Remove unnecessary usings (#2326)

benchmarks/Kestrel.Performance/DotSegmentRemovalBenchmark.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Text;
 using BenchmarkDotNet.Attributes;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;

benchmarks/Kestrel.Performance/HttpParserBenchmark.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Buffers;
-using System.IO.Pipelines;
 using BenchmarkDotNet.Attributes;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 

benchmarks/Kestrel.Performance/Mocks/NullParser.cs

@@ -4,8 +4,6 @@
 using System;
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
-using System.IO.Pipelines;
 using System.Text;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 

src/Kestrel.Core/Adapter/Internal/AdaptedPipeline.cs

@@ -6,7 +6,6 @@ using System.IO;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using System.IO.Pipelines;
-using System.Runtime.InteropServices;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal
 {

src/Kestrel.Core/Adapter/Internal/LoggingConnectionAdapter.cs

@@ -4,7 +4,6 @@
 using System;
 using System.IO;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http.Features;
 using Microsoft.Extensions.Logging;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal

src/Kestrel.Core/Internal/CertificateLoader.cs

@@ -2,10 +2,8 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Security.Cryptography.X509Certificates;
-using System.Text;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Https.Internal

src/Kestrel.Core/Internal/ConfigurationReader.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using Microsoft.Extensions.Configuration;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal

src/Kestrel.Core/Internal/Http/Http1Connection.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
 using System.Diagnostics;
 using System.IO.Pipelines;
 using System.Runtime.InteropServices;

src/Kestrel.Core/Internal/Http/Http1ConnectionContext.cs

@@ -5,7 +5,6 @@ using System.Buffers;
 using System.IO.Pipelines;
 using System.Net;
 using Microsoft.AspNetCore.Http.Features;
-using Microsoft.AspNetCore.Protocols;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http

src/Kestrel.Core/Internal/Http/Http1MessageBody.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
 using System.IO;
 using System.IO.Pipelines;
 using System.Threading.Tasks;

src/Kestrel.Core/Internal/Http/Http1OutputProducer.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Buffers;
-using System.Diagnostics;
 using System.IO.Pipelines;
 using System.Runtime.CompilerServices;
 using System.Text;

src/Kestrel.Core/Internal/Http/HttpParser.cs

@@ -4,8 +4,6 @@
 using System;
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
-using System.IO.Pipelines;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;

src/Kestrel.Core/Internal/Http/HttpProtocol.FeatureCollection.cs

@@ -11,7 +11,6 @@ using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
-using Microsoft.Extensions.Primitives;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
 {

src/Kestrel.Core/Internal/Http/HttpRequestStream.cs

@@ -6,7 +6,6 @@ using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
-using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Protocols;
 

src/Kestrel.Core/Internal/Http/IHttpParser.cs

@@ -3,8 +3,6 @@
 
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
-using System.IO.Pipelines;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
 {

src/Kestrel.Core/Internal/Http/IHttpProtocolContext.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Buffers;
-using System.IO.Pipelines;
 using System.Net;
 using Microsoft.AspNetCore.Http.Features;
 

src/Kestrel.Core/Internal/Http/MessageBody.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.IO;
-using System.IO.Pipelines;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;

src/Kestrel.Core/Internal/Http2/HPack/HPackEncoder.cs

@@ -2,10 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Collections;
 using System.Collections.Generic;
-using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.Primitives;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack
 {

src/Kestrel.Core/Internal/Http2/Http2Connection.cs

@@ -4,12 +4,10 @@
 using System;
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
 using System.Collections.Concurrent;
 using System.IO.Pipelines;
 using System.Text;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting.Server;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Protocols;

src/Kestrel.Core/Internal/Http2/Http2ErrorCode.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 {

src/Kestrel.Core/Internal/Http2/Http2Frame.Continuation.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 {

src/Kestrel.Core/Internal/Http2/Http2Frame.Ping.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 {

src/Kestrel.Core/Internal/Http2/Http2Frame.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.Extensions.Logging;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 {

src/Kestrel.Core/Internal/Http2/Http2FrameReader.cs

@@ -3,8 +3,6 @@
 
 using System.Buffers;
 using System.Collections;
-using System.Collections.Sequences;
-using System.IO.Pipelines;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
 {

src/Kestrel.Core/Internal/Http2/Http2PeerSettings.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Collections;
 using System.Collections.Generic;
 

src/Kestrel.Core/Internal/Http2/Http2StreamContext.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Buffers;
-using System.IO.Pipelines;
 using System.Net;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;

src/Kestrel.Core/Internal/HttpsConnectionAdapter.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Net.Security;
 using System.Security.Cryptography.X509Certificates;
 using System.Threading;

src/Kestrel.Core/Internal/Infrastructure/HttpConnectionManagerShutdownExtensions.cs

@@ -5,7 +5,6 @@ using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Protocols;
-using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
 {

src/Kestrel.Core/Internal/Infrastructure/KestrelEventSource.cs

@@ -2,12 +2,8 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Diagnostics.Tracing;
-using System.Net;
 using System.Runtime.CompilerServices;
-using Microsoft.AspNetCore.Http.Features;
-using Microsoft.AspNetCore.Protocols;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
-using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
 {

src/Kestrel.Core/Internal/ServerAddressesFeature.cs

@@ -1,9 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Collections.Generic;
-using System.Text;
 using Microsoft.AspNetCore.Hosting.Server.Features;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal

src/Kestrel.Core/Internal/ServiceContext.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
 

src/Kestrel.Core/KestrelServer.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Hosting.Server;

src/Kestrel.Core/ListenOptionsHttpsExtensions.cs

@@ -5,7 +5,6 @@ using System;
 using System.IO;
 using System.Security.Cryptography.X509Certificates;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
-using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
 using Microsoft.AspNetCore.Server.Kestrel.Https.Internal;
 using Microsoft.Extensions.DependencyInjection;

src/Kestrel.Transport.Abstractions/Internal/IConnectionHandler.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http.Features;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal

src/Kestrel.Transport.Abstractions/Internal/TransportConnection.Features.cs

@@ -4,7 +4,6 @@ using System.Collections;
 using System.Collections.Generic;
 using System.IO.Pipelines;
 using System.Net;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Protocols.Features;
 

src/Kestrel.Transport.Abstractions/Internal/TransportConnection.cs

@@ -1,5 +1,4 @@
-using System;
+using System.Buffers;
-using System.Buffers;
 using System.IO.Pipelines;
 using System.Net;
 using System.Threading;

src/Kestrel.Transport.Libuv/Internal/LibuvConnection.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Buffers;
-using System.Diagnostics;
 using System.IO;
 using System.IO.Pipelines;
 using System.Threading;

src/Kestrel.Transport.Libuv/Internal/LibuvConnectionContext.cs

@@ -2,8 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Buffers;
-using System.Net;
-using System.IO.Pipelines;
 using System.Threading;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 

src/Kestrel.Transport.Libuv/Internal/LibuvThread.cs

@@ -5,7 +5,6 @@ using System;
 using System.Buffers;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.IO.Pipelines;
 using System.Runtime.ExceptionServices;
 using System.Threading;
 using System.Threading.Tasks;

src/Kestrel.Transport.Libuv/Internal/Networking/UvWriteReq.cs

@@ -5,7 +5,6 @@ using System;
 using System.Buffers;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
-using System.IO.Pipelines;
 using Microsoft.Extensions.Logging;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal.Networking

src/Kestrel.Transport.Sockets/Internal/SocketConnection.cs

@@ -3,10 +3,8 @@
 
 using System;
 using System.Buffers;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.IO.Pipelines;
 using System.Net;
 using System.Net.Sockets;
 using System.Threading.Tasks;

src/Kestrel.Transport.Sockets/Internal/SocketSender.cs

@@ -5,7 +5,6 @@ using System;
 using System.Buffers;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.IO.Pipelines;
 using System.Net.Sockets;
 using System.Runtime.InteropServices;
 

src/Kestrel.Transport.Sockets/SocketTransport.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Buffers;
 using System.Diagnostics;
-using System.IO.Pipelines;
 using System.Net;
 using System.Net.Sockets;
 using System.Runtime.ExceptionServices;

src/Kestrel.Transport.Sockets/SocketTransportOptions.cs

@@ -1,9 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets
 {

src/Protocols.Abstractions/ConnectionDelegate.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Microsoft.AspNetCore.Protocols
 {

src/Protocols.Abstractions/DefaultConnectionContext.cs

@@ -1,5 +1,4 @@
-using System.Buffers;
+using System.IO.Pipelines;
-using System.IO.Pipelines;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Protocols.Features;
 

src/Protocols.Abstractions/DuplexPipe.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Buffers;
-using System.Buffers;
-using System.Collections.Generic;
-using System.Text;
 
 namespace System.IO.Pipelines
 {

src/Protocols.Abstractions/Features/IConnectionIdFeature.cs

@@ -1,8 +1,4 @@
-using System;
+namespace Microsoft.AspNetCore.Protocols.Features
-using System.Collections.Generic;
-using System.Text;
-
-namespace Microsoft.AspNetCore.Protocols.Features
 {
     public interface IConnectionIdFeature
     {

src/Protocols.Abstractions/IConnectionBuilder.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace Microsoft.AspNetCore.Protocols
 {

test/Kestrel.Core.Tests/AddressBinderTests.cs

@@ -10,7 +10,6 @@ using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Logging.Abstractions;
-using Moq;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests

test/Kestrel.Core.Tests/HPackEncoderTests.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack;
 using Xunit;
 

test/Kestrel.Core.Tests/Http1ConnectionTests.cs

@@ -5,14 +5,12 @@ using System;
 using System.Buffers;
 using System.Collections;
 using System.Collections.Generic;
-using System.Collections.Sequences;
 using System.IO;
 using System.IO.Pipelines;
 using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Hosting.Server;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Features;

test/Kestrel.Core.Tests/HttpParserTests.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Buffers;
-using System.IO.Pipelines;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;

test/Kestrel.Core.Tests/HttpRequestHeadersTests.cs

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using Microsoft.Extensions.Primitives;
 using Xunit;

test/Kestrel.Core.Tests/IntegerDecoderTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack;
 using Xunit;
 

test/Kestrel.Core.Tests/IntegerEncoderTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack;
 using Xunit;
 

test/Kestrel.Core.Tests/KestrelEventSourceTests.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Diagnostics.Tracing;
 using System.Reflection;
-using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests

test/Kestrel.Core.Tests/PipeOptionsTests.cs

@@ -2,10 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Buffers;
-using System.Collections.Generic;
-using System.IO.Pipelines;
 using System.Threading;
-using Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
 using Microsoft.AspNetCore.Testing;

test/Kestrel.Core.Tests/ServerAddressTests.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Xunit;
 
 namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests

test/Kestrel.FunctionalTests/AddressRegistrationTests.cs

@@ -18,7 +18,6 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
-using Microsoft.AspNetCore.Server.Kestrel.Https;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.AspNetCore.Testing.xunit;
 using Microsoft.Extensions.Logging;

test/Kestrel.FunctionalTests/BadHttpRequestTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;

test/Kestrel.FunctionalTests/HttpsTests.cs

@@ -14,10 +14,8 @@ using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
-using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
 using Microsoft.AspNetCore.Server.Kestrel.Https.Internal;
-using Microsoft.AspNetCore.Server.Kestrel.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;

test/Kestrel.FunctionalTests/KeepAliveTimeoutTests.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Diagnostics;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;

test/Kestrel.FunctionalTests/RequestTests.cs

@@ -22,7 +22,6 @@ using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
-using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.AspNetCore.Testing.xunit;
 using Microsoft.Extensions.Logging;

test/Kestrel.FunctionalTests/TestHelpers/NetworkIsReachableAttribute.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using System.Linq;
 using System.Net;
 using System.Net.Sockets;
 using Microsoft.AspNetCore.Testing;

test/Kestrel.Transport.Libuv.Tests/MultipleLoopTests.cs

@@ -3,14 +3,12 @@
 
 using System;
 using System.Buffers;
-using System.IO.Pipelines;
 using System.Net;
 using System.Net.Sockets;
 using System.Runtime.InteropServices;
 using System.Threading;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal.Networking;
-using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Tests.TestHelpers;
 using Microsoft.AspNetCore.Testing;
 using Xunit;
 

test/Kestrel.Transport.Libuv.Tests/NetworkingTests.cs

@@ -9,7 +9,6 @@ using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal.Networking;
-using System.IO.Pipelines;
 using Microsoft.AspNetCore.Testing;
 using Xunit;
 

test/Kestrel.Transport.Libuv.Tests/TestHelpers/TestLibuvTransportContext.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Internal;
 using Microsoft.AspNetCore.Testing;
 

test/shared/PassThroughConnectionAdapter.cs

@@ -3,7 +3,6 @@
 
 using System.IO;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Adapter.Internal;
 
 namespace Microsoft.AspNetCore.Testing

test/shared/TestServiceContext.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;

tools/CodeGenerator/HttpProtocolFeatureCollection.cs

@@ -4,9 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using Microsoft.AspNetCore.Http.Features;
-using Microsoft.AspNetCore.Http.Features.Authentication;
-//using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
 
 namespace CodeGenerator
 {