diff --git a/tutorial/csharp/CsharpClient/CsharpClient.cs b/tutorial/csharp/CsharpClient/CsharpClient.cs
deleted file mode 100644
index 113a472..0000000
--- a/tutorial/csharp/CsharpClient/CsharpClient.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-using System;
-using Thrift;
-using Thrift.Protocol;
-using Thrift.Server;
-using Thrift.Transport;
-
-
-namespace CSharpTutorial
-{
-    public class CSharpClient
-    {
-        public static void Main()
-        {
-            try
-            {
-                TTransport transport = new TSocket("localhost", 9090);
-                TProtocol protocol = new TBinaryProtocol(transport);
-                Calculator.Client client = new Calculator.Client(protocol);
-
-                transport.Open();
-                try
-                {
-                    client.ping();
-                    Console.WriteLine("ping()");
-
-                    int sum = client.add(1, 1);
-                    Console.WriteLine("1+1={0}", sum);
-
-                    Work work = new Work();
-
-                    work.Op = Operation.DIVIDE;
-                    work.Num1 = 1;
-                    work.Num2 = 0;
-                    try
-                    {
-                        int quotient = client.calculate(1, work);
-                        Console.WriteLine("Whoa we can divide by 0");
-                    }
-                    catch (InvalidOperation io)
-                    {
-                        Console.WriteLine("Invalid operation: " + io.Why);
-                    }
-
-                    work.Op = Operation.SUBTRACT;
-                    work.Num1 = 15;
-                    work.Num2 = 10;
-                    try
-                    {
-                        int diff = client.calculate(1, work);
-                        Console.WriteLine("15-10={0}", diff);
-                    }
-                    catch (InvalidOperation io)
-                    {
-                        Console.WriteLine("Invalid operation: " + io.Why);
-                    }
-
-                    SharedStruct log = client.getStruct(1);
-                    Console.WriteLine("Check log: {0}", log.Value);
-
-                }
-                finally
-                {
-                    transport.Close();
-                }
-            }
-            catch (TApplicationException x)
-            {
-                Console.WriteLine(x.StackTrace);
-            }
-
-        }
-    }
-}
diff --git a/tutorial/csharp/CsharpClient/CsharpClient.csproj b/tutorial/csharp/CsharpClient/CsharpClient.csproj
deleted file mode 100644
index 1ea7ff6..0000000
--- a/tutorial/csharp/CsharpClient/CsharpClient.csproj
+++ /dev/null
@@ -1,110 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements. See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership. The ASF licenses this file
-  to you under the Apache License, Version 2.0 (the
-  "License"); you may not use this file except in compliance
-  with the License. You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing,
-  software distributed under the License is distributed on an
-  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  KIND, either express or implied. See the License for the
-  specific language governing permissions and limitations
-  under the License.
--->
-<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>9.0.30729</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{18F24087-4760-43DA-ACAB-7B9F0E096B11}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>CsharpClient</RootNamespace>
-    <AssemblyName>CsharpClient</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Xml.Linq">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Data.DataSetExtensions">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\gen-csharp\Calculator.cs">
-      <Link>Calculator.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\InvalidOperation.cs">
-      <Link>InvalidOperation.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\Operation.cs">
-      <Link>Operation.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\SharedService.cs">
-      <Link>SharedService.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\SharedStruct.cs">
-      <Link>SharedStruct.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\tutorial.Constants.cs">
-      <Link>tutorial.Constants.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\Work.cs">
-      <Link>Work.cs</Link>
-    </Compile>
-    <Compile Include="CsharpClient.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\lib\csharp\src\Thrift.csproj">
-      <Project>{499eb63c-d74c-47e8-ae48-a2fc94538e9d}</Project>
-      <Name>Thrift</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <PropertyGroup>
-    <PreBuildEvent>pushd "$(SolutionDir)"
-thrift  -gen csharp   -r  ../tutorial.thrift
-popd
-</PreBuildEvent>
-  </PropertyGroup>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs b/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs
deleted file mode 100644
index 8f5b32a..0000000
--- a/tutorial/csharp/CsharpClient/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-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
-// associated with an assembly.
-[assembly: AssemblyTitle("CsharpClient")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("The Apache Software Foundation")]
-[assembly: AssemblyProduct("Thrift")]
-[assembly: AssemblyCopyright("The Apache Software Foundation")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible
-// to COM components.  If you need to access a type in this assembly from
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("1a461214-fa28-452a-bd1d-d23ca8e947e3")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.14.0.0")]
-[assembly: AssemblyFileVersion("0.14.0.0")]
diff --git a/tutorial/csharp/CsharpServer/CsharpServer.cs b/tutorial/csharp/CsharpServer/CsharpServer.cs
deleted file mode 100644
index 439790a..0000000
--- a/tutorial/csharp/CsharpServer/CsharpServer.cs
+++ /dev/null
@@ -1,129 +0,0 @@
-﻿/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-using System;
-using System.Collections.Generic;
-using Thrift.Server;
-using Thrift.Transport;
-
-namespace CSharpTutorial
-{
-    public class CalculatorHandler : Calculator.Iface
-    {
-        Dictionary<int, SharedStruct> log;
-
-        public CalculatorHandler()
-        {
-            log = new Dictionary<int, SharedStruct>();
-        }
-
-        public void ping()
-        {
-            Console.WriteLine("ping()");
-        }
-
-        public int add(int n1, int n2)
-        {
-            Console.WriteLine("add({0},{1})", n1, n2);
-            return n1 + n2;
-        }
-
-        public int calculate(int logid, Work work)
-        {
-            Console.WriteLine("calculate({0}, [{1},{2},{3}])", logid, work.Op, work.Num1, work.Num2);
-            int val = 0;
-            switch (work.Op)
-            {
-                case Operation.ADD:
-                    val = work.Num1 + work.Num2;
-                    break;
-
-                case Operation.SUBTRACT:
-                    val = work.Num1 - work.Num2;
-                    break;
-
-                case Operation.MULTIPLY:
-                    val = work.Num1 * work.Num2;
-                    break;
-
-                case Operation.DIVIDE:
-                    if (work.Num2 == 0)
-                    {
-                        InvalidOperation io = new InvalidOperation();
-                        io.WhatOp = (int)work.Op;
-                        io.Why = "Cannot divide by 0";
-                        throw io;
-                    }
-                    val = work.Num1 / work.Num2;
-                    break;
-
-                default:
-                    {
-                        InvalidOperation io = new InvalidOperation();
-                        io.WhatOp = (int)work.Op;
-                        io.Why = "Unknown operation";
-                        throw io;
-                    }
-            }
-
-            SharedStruct entry = new SharedStruct();
-            entry.Key = logid;
-            entry.Value = val.ToString();
-            log[logid] = entry;
-
-            return val;
-        }
-
-        public SharedStruct getStruct(int key)
-        {
-            Console.WriteLine("getStruct({0})", key);
-            return log[key];
-        }
-
-        public void zip()
-        {
-            Console.WriteLine("zip()");
-        }
-    }
-
-    public class CSharpServer
-    {
-        public static void Main()
-        {
-            try
-            {
-                CalculatorHandler handler = new CalculatorHandler();
-                Calculator.Processor processor = new Calculator.Processor(handler);
-                TServerTransport serverTransport = new TServerSocket(9090);
-                TServer server = new TSimpleServer(processor, serverTransport);
-
-                // Use this for a multithreaded server
-                // server = new TThreadPoolServer(processor, serverTransport);
-
-                Console.WriteLine("Starting the server...");
-                server.Serve();
-            }
-            catch (Exception x)
-            {
-                Console.WriteLine(x.StackTrace);
-            }
-            Console.WriteLine("done.");
-        }
-    }
-}
diff --git a/tutorial/csharp/CsharpServer/CsharpServer.csproj b/tutorial/csharp/CsharpServer/CsharpServer.csproj
deleted file mode 100644
index 0748180..0000000
--- a/tutorial/csharp/CsharpServer/CsharpServer.csproj
+++ /dev/null
@@ -1,111 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one
-  or more contributor license agreements. See the NOTICE file
-  distributed with this work for additional information
-  regarding copyright ownership. The ASF licenses this file
-  to you under the Apache License, Version 2.0 (the
-  "License"); you may not use this file except in compliance
-  with the License. You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing,
-  software distributed under the License is distributed on an
-  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  KIND, either express or implied. See the License for the
-  specific language governing permissions and limitations
-  under the License.
--->
-<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>9.0.30729</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{66707BAE-BBF9-4F03-B53E-BE3AD58322F8}</ProjectGuid>
-    <OutputType>Exe</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>CsharpServer</RootNamespace>
-    <AssemblyName>CsharpServer</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Xml.Linq">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Data.DataSetExtensions">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="..\gen-csharp\Calculator.cs">
-      <Link>Calculator.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\InvalidOperation.cs">
-      <Link>InvalidOperation.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\Operation.cs">
-      <Link>Operation.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\SharedService.cs">
-      <Link>SharedService.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\SharedStruct.cs">
-      <Link>SharedStruct.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\tutorial.Constants.cs">
-      <Link>tutorial.Constants.cs</Link>
-    </Compile>
-    <Compile Include="..\gen-csharp\Work.cs">
-      <Link>Work.cs</Link>
-    </Compile>
-    <Compile Include="CsharpServer.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\lib\csharp\src\Thrift.csproj">
-      <Project>{499eb63c-d74c-47e8-ae48-a2fc94538e9d}</Project>
-      <Name>Thrift</Name>
-    </ProjectReference>
-  </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <PropertyGroup>
-    <PreBuildEvent>pushd "$(SolutionDir)"
-thrift  -gen csharp   -r  ../tutorial.thrift
-popd
-
-</PreBuildEvent>
-  </PropertyGroup>
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
-</Project>
\ No newline at end of file
diff --git a/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs b/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs
deleted file mode 100644
index 0d4f0fb..0000000
--- a/tutorial/csharp/CsharpServer/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-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
-// associated with an assembly.
-[assembly: AssemblyTitle("CsharpServer")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("The Apache Software Foundation")]
-[assembly: AssemblyProduct("Thrift")]
-[assembly: AssemblyCopyright("The Apache Software Foundation")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible
-// to COM components.  If you need to access a type in this assembly from
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-// The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("e3b428f4-b2e9-4fc1-8a34-84abc4339860")]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.14.0.0")]
-[assembly: AssemblyFileVersion("0.14.0.0")]
diff --git a/tutorial/csharp/tutorial.sln b/tutorial/csharp/tutorial.sln
deleted file mode 100644
index ec57a18..0000000
--- a/tutorial/csharp/tutorial.sln
+++ /dev/null
@@ -1,39 +0,0 @@
-﻿
-Microsoft Visual Studio Solution File, Format Version 11.00
-# Visual Studio 2010
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Thrift", "..\..\lib\csharp\src\Thrift.csproj", "{499EB63C-D74C-47E8-AE48-A2FC94538E9D}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsharpClient", "CsharpClient\CsharpClient.csproj", "{18F24087-4760-43DA-ACAB-7B9F0E096B11}"
-    ProjectSection(ProjectDependencies) = postProject
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D} = {499EB63C-D74C-47E8-AE48-A2FC94538E9D}
-        {66707BAE-BBF9-4F03-B53E-BE3AD58322F8} = {66707BAE-BBF9-4F03-B53E-BE3AD58322F8}
-    EndProjectSection
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CsharpServer", "CsharpServer\CsharpServer.csproj", "{66707BAE-BBF9-4F03-B53E-BE3AD58322F8}"
-    ProjectSection(ProjectDependencies) = postProject
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D} = {499EB63C-D74C-47E8-AE48-A2FC94538E9D}
-    EndProjectSection
-EndProject
-Global
-    GlobalSection(SolutionConfigurationPlatforms) = preSolution
-        Debug|Any CPU = Debug|Any CPU
-        Release|Any CPU = Release|Any CPU
-    EndGlobalSection
-    GlobalSection(ProjectConfigurationPlatforms) = postSolution
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-        {499EB63C-D74C-47E8-AE48-A2FC94538E9D}.Release|Any CPU.Build.0 = Release|Any CPU
-        {18F24087-4760-43DA-ACAB-7B9F0E096B11}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-        {18F24087-4760-43DA-ACAB-7B9F0E096B11}.Debug|Any CPU.Build.0 = Debug|Any CPU
-        {18F24087-4760-43DA-ACAB-7B9F0E096B11}.Release|Any CPU.ActiveCfg = Release|Any CPU
-        {18F24087-4760-43DA-ACAB-7B9F0E096B11}.Release|Any CPU.Build.0 = Release|Any CPU
-        {66707BAE-BBF9-4F03-B53E-BE3AD58322F8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-        {66707BAE-BBF9-4F03-B53E-BE3AD58322F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
-        {66707BAE-BBF9-4F03-B53E-BE3AD58322F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
-        {66707BAE-BBF9-4F03-B53E-BE3AD58322F8}.Release|Any CPU.Build.0 = Release|Any CPU
-    EndGlobalSection
-    GlobalSection(SolutionProperties) = preSolution
-        HideSolutionNode = FALSE
-    EndGlobalSection
-EndGlobal
diff --git a/tutorial/netstd/Client/Client.csproj b/tutorial/netstd/Client/Client.csproj
index 81b503f..10d5040 100644
--- a/tutorial/netstd/Client/Client.csproj
+++ b/tutorial/netstd/Client/Client.csproj
@@ -30,7 +30,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.4" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tutorial/netstd/Server/Server.csproj b/tutorial/netstd/Server/Server.csproj
index 95eabd3..b3ff516 100644
--- a/tutorial/netstd/Server/Server.csproj
+++ b/tutorial/netstd/Server/Server.csproj
@@ -38,7 +38,7 @@
     <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="2.2.1" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.4" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.0" />
   </ItemGroup>
 
 </Project>