diff --git a/src/Servers/Kestrel/Core/src/Adapter/Internal/AdaptedPipeline.cs b/src/Servers/Kestrel/Core/src/Adapter/Internal/AdaptedPipeline.cs
index eb65aac253e2..4b591a717d58 100644
--- a/src/Servers/Kestrel/Core/src/Adapter/Internal/AdaptedPipeline.cs
+++ b/src/Servers/Kestrel/Core/src/Adapter/Internal/AdaptedPipeline.cs
@@ -74,27 +74,13 @@ private async Task WriteOutputAsync(Stream stream)
                         }
                         else if (buffer.IsSingleSegment)
                         {
-#if NETCOREAPP2_1
                             await stream.WriteAsync(buffer.First);
-#elif NETSTANDARD2_0
-                            var array = buffer.First.GetArray();
-                            await stream.WriteAsync(array.Array, array.Offset, array.Count);
-#else
-#error TFMs need to be updated
-#endif
                         }
                         else
                         {
                             foreach (var memory in buffer)
                             {
-#if NETCOREAPP2_1
                                 await stream.WriteAsync(memory);
-#elif NETSTANDARD2_0
-                                var array = memory.GetArray();
-                                await stream.WriteAsync(array.Array, array.Offset, array.Count);
-#else
-#error TFMs need to be updated
-#endif
                             }
                         }
                     }
@@ -131,14 +117,7 @@ private async Task ReadInputAsync(Stream stream)
                 {
 
                     var outputBuffer = Input.Writer.GetMemory(MinAllocBufferSize);
-#if NETCOREAPP2_1
                     var bytesRead = await stream.ReadAsync(outputBuffer);
-#elif NETSTANDARD2_0
-                    var array = outputBuffer.GetArray();
-                    var bytesRead = await stream.ReadAsync(array.Array, array.Offset, array.Count);
-#else
-#error TFMs need to be updated
-#endif
                     Input.Writer.Advance(bytesRead);
 
                     if (bytesRead == 0)
diff --git a/src/Servers/Kestrel/Core/src/Adapter/Internal/LoggingStream.cs b/src/Servers/Kestrel/Core/src/Adapter/Internal/LoggingStream.cs
index 42722f24133a..d7d5e8559073 100644
--- a/src/Servers/Kestrel/Core/src/Adapter/Internal/LoggingStream.cs
+++ b/src/Servers/Kestrel/Core/src/Adapter/Internal/LoggingStream.cs
@@ -83,17 +83,12 @@ public override int Read(byte[] buffer, int offset, int count)
             return read;
         }
 
-#if NETCOREAPP2_1
         public override int Read(Span<byte> destination)
         {
             int read = _inner.Read(destination);
             Log("Read", destination.Slice(0, read));
             return read;
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public async override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
         {
@@ -102,17 +97,12 @@ public async override Task<int> ReadAsync(byte[] buffer, int offset, int count,
             return read;
         }
 
-#if NETCOREAPP2_1
         public override async ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
         {
             int read = await _inner.ReadAsync(destination, cancellationToken);
             Log("ReadAsync", destination.Span.Slice(0, read));
             return read;
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override long Seek(long offset, SeekOrigin origin)
         {
@@ -130,16 +120,11 @@ public override void Write(byte[] buffer, int offset, int count)
             _inner.Write(buffer, offset, count);
         }
 
-#if NETCOREAPP2_1
         public override void Write(ReadOnlySpan<byte> source)
         {
             Log("Write", source);
             _inner.Write(source);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
         {
@@ -147,16 +132,11 @@ public override Task WriteAsync(byte[] buffer, int offset, int count, Cancellati
             return _inner.WriteAsync(buffer, offset, count, cancellationToken);
         }
 
-#if NETCOREAPP2_1
         public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
         {
             Log("WriteAsync", source.Span);
             return _inner.WriteAsync(source, cancellationToken);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         private void Log(string method, ReadOnlySpan<byte> buffer)
         {
diff --git a/src/Servers/Kestrel/Core/src/Adapter/Internal/RawStream.cs b/src/Servers/Kestrel/Core/src/Adapter/Internal/RawStream.cs
index 137b87ea0455..837bc8ec0598 100644
--- a/src/Servers/Kestrel/Core/src/Adapter/Internal/RawStream.cs
+++ b/src/Servers/Kestrel/Core/src/Adapter/Internal/RawStream.cs
@@ -69,15 +69,10 @@ public override Task<int> ReadAsync(byte[] buffer, int offset, int count, Cancel
             return ReadAsyncInternal(new Memory<byte>(buffer, offset, count)).AsTask();
         }
 
-#if NETCOREAPP2_1
         public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
         {
             return ReadAsyncInternal(destination);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override void Write(byte[] buffer, int offset, int count)
         {
@@ -94,16 +89,11 @@ public override async Task WriteAsync(byte[] buffer, int offset, int count, Canc
             await _output.FlushAsync(cancellationToken);
         }
 
-#if NETCOREAPP2_1
         public override async ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
         {
             _output.Write(source.Span);
             await _output.FlushAsync(cancellationToken);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override void Flush()
         {
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http/HttpRequestStream.cs b/src/Servers/Kestrel/Core/src/Internal/Http/HttpRequestStream.cs
index 3451bcdb303f..a160d9180e0c 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http/HttpRequestStream.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http/HttpRequestStream.cs
@@ -111,17 +111,12 @@ public override Task<int> ReadAsync(byte[] buffer, int offset, int count, Cancel
             return ReadAsyncInternal(new Memory<byte>(buffer, offset, count), cancellationToken).AsTask();
         }
 
-#if NETCOREAPP2_1
         public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
         {
             ValidateState(cancellationToken);
 
             return ReadAsyncInternal(destination, cancellationToken);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         private async ValueTask<int> ReadAsyncInternal(Memory<byte> buffer, CancellationToken cancellationToken)
         {
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http/HttpResponseStream.cs b/src/Servers/Kestrel/Core/src/Internal/Http/HttpResponseStream.cs
index 79d31367c89e..2d50902e3169 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http/HttpResponseStream.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http/HttpResponseStream.cs
@@ -112,17 +112,12 @@ public override Task WriteAsync(byte[] buffer, int offset, int count, Cancellati
             return _httpResponseControl.WriteAsync(new ReadOnlyMemory<byte>(buffer, offset, count), cancellationToken);
         }
 
-#if NETCOREAPP2_1
         public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
         {
             ValidateState(cancellationToken);
 
             return new ValueTask(_httpResponseControl.WriteAsync(source, cancellationToken));
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public void StartAcceptingWrites()
         {
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http/HttpUpgradeStream.cs b/src/Servers/Kestrel/Core/src/Internal/Http/HttpUpgradeStream.cs
index 0b89d00ed132..4557e6609d8c 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http/HttpUpgradeStream.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http/HttpUpgradeStream.cs
@@ -145,15 +145,10 @@ public override Task<int> ReadAsync(byte[] buffer, int offset, int count, Cancel
             return _requestStream.ReadAsync(buffer, offset, count, cancellationToken);
         }
 
-#if NETCOREAPP2_1
         public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
         {
             return _requestStream.ReadAsync(destination, cancellationToken);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
         {
@@ -165,15 +160,10 @@ public override Task WriteAsync(byte[] buffer, int offset, int count, Cancellati
             return _responseStream.WriteAsync(buffer, offset, count, cancellationToken);
         }
 
-#if NETCOREAPP2_1
         public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
         {
             return _responseStream.WriteAsync(source, cancellationToken);
         }
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override long Seek(long offset, SeekOrigin origin)
         {
diff --git a/src/Servers/Kestrel/Core/src/Internal/Http/MessageBody.cs b/src/Servers/Kestrel/Core/src/Internal/Http/MessageBody.cs
index 750a49079375..30248cac50db 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Http/MessageBody.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Http/MessageBody.cs
@@ -113,15 +113,7 @@ protected MessageBody(HttpProtocol context, MinDataRate minRequestBodyDataRate)
                             // REVIEW: This *could* be slower if 2 things are true
                             // - The WriteAsync(ReadOnlyMemory<byte>) isn't overridden on the destination
                             // - We change the Kestrel Memory Pool to not use pinned arrays but instead use native memory
-
-#if NETCOREAPP2_1
                             await destination.WriteAsync(memory, cancellationToken);
-#elif NETSTANDARD2_0
-                            var array = memory.GetArray();
-                            await destination.WriteAsync(array.Array, array.Offset, array.Count, cancellationToken);
-#else
-#error TFMs need to be updated
-#endif
                         }
                     }
 
diff --git a/src/Servers/Kestrel/Core/src/Internal/HttpsConnectionAdapter.cs b/src/Servers/Kestrel/Core/src/Internal/HttpsConnectionAdapter.cs
index 4abeabc80afd..5b365c9bc332 100644
--- a/src/Servers/Kestrel/Core/src/Internal/HttpsConnectionAdapter.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/HttpsConnectionAdapter.cs
@@ -131,7 +131,6 @@ private async Task<IAdaptedConnection> InnerOnConnectionAsync(ConnectionAdapterC
 
             try
             {
-#if NETCOREAPP2_1
                 // Adapt to the SslStream signature
                 ServerCertificateSelectionCallback selector = null;
                 if (_serverCertificateSelector != null)
@@ -172,22 +171,6 @@ private async Task<IAdaptedConnection> InnerOnConnectionAsync(ConnectionAdapterC
                 }
 
                 await sslStream.AuthenticateAsServerAsync(sslOptions, CancellationToken.None);
-#elif NETSTANDARD2_0 // No ALPN support
-                var serverCert = _serverCertificate;
-                if (_serverCertificateSelector != null)
-                {
-                    context.Features.Set(sslStream);
-                    serverCert = _serverCertificateSelector(context.ConnectionContext, null);
-                    if (serverCert != null)
-                    {
-                        EnsureCertificateIsAllowedForServerAuth(serverCert);
-                    }
-                }
-                await sslStream.AuthenticateAsServerAsync(serverCert, certificateRequired,
-                        _options.SslProtocols, _options.CheckCertificateRevocation);
-#else
-#error TFMs need to be updated
-#endif
             }
             catch (OperationCanceledException)
             {
@@ -206,13 +189,8 @@ await sslStream.AuthenticateAsServerAsync(serverCert, certificateRequired,
                 timeoutFeature.CancelTimeout();
             }
 
-#if NETCOREAPP2_1
             feature.ApplicationProtocol = sslStream.NegotiatedApplicationProtocol.Protocol;
             context.Features.Set<ITlsApplicationProtocolFeature>(feature);
-#elif NETSTANDARD2_0 // No ALPN support
-#else
-#error TFMs need to be updated
-#endif
             feature.ClientCertificate = ConvertToX509Certificate2(sslStream.RemoteCertificate);
             feature.CipherAlgorithm = sslStream.CipherAlgorithm;
             feature.CipherStrength = sslStream.CipherStrength;
diff --git a/src/Servers/Kestrel/Core/src/Internal/Infrastructure/WrappingStream.cs b/src/Servers/Kestrel/Core/src/Internal/Infrastructure/WrappingStream.cs
index 0be1c97d7e60..6f1b13c39b1a 100644
--- a/src/Servers/Kestrel/Core/src/Internal/Infrastructure/WrappingStream.cs
+++ b/src/Servers/Kestrel/Core/src/Internal/Infrastructure/WrappingStream.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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;
@@ -68,13 +68,8 @@ public override int Read(byte[] buffer, int offset, int count)
         public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
             => _inner.ReadAsync(buffer, offset, count, cancellationToken);
 
-#if NETCOREAPP2_1
         public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
             => _inner.ReadAsync(destination, cancellationToken);
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override int ReadByte()
             => _inner.ReadByte();
@@ -91,13 +86,8 @@ public override void Write(byte[] buffer, int offset, int count)
         public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
             => _inner.WriteAsync(buffer, offset, count, cancellationToken);
 
-#if NETCOREAPP2_1
         public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
             => _inner.WriteAsync(source, cancellationToken);
-#elif NETSTANDARD2_0
-#else
-#error TFMs need to be updated
-#endif
 
         public override void WriteByte(byte value)
             => _inner.WriteByte(value);
diff --git a/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj b/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj
index 90d916537e6b..04fd9fff4f73 100644
--- a/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj
+++ b/src/Servers/Kestrel/Core/src/Microsoft.AspNetCore.Server.Kestrel.Core.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Core components of ASP.NET Core Kestrel cross-platform web server.</Description>
-    <TargetFrameworks>netstandard2.0;netcoreapp2.1</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/src/Servers/Kestrel/Core/test/HttpRequestStreamTests.cs b/src/Servers/Kestrel/Core/test/HttpRequestStreamTests.cs
index a9b0f9726808..ee3c21a042cf 100644
--- a/src/Servers/Kestrel/Core/test/HttpRequestStreamTests.cs
+++ b/src/Servers/Kestrel/Core/test/HttpRequestStreamTests.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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;
@@ -85,18 +85,6 @@ public async Task WriteAsyncThrows()
             await Assert.ThrowsAsync<NotSupportedException>(() => stream.WriteAsync(new byte[1], 0, 1));
         }
 
-#if NET461
-        [Fact]
-        public void BeginWriteThrows()
-        {
-            var stream = new HttpRequestStream(Mock.Of<IHttpBodyControlFeature>());
-            Assert.Throws<NotSupportedException>(() => stream.BeginWrite(new byte[1], 0, 1, null, null));
-        }
-#elif NETCOREAPP2_2
-#else
-#error Target framework needs to be updated
-#endif
-
         [Fact]
         // Read-only streams should support Flush according to https://github.com/dotnet/corefx/pull/27327#pullrequestreview-98384813
         public void FlushDoesNotThrow()
diff --git a/src/Servers/Kestrel/Core/test/Microsoft.AspNetCore.Server.Kestrel.Core.Tests.csproj b/src/Servers/Kestrel/Core/test/Microsoft.AspNetCore.Server.Kestrel.Core.Tests.csproj
index 1ba8b542d19c..1db176d5eb8a 100644
--- a/src/Servers/Kestrel/Core/test/Microsoft.AspNetCore.Server.Kestrel.Core.Tests.csproj
+++ b/src/Servers/Kestrel/Core/test/Microsoft.AspNetCore.Server.Kestrel.Core.Tests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
diff --git a/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj b/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj
index 60e282fe8272..7394ffae0029 100644
--- a/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj
+++ b/src/Servers/Kestrel/Kestrel/src/Microsoft.AspNetCore.Server.Kestrel.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core Kestrel cross-platform web server.</Description>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <NoWarn>CS1591;$(NoWarn)</NoWarn>
diff --git a/src/Servers/Kestrel/Kestrel/test/GeneratedCodeTests.cs b/src/Servers/Kestrel/Kestrel/test/GeneratedCodeTests.cs
index e561f0cc213b..f91bee1dd6e8 100644
--- a/src/Servers/Kestrel/Kestrel/test/GeneratedCodeTests.cs
+++ b/src/Servers/Kestrel/Kestrel/test/GeneratedCodeTests.cs
@@ -1,7 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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.
 
-#if NETCOREAPP2_2
 using System;
 using System.IO;
 using System.Linq;
@@ -57,7 +56,3 @@ public void GeneratedCodeIsUpToDate()
         }
     }
 }
-#elif NET461
-#else
-#error Target framework needs to be updated
-#endif
diff --git a/src/Servers/Kestrel/Kestrel/test/Microsoft.AspNetCore.Server.Kestrel.Tests.csproj b/src/Servers/Kestrel/Kestrel/test/Microsoft.AspNetCore.Server.Kestrel.Tests.csproj
index ab8048acb881..1a91bad913eb 100644
--- a/src/Servers/Kestrel/Kestrel/test/Microsoft.AspNetCore.Server.Kestrel.Tests.csproj
+++ b/src/Servers/Kestrel/Kestrel/test/Microsoft.AspNetCore.Server.Kestrel.Tests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj b/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj
index e6d51dac8f05..39c53a73ff7b 100644
--- a/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj
+++ b/src/Servers/Kestrel/Transport.Abstractions/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Transport abstractions for the ASP.NET Core Kestrel cross-platform web server.</Description>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <NoWarn>CS1570;CS1571;CS1572;CS1573;CS1574;CS1591;$(NoWarn)</NoWarn>
diff --git a/src/Servers/Kestrel/Transport.Libuv/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.csproj b/src/Servers/Kestrel/Transport.Libuv/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.csproj
index 001e97cdb6b4..b7b4f6d53e2f 100644
--- a/src/Servers/Kestrel/Transport.Libuv/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.csproj
+++ b/src/Servers/Kestrel/Transport.Libuv/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.csproj
@@ -1,8 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Description>Libuv transport for the ASP.NET Core Kestrel cross-platform web server.</Description>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/src/Servers/Kestrel/Transport.Libuv/test/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Tests.csproj b/src/Servers/Kestrel/Transport.Libuv/test/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Tests.csproj
index 17c05a6cd729..bb263e89a3fd 100644
--- a/src/Servers/Kestrel/Transport.Libuv/test/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Tests.csproj
+++ b/src/Servers/Kestrel/Transport.Libuv/test/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv.Tests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ServerGarbageCollection>true</ServerGarbageCollection>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketReceiver.cs b/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketReceiver.cs
index 3c3451cbcc8c..1888ab87551c 100644
--- a/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketReceiver.cs
+++ b/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketReceiver.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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;
@@ -15,13 +15,7 @@ public SocketReceiver(Socket socket, PipeScheduler scheduler) : base(socket, sch
 
         public SocketAwaitableEventArgs WaitForDataAsync()
         {
-#if NETCOREAPP2_1
             _awaitableEventArgs.SetBuffer(Memory<byte>.Empty);
-#elif NETSTANDARD2_0
-            _awaitableEventArgs.SetBuffer(Array.Empty<byte>(), 0, 0);
-#else
-#error TFMs need to be updated
-#endif
 
             if (!_socket.ReceiveAsync(_awaitableEventArgs))
             {
@@ -33,15 +27,8 @@ public SocketAwaitableEventArgs WaitForDataAsync()
 
         public SocketAwaitableEventArgs ReceiveAsync(Memory<byte> buffer)
         {
-#if NETCOREAPP2_1
             _awaitableEventArgs.SetBuffer(buffer);
-#elif NETSTANDARD2_0
-            var segment = buffer.GetArray();
 
-            _awaitableEventArgs.SetBuffer(segment.Array, segment.Offset, segment.Count);
-#else
-#error TFMs need to be updated
-#endif
             if (!_socket.ReceiveAsync(_awaitableEventArgs))
             {
                 _awaitableEventArgs.Complete();
diff --git a/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketSender.cs b/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketSender.cs
index 4dba6aedb4ce..62583df05d7e 100644
--- a/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketSender.cs
+++ b/src/Servers/Kestrel/Transport.Sockets/src/Internal/SocketSender.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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;
@@ -26,13 +26,7 @@ public SocketAwaitableEventArgs SendAsync(ReadOnlySequence<byte> buffers)
                 return SendAsync(buffers.First);
             }
 
-#if NETCOREAPP2_1
             if (!_awaitableEventArgs.MemoryBuffer.Equals(Memory<byte>.Empty))
-#elif NETSTANDARD2_0
-            if (_awaitableEventArgs.Buffer != null)
-#else
-#error TFMs need to be updated
-#endif
             {
                 _awaitableEventArgs.SetBuffer(null, 0, 0);
             }
@@ -55,15 +49,8 @@ private SocketAwaitableEventArgs SendAsync(ReadOnlyMemory<byte> memory)
                 _awaitableEventArgs.BufferList = null;
             }
 
-#if NETCOREAPP2_1
             _awaitableEventArgs.SetBuffer(MemoryMarshal.AsMemory(memory));
-#elif NETSTANDARD2_0
-            var segment = memory.GetArray();
 
-            _awaitableEventArgs.SetBuffer(segment.Array, segment.Offset, segment.Count);
-#else
-#error TFMs need to be updated
-#endif
             if (!_socket.SendAsync(_awaitableEventArgs))
             {
                 _awaitableEventArgs.Complete();
diff --git a/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj b/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj
index 82dde8daa864..2df07062fd25 100644
--- a/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj
+++ b/src/Servers/Kestrel/Transport.Sockets/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Managed socket transport for the ASP.NET Core Kestrel cross-platform web server.</Description>
-    <TargetFrameworks>netstandard2.0;netcoreapp2.1</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/src/Servers/Kestrel/perf/Kestrel.Performance/Microsoft.AspNetCore.Server.Kestrel.Performance.csproj b/src/Servers/Kestrel/perf/Kestrel.Performance/Microsoft.AspNetCore.Server.Kestrel.Performance.csproj
index 8b6637c1d62c..09655f7ca8fd 100644
--- a/src/Servers/Kestrel/perf/Kestrel.Performance/Microsoft.AspNetCore.Server.Kestrel.Performance.csproj
+++ b/src/Servers/Kestrel/perf/Kestrel.Performance/Microsoft.AspNetCore.Server.Kestrel.Performance.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj b/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
index 4460a67388f1..a1895bec473d 100644
--- a/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
+++ b/src/Servers/Kestrel/perf/PlatformBenchmarks/PlatformBenchmarks.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
diff --git a/src/Servers/Kestrel/samples/Http2SampleApp/Http2SampleApp.csproj b/src/Servers/Kestrel/samples/Http2SampleApp/Http2SampleApp.csproj
index b367dd576ab2..c7eb03c2c1c6 100644
--- a/src/Servers/Kestrel/samples/Http2SampleApp/Http2SampleApp.csproj
+++ b/src/Servers/Kestrel/samples/Http2SampleApp/Http2SampleApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/samples/LargeResponseApp/LargeResponseApp.csproj b/src/Servers/Kestrel/samples/LargeResponseApp/LargeResponseApp.csproj
index 6d4786c5b5bf..976d4df073d0 100644
--- a/src/Servers/Kestrel/samples/LargeResponseApp/LargeResponseApp.csproj
+++ b/src/Servers/Kestrel/samples/LargeResponseApp/LargeResponseApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/samples/PlaintextApp/PlaintextApp.csproj b/src/Servers/Kestrel/samples/PlaintextApp/PlaintextApp.csproj
index 6d4786c5b5bf..976d4df073d0 100644
--- a/src/Servers/Kestrel/samples/PlaintextApp/PlaintextApp.csproj
+++ b/src/Servers/Kestrel/samples/PlaintextApp/PlaintextApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/samples/SampleApp/SampleApp.csproj b/src/Servers/Kestrel/samples/SampleApp/SampleApp.csproj
index 9e8a0e6269cd..1e7a08eff73e 100644
--- a/src/Servers/Kestrel/samples/SampleApp/SampleApp.csproj
+++ b/src/Servers/Kestrel/samples/SampleApp/SampleApp.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/samples/SystemdTestApp/SystemdTestApp.csproj b/src/Servers/Kestrel/samples/SystemdTestApp/SystemdTestApp.csproj
index 41aa0ed7835c..b651cc6cf974 100644
--- a/src/Servers/Kestrel/samples/SystemdTestApp/SystemdTestApp.csproj
+++ b/src/Servers/Kestrel/samples/SystemdTestApp/SystemdTestApp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/shared/test/PassThroughConnectionAdapter.cs b/src/Servers/Kestrel/shared/test/PassThroughConnectionAdapter.cs
index 351a2c9e93f3..9f81ceec5fd0 100644
--- a/src/Servers/Kestrel/shared/test/PassThroughConnectionAdapter.cs
+++ b/src/Servers/Kestrel/shared/test/PassThroughConnectionAdapter.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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;
@@ -140,7 +140,6 @@ public override void Close()
                 _innerStream.Close();
             }
 
-#if NETCOREAPP2_2
             public override int Read(Span<byte> buffer)
             {
                 return _innerStream.Read(buffer);
@@ -165,10 +164,6 @@ public override void CopyTo(Stream destination, int bufferSize)
             {
                 _innerStream.CopyTo(destination, bufferSize);
             }
-#elif NET461
-#else
-#error TFMs need to be updated
-#endif
         }
     }
 }
diff --git a/src/Servers/Kestrel/test/FunctionalTests/Http2/HandshakeTests.cs b/src/Servers/Kestrel/test/FunctionalTests/Http2/HandshakeTests.cs
index 0b81846e92ae..446be393dcaf 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/Http2/HandshakeTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/Http2/HandshakeTests.cs
@@ -1,8 +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.
 
-#if NETCOREAPP2_2
-
 using System;
 using System.Net;
 using System.Net.Http;
@@ -95,7 +93,3 @@ public async Task TlsAlpnHandshakeSelectsHttp2()
         }
     }
 }
-#elif NET461 // No ALPN support
-#else
-#error TFMs need updating
-#endif
\ No newline at end of file
diff --git a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
index d1f06974e6e0..cb7c5a1ee4f9 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
@@ -1,8 +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.
 
-#if NETCOREAPP2_2
-
 using System.Collections.Generic;
 using System.Net;
 using System.Net.Http;
@@ -146,7 +144,3 @@ public async Task GracefulTurnsAbortiveIfRequestsDoNotFinish()
         }
     }
 }
-#elif NET461 // No ALPN support
-#else
-#error TFMs need updating
-#endif
\ No newline at end of file
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/TlsTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/TlsTests.cs
index f366f1dd0fcf..85c05798a6c9 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/TlsTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/TlsTests.cs
@@ -1,8 +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.
 
-#if NETCOREAPP2_2
-
 using System.Collections.Generic;
 using System.IO;
 using System.IO.Pipelines;
@@ -126,7 +124,3 @@ private async Task<Http2Frame> ReceiveFrameAsync(PipeReader reader)
         }
     }
 }
-#elif NET461 // No ALPN support
-#else
-#error TFMs need updating
-#endif
\ No newline at end of file
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/HttpsConnectionAdapterTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/HttpsConnectionAdapterTests.cs
index 572e717b801d..ae9434642d3f 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/HttpsConnectionAdapterTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/HttpsConnectionAdapterTests.cs
@@ -182,13 +182,7 @@ public async Task UsesProvidedServerCertificateSelector()
                         {
                             Assert.NotNull(connection);
                             Assert.NotNull(connection.Features.Get<SslStream>());
-#if NETCOREAPP2_2
                             Assert.Equal("localhost", name);
-#elif NET461
-                            Assert.Null(name);
-#else
-#error TFMs need to be updated
-#endif
                             selectorCalled++;
                             return _x509Certificate2;
                         }
@@ -224,13 +218,7 @@ public async Task UsesProvidedServerCertificateSelectorEachTime()
                         {
                             Assert.NotNull(connection);
                             Assert.NotNull(connection.Features.Get<SslStream>());
-#if NETCOREAPP2_2
                             Assert.Equal("localhost", name);
-#elif NET461
-                            Assert.Null(name);
-#else
-#error TFMs need to be updated
-#endif
                             selectorCalled++;
                             if (selectorCalled == 1)
                             {
@@ -314,13 +302,7 @@ public async Task UsesProvidedServerCertificateSelectorOverridesServerCertificat
                         {
                             Assert.NotNull(connection);
                             Assert.NotNull(connection.Features.Get<SslStream>());
-#if NETCOREAPP2_2
                             Assert.Equal("localhost", name);
-#elif NET461
-                            Assert.Null(name);
-#else
-#error TFMs need to be updated
-#endif
                             selectorCalled++;
                             return _x509Certificate2;
                         }
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/InMemory.FunctionalTests.csproj b/src/Servers/Kestrel/test/InMemory.FunctionalTests/InMemory.FunctionalTests.csproj
index 0e665b5fcd81..293b468728b0 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/InMemory.FunctionalTests.csproj
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/InMemory.FunctionalTests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <TestGroupName>InMemory.FunctionalTests</TestGroupName>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/test/Interop.FunctionalTests/ChromeTests.cs b/src/Servers/Kestrel/test/Interop.FunctionalTests/ChromeTests.cs
index 1e402ba8bfbc..4c8551899ce5 100644
--- a/src/Servers/Kestrel/test/Interop.FunctionalTests/ChromeTests.cs
+++ b/src/Servers/Kestrel/test/Interop.FunctionalTests/ChromeTests.cs
@@ -1,8 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// 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.
 
-#if NETCOREAPP2_2
-
 using System;
 using System.IO;
 using System.Net;
@@ -135,8 +133,3 @@ private void AssertExpectedResponseOrShowDebugInstructions(string expectedRespon
         }
     }
 }
-
-#elif NET461 // No ALPN support
-#else
-#error TFMs need updating
-#endif
diff --git a/src/Servers/Kestrel/test/Interop.FunctionalTests/Interop.FunctionalTests.csproj b/src/Servers/Kestrel/test/Interop.FunctionalTests/Interop.FunctionalTests.csproj
index acfdb652fe67..b420aac5f5ab 100644
--- a/src/Servers/Kestrel/test/Interop.FunctionalTests/Interop.FunctionalTests.csproj
+++ b/src/Servers/Kestrel/test/Interop.FunctionalTests/Interop.FunctionalTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <TestGroupName>Interop.FunctionalTests</TestGroupName>
     <WarningsNotAsErrors>CS8002;$(WarningsNotAsErrors)</WarningsNotAsErrors>
diff --git a/src/Servers/Kestrel/test/Libuv.BindTests/Libuv.BindTests.csproj b/src/Servers/Kestrel/test/Libuv.BindTests/Libuv.BindTests.csproj
index 492ee2f12a06..690d9f5d9b2e 100644
--- a/src/Servers/Kestrel/test/Libuv.BindTests/Libuv.BindTests.csproj
+++ b/src/Servers/Kestrel/test/Libuv.BindTests/Libuv.BindTests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <TestGroupName>Libuv.BindTests</TestGroupName>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/test/Libuv.FunctionalTests/Libuv.FunctionalTests.csproj b/src/Servers/Kestrel/test/Libuv.FunctionalTests/Libuv.FunctionalTests.csproj
index 70253c4aba02..30392ae11ee3 100644
--- a/src/Servers/Kestrel/test/Libuv.FunctionalTests/Libuv.FunctionalTests.csproj
+++ b/src/Servers/Kestrel/test/Libuv.FunctionalTests/Libuv.FunctionalTests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <DefineConstants Condition="$([MSBuild]::IsOSPlatform('OSX'))">$(DefineConstants);MACOS</DefineConstants>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <!-- Put this project into its own test group to avoid running parallel with other test projects. Libuv does not play nice with other test assemblies. -->
diff --git a/src/Servers/Kestrel/test/Sockets.BindTests/Sockets.BindTests.csproj b/src/Servers/Kestrel/test/Sockets.BindTests/Sockets.BindTests.csproj
index cabf3e90b0f8..b0622e4eb3ad 100644
--- a/src/Servers/Kestrel/test/Sockets.BindTests/Sockets.BindTests.csproj
+++ b/src/Servers/Kestrel/test/Sockets.BindTests/Sockets.BindTests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <TestGroupName>Sockets.BindTests</TestGroupName>
   </PropertyGroup>
diff --git a/src/Servers/Kestrel/test/Sockets.FunctionalTests/Sockets.FunctionalTests.csproj b/src/Servers/Kestrel/test/Sockets.FunctionalTests/Sockets.FunctionalTests.csproj
index b297d34d66d4..56a6b3c42e3d 100644
--- a/src/Servers/Kestrel/test/Sockets.FunctionalTests/Sockets.FunctionalTests.csproj
+++ b/src/Servers/Kestrel/test/Sockets.FunctionalTests/Sockets.FunctionalTests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <DefineConstants Condition="$([MSBuild]::IsOSPlatform('OSX'))">$(DefineConstants);MACOS</DefineConstants>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <TestGroupName>Sockets.FunctionalTests</TestGroupName>
diff --git a/src/Servers/Kestrel/tools/CodeGenerator/CodeGenerator.csproj b/src/Servers/Kestrel/tools/CodeGenerator/CodeGenerator.csproj
index d4c557726de4..634bac96d187 100644
--- a/src/Servers/Kestrel/tools/CodeGenerator/CodeGenerator.csproj
+++ b/src/Servers/Kestrel/tools/CodeGenerator/CodeGenerator.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>