appName + r'(\(Flutter\))?\[[\d]+\] <[A-Za-z]+>: ');
     // Similar to above, but allows ~arbitrary components instead of "Runner"
     // and "Flutter". The regex tries to strike a balance between not producing
     // false positives and not producing false negatives.
-    _anyLineRegex = new RegExp(r'\w+(\([^)]*\))?\[\d+\] <[A-Za-z]+>: ');
+    _anyLineRegex = RegExp(r'\w+(\([^)]*\))?\[\d+\] <[A-Za-z]+>: ');
   }
 
   final IOSDevice device;
@@ -558,16 +558,16 @@
         if (autoselect) {
           hostPort += 1;
           if (hostPort > 65535)
-            throw new Exception('Could not find open port on host.');
+            throw Exception('Could not find open port on host.');
         } else {
-          throw new Exception('Port $hostPort is not available.');
+          throw Exception('Port $hostPort is not available.');
         }
       }
     }
     assert(connected);
     assert(process != null);
 
-    final ForwardedPort forwardedPort = new ForwardedPort.withContext(
+    final ForwardedPort forwardedPort = ForwardedPort.withContext(
       hostPort, devicePort, process,
     );
     printTrace('Forwarded port $forwardedPort');
diff --git a/packages/flutter_tools/lib/src/ios/ios_emulators.dart b/packages/flutter_tools/lib/src/ios/ios_emulators.dart
index f9c3a57..a6d197d 100644
--- a/packages/flutter_tools/lib/src/ios/ios_emulators.dart
+++ b/packages/flutter_tools/lib/src/ios/ios_emulators.dart
@@ -67,5 +67,5 @@
     return <IOSEmulator>[];
   }
 
-  return <IOSEmulator>[new IOSEmulator('apple_ios_simulator')];
+  return <IOSEmulator>[IOSEmulator('apple_ios_simulator')];
 }
diff --git a/packages/flutter_tools/lib/src/ios/ios_workflow.dart b/packages/flutter_tools/lib/src/ios/ios_workflow.dart
index 718d37c..c752cef 100644
--- a/packages/flutter_tools/lib/src/ios/ios_workflow.dart
+++ b/packages/flutter_tools/lib/src/ios/ios_workflow.dart
@@ -61,8 +61,8 @@
     if (!await hasIosDeploy)
       return false;
     try {
-      final Version version = new Version.parse(await iosDeployVersionText);
-      return version >= new Version.parse(iosDeployMinimumVersion);
+      final Version version = Version.parse(await iosDeployVersionText);
+      return version >= Version.parse(iosDeployMinimumVersion);
     } on FormatException catch (_) {
       return false;
     }
@@ -78,16 +78,16 @@
     if (xcode.isInstalled) {
       xcodeStatus = ValidationType.installed;
 
-      messages.add(new ValidationMessage('Xcode at ${xcode.xcodeSelectPath}'));
+      messages.add(ValidationMessage('Xcode at ${xcode.xcodeSelectPath}'));
 
       xcodeVersionInfo = xcode.versionText;
       if (xcodeVersionInfo.contains(','))
         xcodeVersionInfo = xcodeVersionInfo.substring(0, xcodeVersionInfo.indexOf(','));
-      messages.add(new ValidationMessage(xcode.versionText));
+      messages.add(ValidationMessage(xcode.versionText));
 
       if (!xcode.isInstalledAndMeetsVersionCheck) {
         xcodeStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
           'Flutter requires a minimum Xcode version of $kXcodeRequiredVersionMajor.$kXcodeRequiredVersionMinor.0.\n'
           'Download the latest version or update via the Mac App Store.'
         ));
@@ -95,13 +95,13 @@
 
       if (!xcode.eulaSigned) {
         xcodeStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
           'Xcode end user license agreement not signed; open Xcode or run the command \'sudo xcodebuild -license\'.'
         ));
       }
       if (!xcode.isSimctlInstalled) {
         xcodeStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
           'Xcode requires additional components to be installed in order to run.\n'
           'Launch Xcode and install additional required components when prompted.'
         ));
@@ -110,12 +110,12 @@
     } else {
       xcodeStatus = ValidationType.missing;
       if (xcode.xcodeSelectPath == null || xcode.xcodeSelectPath.isEmpty) {
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
             'Xcode not installed; this is necessary for iOS development.\n'
             'Download at https://developer.apple.com/xcode/download/.'
         ));
       } else {
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
             'Xcode installation is incomplete; a full installation is necessary for iOS development.\n'
             'Download at: https://developer.apple.com/xcode/download/\n'
             'Or install Xcode via the App Store.\n'
@@ -131,14 +131,14 @@
 
       if (!iMobileDevice.isInstalled) {
         brewStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
             'libimobiledevice and ideviceinstaller are not installed. To install, run:\n'
             '  brew install --HEAD libimobiledevice\n'
             '  brew install ideviceinstaller'
         ));
       } else if (!await iMobileDevice.isWorking) {
         brewStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
             'Verify that all connected devices have been paired with this computer in Xcode.\n'
             'If all devices have been paired, libimobiledevice and ideviceinstaller may require updating.\n'
             'To update, run:\n'
@@ -148,7 +148,7 @@
         ));
       } else if (!await hasIDeviceInstaller) {
         brewStatus = ValidationType.partial;
-        messages.add(new ValidationMessage.error(
+        messages.add(ValidationMessage.error(
           'ideviceinstaller is not installed; this is used to discover connected iOS devices.\n'
           'To install, run:\n'
           '  brew install --HEAD libimobiledevice\n'
@@ -158,17 +158,17 @@
 
       // Check ios-deploy is installed at meets version requirements.
       if (await hasIosDeploy) {
-        messages.add(new ValidationMessage('ios-deploy ${await iosDeployVersionText}'));
+        messages.add(ValidationMessage('ios-deploy ${await iosDeployVersionText}'));
       }
       if (!await _iosDeployIsInstalledAndMeetsVersionCheck) {
         brewStatus = ValidationType.partial;
         if (await hasIosDeploy) {
-          messages.add(new ValidationMessage.error(
+          messages.add(ValidationMessage.error(
             'ios-deploy out of date ($iosDeployMinimumVersion is required). To upgrade:\n'
             '  brew upgrade ios-deploy'
           ));
         } else {
-          messages.add(new ValidationMessage.error(
+          messages.add(ValidationMessage.error(
             'ios-deploy not installed. To install:\n'
             '  brew install ios-deploy'
           ));
@@ -179,10 +179,10 @@
 
       if (cocoaPodsStatus == CocoaPodsStatus.recommended) {
         if (await cocoaPods.isCocoaPodsInitialized) {
-          messages.add(new ValidationMessage('CocoaPods version ${await cocoaPods.cocoaPodsVersionText}'));
+          messages.add(ValidationMessage('CocoaPods version ${await cocoaPods.cocoaPodsVersionText}'));
         } else {
           brewStatus = ValidationType.partial;
-          messages.add(new ValidationMessage.error(
+          messages.add(ValidationMessage.error(
             'CocoaPods installed but not initialized.\n'
             '$noCocoaPodsConsequence\n'
             'To initialize CocoaPods, run:\n'
@@ -193,14 +193,14 @@
       } else {
         brewStatus = ValidationType.partial;
         if (cocoaPodsStatus == CocoaPodsStatus.notInstalled) {
-          messages.add(new ValidationMessage.error(
+          messages.add(ValidationMessage.error(
             'CocoaPods not installed.\n'
             '$noCocoaPodsConsequence\n'
             'To install:\n'
             '$cocoaPodsInstallInstructions'
           ));
         } else {
-          messages.add(new ValidationMessage.hint(
+          messages.add(ValidationMessage.hint(
             'CocoaPods out of date (${cocoaPods.cocoaPodsRecommendedVersion} is recommended).\n'
             '$noCocoaPodsConsequence\n'
             'To upgrade:\n'
@@ -210,13 +210,13 @@
       }
     } else {
       brewStatus = ValidationType.missing;
-      messages.add(new ValidationMessage.error(
+      messages.add(ValidationMessage.error(
         'Brew not installed; use this to install tools for iOS device development.\n'
         'Download brew at https://brew.sh/.'
       ));
     }
 
-    return new ValidationResult(
+    return ValidationResult(
       <ValidationType>[xcodeStatus, brewStatus].reduce(_mergeValidationTypes),
       messages,
       statusInfo: xcodeVersionInfo
diff --git a/packages/flutter_tools/lib/src/ios/mac.dart b/packages/flutter_tools/lib/src/ios/mac.dart
index 267961c..294d785 100644
--- a/packages/flutter_tools/lib/src/ios/mac.dart
+++ b/packages/flutter_tools/lib/src/ios/mac.dart
@@ -60,10 +60,10 @@
     try {
       final ProcessResult result = await processManager.run(<String>['idevice_id', '-l']);
       if (result.exitCode != 0)
-        throw new ToolExit('idevice_id returned an error:\n${result.stderr}');
+        throw ToolExit('idevice_id returned an error:\n${result.stderr}');
       return result.stdout;
     } on ProcessException {
-      throw new ToolExit('Failed to invoke idevice_id. Run flutter doctor.');
+      throw ToolExit('Failed to invoke idevice_id. Run flutter doctor.');
     }
   }
 
@@ -71,10 +71,10 @@
     try {
       final ProcessResult result = await processManager.run(<String>['ideviceinfo', '-u', deviceID, '-k', key, '--simple']);
       if (result.exitCode != 0)
-        throw new ToolExit('idevice_id returned an error:\n${result.stderr}');
+        throw ToolExit('idevice_id returned an error:\n${result.stderr}');
       return result.stdout.trim();
     } on ProcessException {
-      throw new ToolExit('Failed to invoke idevice_id. Run flutter doctor.');
+      throw ToolExit('Failed to invoke idevice_id. Run flutter doctor.');
     }
   }
 
@@ -190,17 +190,17 @@
   bool usesTerminalUi = true,
 }) async {
   if (!await upgradePbxProjWithFlutterAssets(app.project))
-    return new XcodeBuildResult(success: false);
+    return XcodeBuildResult(success: false);
 
   if (!_checkXcodeVersion())
-    return new XcodeBuildResult(success: false);
+    return XcodeBuildResult(success: false);
 
   final XcodeProjectInfo projectInfo = xcodeProjectInterpreter.getInfo(app.project.directory.path);
   if (!projectInfo.targets.contains('Runner')) {
     printError('The Xcode project does not define target "Runner" which is needed by Flutter tooling.');
     printError('Open Xcode to fix the problem:');
     printError('  open ios/Runner.xcworkspace');
-    return new XcodeBuildResult(success: false);
+    return XcodeBuildResult(success: false);
   }
   final String scheme = projectInfo.schemeFor(buildInfo);
   if (scheme == null) {
@@ -212,7 +212,7 @@
       printError('The Xcode project does not define custom schemes.');
       printError('You cannot use the --flavor option.');
     }
-    return new XcodeBuildResult(success: false);
+    return XcodeBuildResult(success: false);
   }
   final String configuration = projectInfo.buildConfigurationFor(buildInfo, scheme);
   if (configuration == null) {
@@ -221,7 +221,7 @@
     printError('Flutter expects a build configuration named ${XcodeProjectInfo.expectedBuildConfigurationFor(buildInfo, scheme)} or similar.');
     printError('Open Xcode to fix the problem:');
     printError('  open ios/Runner.xcworkspace');
-    return new XcodeBuildResult(success: false);
+    return XcodeBuildResult(success: false);
   }
 
   Map<String, String> autoSigningConfigs;
@@ -242,7 +242,7 @@
   if (hasPlugins(project)) {
     // If the Xcode project, Podfile, or Generated.xcconfig have changed since
     // last run, pods should be updated.
-    final Fingerprinter fingerprinter = new Fingerprinter(
+    final Fingerprinter fingerprinter = Fingerprinter(
       fingerprintPath: fs.path.join(getIosBuildDirectory(), 'pod_inputs.fingerprint'),
       paths: <String>[
         app.project.xcodeProjectInfoFile.path,
@@ -346,7 +346,7 @@
     buildCommands.add('SCRIPT_OUTPUT_STREAM_FILE=${scriptOutputPipeFile.absolute.path}');
   }
 
-  final Stopwatch buildStopwatch = new Stopwatch()..start();
+  final Stopwatch buildStopwatch = Stopwatch()..start();
   initialBuildStatus = logger.startProgress('Starting Xcode build...');
   final RunResult buildResult = await runAsync(
     buildCommands,
@@ -366,7 +366,7 @@
 
   // Run -showBuildSettings again but with the exact same parameters as the build.
   final Map<String, String> buildSettings = parseXcodeBuildSettings(runCheckedSync(
-    (new List<String>
+    (List<String>
         .from(buildCommands)
         ..add('-showBuildSettings'))
         // Undocumented behaviour: xcodebuild craps out if -showBuildSettings
@@ -391,11 +391,11 @@
       printStatus('Xcode\'s output:\n↳');
       printStatus(buildResult.stdout, indent: 4);
     }
-    return new XcodeBuildResult(
+    return XcodeBuildResult(
       success: false,
       stdout: buildResult.stdout,
       stderr: buildResult.stderr,
-      xcodeBuildExecution: new XcodeBuildExecution(
+      xcodeBuildExecution: XcodeBuildExecution(
         buildCommands: buildCommands,
         appDirectory: app.project.directory.path,
         buildForPhysicalDevice: buildForDevice,
@@ -422,7 +422,7 @@
     } else {
       printError('Build succeeded but the expected app at $expectedOutputDirectory not found');
     }
-    return new XcodeBuildResult(success: true, output: outputDir);
+    return XcodeBuildResult(success: true, output: outputDir);
   }
 }
 
@@ -632,7 +632,7 @@
     lines.remove(l12);
   }
 
-  final StringBuffer buffer = new StringBuffer();
+  final StringBuffer buffer = StringBuffer();
   lines.forEach(buffer.writeln);
   await xcodeProjectFile.writeAsString(buffer.toString());
   return true;
diff --git a/packages/flutter_tools/lib/src/ios/simulators.dart b/packages/flutter_tools/lib/src/ios/simulators.dart
index 39c0cee..e4ba830 100644
--- a/packages/flutter_tools/lib/src/ios/simulators.dart
+++ b/packages/flutter_tools/lib/src/ios/simulators.dart
@@ -47,7 +47,7 @@
       return <IOSSimulator>[];
 
     return SimControl.instance.getConnectedDevices().map((SimDevice device) {
-      return new IOSSimulator(device.udid, name: device.name, category: device.category);
+      return IOSSimulator(device.udid, name: device.name, category: device.category);
     }).toList();
   }
 }
@@ -97,7 +97,7 @@
     for (String deviceCategory in devicesSection.keys) {
       final List<dynamic> devicesData = devicesSection[deviceCategory];
       for (Map<String, dynamic> data in devicesData.map<Map<String, dynamic>>(castStringKeyedMap)) {
-        devices.add(new SimDevice(deviceCategory, data));
+        devices.add(SimDevice(deviceCategory, data));
       }
     }
 
@@ -246,7 +246,7 @@
 
     // Check if the device is part of a blacklisted category.
     // We do not yet support WatchOS or tvOS devices.
-    final RegExp blacklist = new RegExp(r'Apple (TV|Watch)', caseSensitive: false);
+    final RegExp blacklist = RegExp(r'Apple (TV|Watch)', caseSensitive: false);
     if (blacklist.hasMatch(name)) {
       _supportMessage = 'Flutter does not support Apple TV or Apple Watch.';
       return false;
@@ -283,11 +283,11 @@
         await _setupUpdatedApplicationBundle(package, debuggingOptions.buildInfo, mainPath, usesTerminalUi);
       } on ToolExit catch (e) {
         printError(e.message);
-        return new LaunchResult.failed();
+        return LaunchResult.failed();
       }
     } else {
       if (!await installApp(package))
-        return new LaunchResult.failed();
+        return LaunchResult.failed();
     }
 
     // Prepare launch arguments.
@@ -308,7 +308,7 @@
 
     ProtocolDiscovery observatoryDiscovery;
     if (debuggingOptions.debuggingEnabled)
-      observatoryDiscovery = new ProtocolDiscovery.observatory(
+      observatoryDiscovery = ProtocolDiscovery.observatory(
           getLogReader(app: package), ipv6: ipv6);
 
     // Launch the updated application in the simulator.
@@ -316,11 +316,11 @@
       await SimControl.instance.launch(id, package.id, args);
     } catch (error) {
       printError('$error');
-      return new LaunchResult.failed();
+      return LaunchResult.failed();
     }
 
     if (!debuggingOptions.debuggingEnabled) {
-      return new LaunchResult.succeeded();
+      return LaunchResult.succeeded();
     }
 
     // Wait for the service protocol port here. This will complete once the
@@ -329,10 +329,10 @@
 
     try {
       final Uri deviceUri = await observatoryDiscovery.uri;
-      return new LaunchResult.succeeded(observatoryUri: deviceUri);
+      return LaunchResult.succeeded(observatoryUri: deviceUri);
     } catch (error) {
       printError('Error waiting for a debug connection: $error');
-      return new LaunchResult.failed();
+      return LaunchResult.failed();
     } finally {
       await observatoryDiscovery.cancel();
     }
@@ -357,7 +357,7 @@
     // Step 1: Build the Xcode project.
     // The build mode for the simulator is always debug.
 
-    final BuildInfo debugBuildInfo = new BuildInfo(BuildMode.debug, buildInfo.flavor,
+    final BuildInfo debugBuildInfo = BuildInfo(BuildMode.debug, buildInfo.flavor,
         trackWidgetCreation: buildInfo.trackWidgetCreation,
         extraFrontEndOptions: buildInfo.extraFrontEndOptions,
         extraGenSnapshotOptions: buildInfo.extraGenSnapshotOptions,
@@ -411,7 +411,7 @@
   @override
   Future<String> get sdkNameAndVersion async => category;
 
-  final RegExp _iosSdkRegExp = new RegExp(r'iOS( |-)(\d+)');
+  final RegExp _iosSdkRegExp = RegExp(r'iOS( |-)(\d+)');
 
   Future<int> get sdkMajorVersion async {
     final Match sdkMatch = _iosSdkRegExp.firstMatch(await sdkNameAndVersion);
@@ -422,11 +422,11 @@
   DeviceLogReader getLogReader({ApplicationPackage app}) {
     assert(app is IOSApp);
     _logReaders ??= <ApplicationPackage, _IOSSimulatorLogReader>{};
-    return _logReaders.putIfAbsent(app, () => new _IOSSimulatorLogReader(this, app));
+    return _logReaders.putIfAbsent(app, () => _IOSSimulatorLogReader(this, app));
   }
 
   @override
-  DevicePortForwarder get portForwarder => _portForwarder ??= new _IOSSimulatorDevicePortForwarder(this);
+  DevicePortForwarder get portForwarder => _portForwarder ??= _IOSSimulatorDevicePortForwarder(this);
 
   @override
   void clearLogs() {
@@ -485,7 +485,7 @@
   String _appName;
 
   _IOSSimulatorLogReader(this.device, IOSApp app) {
-    _linesController = new StreamController<String>.broadcast(
+    _linesController = StreamController<String>.broadcast(
       onListen: _start,
       onCancel: _stop
     );
@@ -532,13 +532,13 @@
   // Match the log prefix (in order to shorten it):
   // * Xcode 8: Sep 13 15:28:51 cbracken-macpro localhost Runner[37195]: (Flutter) Observatory listening on http://127.0.0.1:57701/
   // * Xcode 9: 2017-09-13 15:26:57.228948-0700  localhost Runner[37195]: (Flutter) Observatory listening on http://127.0.0.1:57701/
-  static final RegExp _mapRegex = new RegExp(r'\S+ +\S+ +\S+ +(\S+ +)?(\S+)\[\d+\]\)?: (\(.*?\))? *(.*)$');
+  static final RegExp _mapRegex = RegExp(r'\S+ +\S+ +\S+ +(\S+ +)?(\S+)\[\d+\]\)?: (\(.*?\))? *(.*)$');
 
   // Jan 31 19:23:28 --- last message repeated 1 time ---
-  static final RegExp _lastMessageSingleRegex = new RegExp(r'\S+ +\S+ +\S+ --- last message repeated 1 time ---$');
-  static final RegExp _lastMessageMultipleRegex = new RegExp(r'\S+ +\S+ +\S+ --- last message repeated (\d+) times ---$');
+  static final RegExp _lastMessageSingleRegex = RegExp(r'\S+ +\S+ +\S+ --- last message repeated 1 time ---$');
+  static final RegExp _lastMessageMultipleRegex = RegExp(r'\S+ +\S+ +\S+ --- last message repeated (\d+) times ---$');
 
-  static final RegExp _flutterRunnerRegex = new RegExp(r' FlutterRunner\[\d+\] ');
+  static final RegExp _flutterRunnerRegex = RegExp(r' FlutterRunner\[\d+\] ');
 
   String _filterDeviceLine(String string) {
     final Match match = _mapRegex.matchAsPrefix(string);
@@ -579,7 +579,7 @@
     if (_lastMessageSingleRegex.matchAsPrefix(string) != null)
       return null;
 
-    if (new RegExp(r'assertion failed: .* libxpc.dylib .* 0x7d$').matchAsPrefix(string) != null)
+    if (RegExp(r'assertion failed: .* libxpc.dylib .* 0x7d$').matchAsPrefix(string) != null)
       return null;
 
     return string;
@@ -652,7 +652,7 @@
 ///   ✗ com.apple.CoreSimulator.SimDeviceType.iPad-2
 ///   ✗ com.apple.CoreSimulator.SimDeviceType.Apple-Watch-38mm
 final RegExp _iosDeviceTypePattern =
-    new RegExp(r'com.apple.CoreSimulator.SimDeviceType.iPhone-(\d+)(.*)');
+    RegExp(r'com.apple.CoreSimulator.SimDeviceType.iPhone-(\d+)(.*)');
 
 int compareIphoneVersions(String id1, String id2) {
   final Match m1 = _iosDeviceTypePattern.firstMatch(id1);
@@ -690,7 +690,7 @@
       hostPort = devicePort;
     }
     assert(devicePort == hostPort);
-    _ports.add(new ForwardedPort(devicePort, hostPort));
+    _ports.add(ForwardedPort(devicePort, hostPort));
     return hostPort;
   }
 
diff --git a/packages/flutter_tools/lib/src/ios/xcodeproj.dart b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
index 584f66b..9e63865 100644
--- a/packages/flutter_tools/lib/src/ios/xcodeproj.dart
+++ b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
@@ -19,8 +19,8 @@
 import '../globals.dart';
 import '../project.dart';
 
-final RegExp _settingExpr = new RegExp(r'(\w+)\s*=\s*(.*)$');
-final RegExp _varExpr = new RegExp(r'\$\(([^)]*)\)');
+final RegExp _settingExpr = RegExp(r'(\w+)\s*=\s*(.*)$');
+final RegExp _varExpr = RegExp(r'\$\(([^)]*)\)');
 
 String flutterFrameworkDir(BuildMode mode) {
   return fs.path.normalize(fs.path.dirname(artifacts.getArtifactPath(Artifact.flutterFramework, TargetPlatform.ios, mode)));
@@ -35,7 +35,7 @@
   @required BuildInfo buildInfo,
   String targetOverride,
 }) async {
-  final StringBuffer localsBuffer = new StringBuffer();
+  final StringBuffer localsBuffer = StringBuffer();
 
   localsBuffer.writeln('// This is a generated file; do not edit or check into version control.');
 
@@ -102,7 +102,7 @@
 /// Interpreter of Xcode projects.
 class XcodeProjectInterpreter {
   static const String _executable = '/usr/bin/xcodebuild';
-  static final RegExp _versionRegex = new RegExp(r'Xcode ([0-9.]+)');
+  static final RegExp _versionRegex = RegExp(r'Xcode ([0-9.]+)');
 
   void _updateVersion() {
     if (!platform.isMacOS || !fs.file(_executable).existsSync()) {
@@ -165,7 +165,7 @@
     final String out = runCheckedSync(<String>[
       _executable, '-list',
     ], workingDirectory: projectPath);
-    return new XcodeProjectInfo.fromXcodeBuildOutput(out);
+    return XcodeProjectInfo.fromXcodeBuildOutput(out);
   }
 }
 
@@ -218,7 +218,7 @@
     }
     if (schemes.isEmpty)
       schemes.add('Runner');
-    return new XcodeProjectInfo(targets, buildConfigurations, schemes);
+    return XcodeProjectInfo(targets, buildConfigurations, schemes);
   }
 
   final List<String> targets;