Removed unnecessary using statements.

device/Microsoft.Azure.Devices.Client.PCL/Properties/AssemblyInfo.cs

@@ -1,7 +1,6 @@
 using System.Resources;
 using System.Reflection;
 using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information

device/Microsoft.Azure.Devices.Client.PCL/Timer.PCL.cs

@@ -5,7 +5,6 @@
 
 namespace System.Threading
 {
-    using System.Threading;
     using System.Threading.Tasks;
 
     internal delegate void TimerCallback(object state);

device/Microsoft.Azure.Devices.Client/Common/Exceptions/IotHubCommunicationException.cs

@@ -5,7 +5,7 @@ namespace Microsoft.Azure.Devices.Client.Exceptions
 {
     using System;
     using System.Runtime.Serialization;
-    
+
     /// <summary>
     /// The exception that is thrown when an attempt to communicate with the IoT Hub service fails.
     /// </summary>

device/Microsoft.Azure.Devices.Client/Common/Fx.cs

@@ -8,7 +8,6 @@ namespace Microsoft.Azure.Devices.Client
     using System.Collections.ObjectModel;
     using System.Diagnostics;
     using System.Diagnostics.CodeAnalysis;
-    using System.Globalization;
     using System.Reflection;
     using System.Runtime.CompilerServices;
 #if !WINDOWS_UWP && !PCL

device/Microsoft.Azure.Devices.Client/Common/InternalBufferManager.cs

@@ -3,7 +3,6 @@
 
 namespace Microsoft.Azure.Devices.Client
 {
-    using System;
     using System.Collections.Generic;
     using System.Threading;
     using System.Runtime.InteropServices;

device/Microsoft.Azure.Devices.Client/Common/Interop/UnsafeNativeMethods.cs

@@ -4,12 +4,10 @@
 namespace Microsoft.Azure.Devices.Client
 {
     using System;
-    using System.Diagnostics.CodeAnalysis;
     using System.Diagnostics.Eventing;
     using System.Runtime.InteropServices;
     using System.Runtime.Versioning;
     using System.Security;
-    using System.Text;
     using System.Threading;
     using Microsoft.Win32.SafeHandles;
 

device/Microsoft.Azure.Devices.Client/Common/PerfectHash.cs

@@ -4,7 +4,6 @@
 namespace Microsoft.Azure.Devices.Common.Cloud
 {
     using System;
-    using System.Globalization;
     using System.Text;
 
     static class PerfectHash

device/Microsoft.Azure.Devices.Client/Common/Utils.cs

@@ -5,15 +5,11 @@ namespace Microsoft.Azure.Devices.Client
 {
     using System;
     using System.IO;
-    using System.Reflection;
     using System.Text;
 #if !NETMF
-    using Microsoft.Azure.Devices.Client.Common;
     using Newtonsoft.Json;
-    using Newtonsoft.Json.Schema;
 #endif
     using Extensions;
-    using System.Collections;
 
     static class Utils
     {

device/Microsoft.Azure.Devices.Client/DeviceClient.cs

@@ -7,7 +7,6 @@ namespace Microsoft.Azure.Devices.Client
     using System;
     using System.Collections.Generic;
     using System.Linq;
-    using System.Linq.Expressions;
     using System.Text.RegularExpressions;
     using System.Threading;
     using System.Threading.Tasks;

device/Microsoft.Azure.Devices.Client/IDelegatingHandler.cs

@@ -7,9 +7,8 @@ namespace Microsoft.Azure.Devices.Client
     using System.Collections.Generic;
     using System.Threading;
     using System.Threading.Tasks;
-    using Microsoft.Azure.Devices.Client.Common;
     using Microsoft.Azure.Devices.Shared;
-   
+
     interface IDelegatingHandler : IContinuationProvider<IDelegatingHandler>, IDisposable
     {
         Task AbandonAsync(string lockToken, CancellationToken cancellationToken);

device/Microsoft.Azure.Devices.Client/IotHubConnectionString.cs

@@ -4,7 +4,6 @@
 namespace Microsoft.Azure.Devices.Client
 {
     using System;
-    using System.Text;
     using System.Net;
 
 #if !NETMF

device/Microsoft.Azure.Devices.Client/Message.cs

@@ -8,7 +8,6 @@ namespace Microsoft.Azure.Devices.Client
     using System;
     using System.IO;
     using System.Threading;
-    using Microsoft.Azure.Devices.Client.Exceptions;
     using Microsoft.Azure.Devices.Client.Extensions;
 #if WINDOWS_UWP || PCL
     using Microsoft.Azure.Amqp;

device/Microsoft.Azure.Devices.Client/MethodConverter.cs

@@ -4,15 +4,10 @@
 namespace Microsoft.Azure.Devices.Client
 {
     using System;
-    using System.Collections;
-    using System.Collections.Generic;
     using System.IO;
-    using System.Runtime.Serialization;
-    using System.Text;
     using Microsoft.Azure.Amqp;
     using Microsoft.Azure.Amqp.Encoding;
     using Microsoft.Azure.Amqp.Framing;
-    using Microsoft.Azure.Devices.Client.Common.Api;
 
     static class MethodConverter
     {

device/Microsoft.Azure.Devices.Client/MethodRequest.cs

@@ -3,7 +3,6 @@
 
 namespace Microsoft.Azure.Devices.Client
 {
-    using System;
     using System.Text;
 
     public sealed class MethodRequest

device/Microsoft.Azure.Devices.Client/MethodRequestInternal.cs

@@ -6,8 +6,6 @@ namespace Microsoft.Azure.Devices.Client
     using System;
     using System.IO;
     using System.Threading;
-    using Microsoft.Azure.Devices.Client.Exceptions;
-    using Microsoft.Azure.Devices.Client.Extensions;
     using Microsoft.Azure.Amqp;
 #if WINDOWS_UWP
     using System.Collections.Generic;

device/Microsoft.Azure.Devices.Client/MethodResponseInternal.cs

@@ -5,8 +5,6 @@ namespace Microsoft.Azure.Devices.Client
     using System;
     using System.IO;
     using System.Threading;
-    using Microsoft.Azure.Devices.Client.Exceptions;
-    using Microsoft.Azure.Devices.Client.Extensions;
     using Microsoft.Azure.Amqp;
 #if WINDOWS_UWP
     using System.Collections.Generic;

device/Microsoft.Azure.Devices.Client/RetryPolicyType.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Microsoft.Azure.Devices.Client
+namespace Microsoft.Azure.Devices.Client
 {
     /// <summary>
     /// Retry Strategy types supported by DeviceClient

device/Microsoft.Azure.Devices.Client/Transport/AmqpTransportHandler.cs

@@ -10,7 +10,6 @@ namespace Microsoft.Azure.Devices.Client.Transport
     using System.Threading.Tasks;
     using Microsoft.Azure.Amqp;
     using Microsoft.Azure.Amqp.Framing;
-    using Microsoft.Azure.Devices.Client.Common;
     using Microsoft.Azure.Devices.Client.Exceptions;
     using Microsoft.Azure.Devices.Client.Extensions;
 

device/Microsoft.Azure.Devices.Client/Transport/Mqtt/OrderedTwoPhaseWorkQueue.cs

@@ -6,7 +6,6 @@ namespace Microsoft.Azure.Devices.Client.Transport.Mqtt
     using System;
     using System.Collections.Generic;
     using System.Threading.Tasks;
-    using DotNetty.Common.Utilities;
     using DotNetty.Transport.Channels;
     using Microsoft.Azure.Devices.Client.Exceptions;
 

device/Microsoft.Azure.Devices.Client/Transport/ProtocolRoutingDelegatingHandler.cs

@@ -5,7 +5,6 @@ namespace Microsoft.Azure.Devices.Client.Transport
 {
     using System;
     using System.Collections.ObjectModel;
-    using System.Diagnostics;
     using System.Linq;
 #if !PCL
     using System.Net.Sockets;

device/Microsoft.Azure.Devices.Client/UWPHelpers.cs

@@ -3,10 +3,6 @@
 
 namespace Microsoft.Azure.Devices.Client
 {
-    using System;
-    using System.Threading.Tasks;
-    using Windows.Foundation;
-
     //
     // Summary:
     //     Identifies the type of event that has caused the trace.

device/Microsoft.Azure.Devices.Client/UWPResources.cs

@@ -6,9 +6,6 @@
 namespace Microsoft.Azure.Devices.Client.Common
 {
     using System;
-    using System.Threading.Tasks;
-    using Windows.Foundation;
-    using System.Linq;
     using Windows.ApplicationModel.Resources.Core;
 
     class ResourceManagerImpl

device/samples/DeviceClientAmqpSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientFileUploadSample/Program.cs

@@ -3,8 +3,6 @@
 
 using System;
 using System.IO;
-using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace Microsoft.Azure.Devices.Client.Samples

device/samples/DeviceClientFileUploadSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientHttpSample/Properties/AssemblyInfo.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientKeysRolloverSample/Program.cs

@@ -4,7 +4,6 @@
 using Microsoft.Azure.Devices.Client.Exceptions;
 using System;
 using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace Microsoft.Azure.Devices.Client.Samples

device/samples/DeviceClientKeysRolloverSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientMethodAmqpSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientMethodMqttSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientMqttSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientSampleAndroid/Properties/AssemblyInfo.cs

@@ -1,7 +1,5 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using Android.App;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information

device/samples/DeviceClientSampleiOS/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/DeviceClientTwinMqttSample/Program.cs

@@ -4,7 +4,6 @@
 namespace Microsoft.Azure.Devices.Client.Samples
 {
     using System;
-    using System.Text;
     using System.Threading.Tasks;
     using Microsoft.Azure.Devices.Client;
     using Microsoft.Azure.Devices.Shared;

device/samples/DeviceClientTwinMqttSample/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/samples/UWPSample/App.xaml.cs

@@ -1,18 +1,8 @@
 using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
 using Windows.ApplicationModel;
 using Windows.ApplicationModel.Activation;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
 using Windows.UI.Xaml.Navigation;
 
 namespace Microsoft.Azure.Devices.Client.Samples

device/samples/UWPSample/ConnectionStringProvider.cs

@@ -2,9 +2,6 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System;
-using System.Text;
-using System.Threading.Tasks;
-using System.Diagnostics;
 
 namespace Microsoft.Azure.Devices.Client.Samples
 {

device/samples/UWPSample/MainPage.xaml.cs

@@ -1,22 +1,10 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
+using System.Collections.Generic;
 using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 using Windows.ApplicationModel.Core;
 using Windows.UI.Core;
 
-using Microsoft.Azure.Devices.Client;
-
 namespace Microsoft.Azure.Devices.Client.Samples
 {
     /// <summary>

device/samples/UWPSample/Properties/AssemblyInfo.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

device/tests/Microsoft.Azure.Devices.Client.Test.PCL/Properties/AssemblyInfo.cs

@@ -1,7 +1,5 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
-using Android.App;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information

device/tests/Microsoft.Azure.Devices.Client.Test.UWP/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 
@@ -13,7 +12,7 @@
 [assembly: AssemblyCopyright("Copyright ©  2016")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
-[assembly: AssemblyMetadata("TargetPlatform","UAP")]
+[assembly: AssemblyMetadata("TargetPlatform", "UAP")]
 
 // Version information for an assembly consists of the following four values:
 //