diff --git a/Windows/CS/Framework4.0/CubeLib/CubeLib/CubeLib.csproj b/Windows/CS/Framework4.0/CubeLib/CubeLib/CubeLib.csproj
index 8fc13fa..0aa0bad 100644
--- a/Windows/CS/Framework4.0/CubeLib/CubeLib/CubeLib.csproj
+++ b/Windows/CS/Framework4.0/CubeLib/CubeLib/CubeLib.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -51,19 +51,10 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="WebSocket\IWebSocketClient.cs" />
-    <Compile Include="WebSocket\WebSocketClient.cs" />
-    <Compile Include="WebSocket\IWebSocketServer.cs" />
-    <Compile Include="WebSocket\WebSocketServer.cs" />
-    <Compile Include="WebSocket\WebSocketHelper.cs" />
-    <Compile Include="WebSocket\WebSocketTest.cs" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="CubeLib.ico" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.config" />
-  </ItemGroup>
   <ItemGroup>
     <Folder Include="WebSocket\" />
   </ItemGroup>