diff --git a/Build/Newtonsoft.Json.nuspec b/Build/Newtonsoft.Json.nuspec
index 62c3147c..3c43c2a6 100644
--- a/Build/Newtonsoft.Json.nuspec
+++ b/Build/Newtonsoft.Json.nuspec
@@ -11,13 +11,12 @@
     <iconUrl>http://www.newtonsoft.com/content/images/nugeticon.png</iconUrl>
     <licenseUrl>https://raw.github.com/JamesNK/Newtonsoft.Json/master/LICENSE.md</licenseUrl>
     <tags>json</tags>
-    <dependencies>      
-      <group targetFramework="net2" />
-      <group targetFramework="sl5" />
-      <group targetFramework="portable-net40+sl5+wp80+win8+wpa81" />
-      <group targetFramework="dotnet">
+    <dependencies>
+      <group targetFramework=".NETPlatform5.0">
         <dependency id="Microsoft.CSharp" version="4.0.0" />
         <dependency id="System.Collections" version="4.0.0" />
+        <dependency id="System.Collections.Concurrent" version="4.0.0" />
+        <dependency id="System.ComponentModel.TypeConverter" version="4.0.0" />
         <dependency id="System.Diagnostics.Debug" version="4.0.0" />
         <dependency id="System.Diagnostics.Tools" version="4.0.0" />
         <dependency id="System.Dynamic.Runtime" version="4.0.0" />
diff --git a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
index d2541bf8..13cd89d0 100644
--- a/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
+++ b/Src/Newtonsoft.Json/Newtonsoft.Json.Portable.csproj
@@ -13,8 +13,6 @@
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <MinimumVisualStudioVersion>11.0</MinimumVisualStudioVersion>
-    <NuGetPackageImportStamp>
-    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -40,10 +38,6 @@
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>Newtonsoft.Json.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <ItemGroup>
-    <!-- example NuSpec file that must be specified -->
-    <NuSpecFile Include="$(SolutionDir)..\build\Newtonsoft.Json.nuspec" />
-  </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -245,17 +239,7 @@
     <Compile Include="Utilities\ValidationUtils.cs" />
     <Compile Include="WriteState.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.Newtonsoft.Json.Portable.config" />
-  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
-  <Import Project="..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets" Condition="Exists('..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use 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\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NuSpec.ReferenceGenerator.1.0.1\build\portable-net45+win+wpa81+wp80+MonoAndroid10+xamarinios10+MonoTouch10\NuSpec.ReferenceGenerator.targets'))" />
-  </Target>
   <!-- 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">
diff --git a/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config b/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config
deleted file mode 100644
index 76311133..00000000
--- a/Src/Newtonsoft.Json/packages.Newtonsoft.Json.Portable.config
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="NuSpec.ReferenceGenerator" version="1.0.1" targetFramework="portable45-net45+win8+wp8+wpa81" />
-</packages>
\ No newline at end of file