diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 5b3da7c6c99..852b2121143 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -8,7 +8,7 @@
     <RootNamespace>Grpc.Core</RootNamespace>
     <AssemblyName>Grpc.Core</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>be3e9d03</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>c0512805</NuGetPackageImportStamp>
     <DocumentationFile>bin\$(Configuration)\Grpc.Core.Xml</DocumentationFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -19,6 +19,7 @@
     <DefineConstants>DEBUG;</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <NativeDependenciesConfiguration>Debug</NativeDependenciesConfiguration>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -26,6 +27,7 @@
     <OutputPath>bin\Release</OutputPath>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <NativeDependenciesConfiguration>Release</NativeDependenciesConfiguration>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseSigned|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -36,6 +38,7 @@
     <WarningLevel>4</WarningLevel>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>C:\keys\Grpc.snk</AssemblyOriginatorKeyFile>
+    <NativeDependenciesConfiguration>Release</NativeDependenciesConfiguration>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -133,7 +136,7 @@
          ignored, which gives us the desired effect. -->
     <When Condition=" '$(OS)' != 'Unix' ">
       <ItemGroup>
-        <Content Include="..\..\..\vsprojects\Debug\grpc_csharp_ext.dll">
+        <Content Include="..\..\..\vsprojects\$(NativeDependenciesConfiguration)\grpc_csharp_ext.dll">
           <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </Content>
       </ItemGroup>
@@ -142,15 +145,6 @@
   </Choose>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
-  </Target>
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
   <ItemGroup />
   <ItemGroup />
-</Project>
+</Project>
\ No newline at end of file
diff --git a/src/csharp/Grpc.Core/packages.config b/src/csharp/Grpc.Core/packages.config
index 89600744a76..86a48c512e6 100644
--- a/src/csharp/Grpc.Core/packages.config
+++ b/src/csharp/Grpc.Core/packages.config
@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/src/csharp/buildall.bat b/src/csharp/buildall.bat
index d85896c255b..08d4bdb3355 100644
--- a/src/csharp/buildall.bat
+++ b/src/csharp/buildall.bat
@@ -9,7 +9,8 @@ cd /d %~dp0
 @call "%VS120COMNTOOLS%\..\..\vc\vcvarsall.bat" x86
 
 @rem Build the C# native extension
-msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:PlatformToolset=v120 || goto :error
+msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Debug /p:PlatformToolset=v120 || goto :error
+msbuild ..\..\vsprojects\grpc_csharp_ext.sln /p:Configuration=Release /p:PlatformToolset=v120 || goto :error
 
 msbuild Grpc.sln /p:Configuration=Debug || goto :error
 msbuild Grpc.sln /p:Configuration=Release || goto :error
diff --git a/vsprojects/nuget_package/buildall.bat b/vsprojects/nuget_package/buildall.bat
index 65aac3aa685..e6cd0ac421d 100644
--- a/vsprojects/nuget_package/buildall.bat
+++ b/vsprojects/nuget_package/buildall.bat
@@ -1,10 +1,10 @@
 @echo off
 
-REM setlocal
-REM call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
-REM call :build x64 Release v140 || goto :eof
-REM call :build x64 Debug v140 || goto :eof
-REM endlocal
+setlocal
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+call :build x64 Release v140 || goto :eof
+call :build x64 Debug v140 || goto :eof
+endlocal
 
 setlocal
 call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
@@ -12,11 +12,11 @@ call :build Win32 Release v140 || goto :eof
 call :build Win32 Debug v140 || goto :eof
 endlocal
 
-REM setlocal
-REM call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" amd64
-REM call :build x64 Release v120 || goto :eof
-REM call :build x64 Debug v120 || goto :eof
-REM endlocal
+setlocal
+call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" amd64
+call :build x64 Release v120 || goto :eof
+call :build x64 Debug v120 || goto :eof
+endlocal
 
 setlocal
 call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" x86
@@ -24,34 +24,8 @@ call :build Win32 Release v120 || goto :eof
 call :build Win32 Debug v120 || goto :eof
 endlocal
 
-REM setlocal
-REM call "C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\vcvarsall.bat" amd64
-REM call :build x64 Release v110 || goto :eof
-REM call :build x64 Debug v110 || goto :eof
-REM endlocal
-
-REM setlocal
-REM call "C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\vcvarsall.bat" x86
-REM call :build Win32 Release v110 || goto :eof
-REM call :build Win32 Debug v110 || goto :eof
-REM endlocal
-
-REM setlocal
-REM call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" amd64
-REM call :build x64 Release v100 || goto :eof
-REM call :build x64 Debug v100 || goto :eof
-REM endlocal
-
-setlocal
-call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" x86
-call :build Win32 Release v100 || goto :eof
-call :build Win32 Debug v100 || goto :eof
-endlocal
-
 goto :eof
 
 :build
 msbuild /P:Platform=%1 /P:Configuration=%2 /P:PlatformToolset=%3 /P:OutDir=..\..\nuget_package\output\%3\%1\%2\ /P:IntDir=..\..\nuget_package\tmp\%3\%1\%2\ ..\grpc_csharp_ext.sln || goto :eof
 goto :eof
-
-
diff --git a/vsprojects/nuget_package/grpc.native.csharp.nuspec b/vsprojects/nuget_package/grpc.native.csharp.nuspec
index 0f65d1e1a1b..72b9a79d896 100644
--- a/vsprojects/nuget_package/grpc.native.csharp.nuspec
+++ b/vsprojects/nuget_package/grpc.native.csharp.nuspec
@@ -14,22 +14,19 @@
     <title>gRPC C# Native Extension</title>
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
-	<dependencies>
-      <dependency id="grpc.dependencies.zlib.redist" version="1.2.8.10" />
-	  <dependency id="grpc.dependencies.openssl.redist" version="1.0.204.1" />
-    </dependencies>
   </metadata>
   <files>
     <file src="grpc.native.csharp.targets" target="\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" />
-    
-    <!-- VS 2010 -->
-    <file src="output\v100\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v100\Win32\Release\grpc_csharp_ext.dll" />
-    <file src="output\v100\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v100\Win32\Debug\grpc_csharp_ext.dll" />
+
     <!-- VS 2013 -->
     <file src="output\v120\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v120\Win32\Debug\grpc_csharp_ext.dll" />
     <file src="output\v120\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v120\Win32\Release\grpc_csharp_ext.dll" />
+    <file src="output\v120\x64\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v120\x64\Debug\grpc_csharp_ext.dll" />
+    <file src="output\v120\x64\Release\grpc_csharp_ext.dll" target="/build/native/bin/v120\x64\Release\grpc_csharp_ext.dll" />
     <!-- VS 2015 -->
     <file src="output\v140\Win32\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v140\Win32\Debug\grpc_csharp_ext.dll" />
     <file src="output\v140\Win32\Release\grpc_csharp_ext.dll" target="/build/native/bin/v140\Win32\Release\grpc_csharp_ext.dll" />
+    <file src="output\v140\x64\Debug\grpc_csharp_ext.dll" target="/build/native/bin/v140\x64\Debug\grpc_csharp_ext.dll" />
+    <file src="output\v140\x64\Release\grpc_csharp_ext.dll" target="/build/native/bin/v140\x64\Release\grpc_csharp_ext.dll" />
   </files>
 </package>