diff --git a/Build/Newtonsoft.Json.nuspec b/Build/Newtonsoft.Json.nuspec
index 14cfbb1f..4f8bf606 100644
--- a/Build/Newtonsoft.Json.nuspec
+++ b/Build/Newtonsoft.Json.nuspec
@@ -19,56 +19,18 @@
             <group targetFramework=".NETPortable4.5-Profile259" />
             <group targetFramework=".NETStandard1.3">
                 <dependency id="Microsoft.CSharp" version="4.3.0" />
-                <dependency id="System.Collections" version="4.3.0" />
+                <dependency id="NETStandard.Library" version="1.6.1" />
                 <dependency id="System.ComponentModel.TypeConverter" version="4.3.0" />
-                <dependency id="System.Diagnostics.Debug" version="4.3.0" />
-                <dependency id="System.Dynamic.Runtime" version="4.3.0" />
-                <dependency id="System.Globalization" version="4.3.0" />
-                <dependency id="System.IO" version="4.3.0" />
-                <dependency id="System.Linq" version="4.3.0" />
-                <dependency id="System.Linq.Expressions" version="4.3.0" />
-                <dependency id="System.ObjectModel" version="4.3.0" />
-                <dependency id="System.Reflection" version="4.3.0" />
-                <dependency id="System.Reflection.Extensions" version="4.3.0" />
-                <dependency id="System.Resources.ResourceManager" version="4.3.0" />
-                <dependency id="System.Runtime" version="4.3.0" />
-                <dependency id="System.Runtime.Extensions" version="4.3.0" />
                 <dependency id="System.Runtime.Numerics" version="4.3.0" />
                 <dependency id="System.Runtime.Serialization.Formatters" version="4.3.0" />
                 <dependency id="System.Runtime.Serialization.Primitives" version="4.3.0" />
-                <dependency id="System.Text.Encoding" version="4.3.0" />
-                <dependency id="System.Text.Encoding.Extensions" version="4.3.0" />
-                <dependency id="System.Text.RegularExpressions" version="4.3.0" />
-                <dependency id="System.Threading" version="4.3.0" />
-                <dependency id="System.Threading.Tasks" version="4.3.0" />
-                <dependency id="System.Xml.ReaderWriter" version="4.3.0" />
-                <dependency id="System.Xml.XDocument" version="4.3.0" />
                 <dependency id="System.Xml.XmlDocument" version="4.3.0" />
             </group>
             <group targetFramework=".NETStandard1.0">
                 <dependency id="Microsoft.CSharp" version="4.3.0" />
-                <dependency id="System.Collections" version="4.3.0" />
+                <dependency id="NETStandard.Library" version="1.6.1" />
                 <dependency id="System.ComponentModel.TypeConverter" version="4.3.0" />
-                <dependency id="System.Diagnostics.Debug" version="4.3.0" />
-                <dependency id="System.Dynamic.Runtime" version="4.3.0" />
-                <dependency id="System.Globalization" version="4.3.0" />
-                <dependency id="System.IO" version="4.3.0" />
-                <dependency id="System.Linq" version="4.3.0" />
-                <dependency id="System.Linq.Expressions" version="4.3.0" />
-                <dependency id="System.ObjectModel" version="4.3.0" />
-                <dependency id="System.Reflection" version="4.3.0" />
-                <dependency id="System.Reflection.Extensions" version="4.3.0" />
-                <dependency id="System.Resources.ResourceManager" version="4.3.0" />
-                <dependency id="System.Runtime" version="4.3.0" />
-                <dependency id="System.Runtime.Extensions" version="4.3.0" />
                 <dependency id="System.Runtime.Serialization.Primitives" version="4.3.0" />
-                <dependency id="System.Text.Encoding" version="4.3.0" />
-                <dependency id="System.Text.Encoding.Extensions" version="4.3.0" />
-                <dependency id="System.Text.RegularExpressions" version="4.3.0" />
-                <dependency id="System.Threading" version="4.3.0" />
-                <dependency id="System.Threading.Tasks" version="4.3.0" />
-                <dependency id="System.Xml.ReaderWriter" version="4.3.0" />
-                <dependency id="System.Xml.XDocument" version="4.3.0" />
             </group>
         </dependencies>
     </metadata>
diff --git a/Src/Newtonsoft.Json/Newtonsoft.Json.Roslyn.csproj b/Src/Newtonsoft.Json/Newtonsoft.Json.Roslyn.csproj
index cd2c5963..ea3ba861 100644
--- a/Src/Newtonsoft.Json/Newtonsoft.Json.Roslyn.csproj
+++ b/Src/Newtonsoft.Json/Newtonsoft.Json.Roslyn.csproj
@@ -21,6 +21,7 @@
     <AssemblyName>Newtonsoft.Json</AssemblyName>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <NetStandardImplicitPackageVersion>1.6.1</NetStandardImplicitPackageVersion>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)'=='net45'">
     <AssemblyTitle>Json.NET</AssemblyTitle>
@@ -40,32 +41,11 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.0' OR '$(TargetFramework)' == 'netstandard1.3'">
     <PackageReference Include="Microsoft.CSharp" Version="4.3.0" />
-    <PackageReference Include="System.Collections" Version="4.3.0" />
     <PackageReference Include="System.ComponentModel.TypeConverter" Version="4.3.0" />
-    <PackageReference Include="System.Diagnostics.Debug" Version="4.3.0" />
-    <PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />
-    <PackageReference Include="System.Globalization" Version="4.3.0" />
-    <PackageReference Include="System.IO" Version="4.3.0" />
-    <PackageReference Include="System.Linq" Version="4.3.0" />
-    <PackageReference Include="System.Linq.Expressions" Version="4.3.0" />
-    <PackageReference Include="System.ObjectModel" Version="4.3.0" />
-    <PackageReference Include="System.Reflection" Version="4.3.0" />
-    <PackageReference Include="System.Reflection.Extensions" Version="4.3.0" />
-    <PackageReference Include="System.Resources.ResourceManager" Version="4.3.0" />
-    <PackageReference Include="System.Runtime" Version="4.3.0" />
-    <PackageReference Include="System.Runtime.Extensions" Version="4.3.0" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.3.0" />
-    <PackageReference Include="System.Text.Encoding" Version="4.3.0" />
-    <PackageReference Include="System.Text.Encoding.Extensions" Version="4.3.0" />
-    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.0" />
-    <PackageReference Include="System.Threading" Version="4.3.0" />
-    <PackageReference Include="System.Threading.Tasks" Version="4.3.0" />
-    <PackageReference Include="System.Xml.ReaderWriter" Version="4.3.0" />
-    <PackageReference Include="System.Xml.XDocument" Version="4.3.0" />
   </ItemGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.0'">
     <AssemblyTitle>Json.NET .NET Standard 1.0</AssemblyTitle>
-    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
     <DefineConstants>NETSTANDARD1_0;PORTABLE;HAVE_ASYNC;HAVE_COVARIANT_GENERICS;HAVE_DATA_CONTRACTS;HAVE_DATE_TIME_OFFSET;HAVE_DYNAMIC;HAVE_EXPRESSIONS;HAVE_FSHARP_TYPES;HAVE_GUID_TRY_PARSE;HAVE_HASH_SET;HAVE_IGNORE_DATA_MEMBER_ATTRIBUTE;HAVE_IMMUTABLE_COLLECTIONS;HAVE_INOTIFY_COLLECTION_CHANGED;HAVE_ISET;HAVE_LINQ;HAVE_METHOD_IMPL_ATTRIBUTE;HAVE_READ_ONLY_COLLECTIONS;HAVE_REFLECTION_BINDER;HAVE_SERIALIZATION_BINDER_BIND_TO_NAME;HAVE_STRING_JOIN_WITH_ENUMERABLE;HAVE_TIME_SPAN_PARSE_WITH_CULTURE;HAVE_TIME_SPAN_TO_STRING_WITH_CULTURE;HAVE_TIME_ZONE_INFO;HAVE_TYPE_DESCRIPTOR;HAVE_UNICODE_SURROGATE_DETECTION;HAVE_VARIANT_TYPE_PARAMETERS;HAVE_VERSION_TRY_PARSE;HAVE_XLINQ;HAVE_OBSOLETE_FORMATTER_ASSEMBLY_STYLE;$(AdditionalConstants)</DefineConstants>
   </PropertyGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
@@ -75,7 +55,6 @@
   </ItemGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
     <AssemblyTitle>Json.NET .NET Standard 1.3</AssemblyTitle>
-    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
     <DefineConstants>NETSTANDARD1_3;PORTABLE;HAVE_ASYNC;HAVE_BIG_INTEGER;HAVE_BINARY_SERIALIZATION;HAVE_COVARIANT_GENERICS;HAVE_DATA_CONTRACTS;HAVE_DATE_TIME_OFFSET;HAVE_DYNAMIC;HAVE_EXPRESSIONS;HAVE_FSHARP_TYPES;HAVE_GUID_TRY_PARSE;HAVE_HASH_SET;HAVE_IGNORE_DATA_MEMBER_ATTRIBUTE;HAVE_IMMUTABLE_COLLECTIONS;HAVE_INOTIFY_COLLECTION_CHANGED;HAVE_ISET;HAVE_LINQ;HAVE_METHOD_IMPL_ATTRIBUTE;HAVE_NON_SERIALIZED_ATTRIBUTE;HAVE_READ_ONLY_COLLECTIONS;HAVE_REFLECTION_BINDER;HAVE_SERIALIZATION_BINDER_BIND_TO_NAME;HAVE_STRING_JOIN_WITH_ENUMERABLE;HAVE_TIME_SPAN_PARSE_WITH_CULTURE;HAVE_TIME_SPAN_TO_STRING_WITH_CULTURE;HAVE_TIME_ZONE_INFO;HAVE_TYPE_DESCRIPTOR;HAVE_UNICODE_SURROGATE_DETECTION;HAVE_VARIANT_TYPE_PARAMETERS;HAVE_VERSION_TRY_PARSE;HAVE_XLINQ;HAVE_OBSOLETE_FORMATTER_ASSEMBLY_STYLE;HAVE_XML_DOCUMENT;$(AdditionalConstants)</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'portable-net45+win8+wpa81+wp8'">