diff --git a/src/System.Net.Http.Json/pkg/System.Net.Http.Json.pkgproj b/src/System.Net.Http.Json/pkg/System.Net.Http.Json.pkgproj
index eba4cc39e9f9..97f03b8c871d 100644
--- a/src/System.Net.Http.Json/pkg/System.Net.Http.Json.pkgproj
+++ b/src/System.Net.Http.Json/pkg/System.Net.Http.Json.pkgproj
@@ -1,10 +1,13 @@
 <Project DefaultTargets="Build">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
   <ItemGroup>
-    <ProjectReference Include="..\ref\System.Net.Http.Json.csproj">
-      <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
+    <ProjectReference Include="..\ref\System.Net.Http.Json.csproj" />
+    <ProjectReference Include="..\src\System.Net.Http.Json.csproj">
+        <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
-    <ProjectReference Include="..\src\System.Net.Http.Json.csproj" />
   </ItemGroup>
+  <PropertyGroup>
+    <ExcludeReferenceAssets>true</ExcludeReferenceAssets>
+  </PropertyGroup>
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
 </Project>
\ No newline at end of file
diff --git a/src/System.Net.Http.Json/ref/Configurations.props b/src/System.Net.Http.Json/ref/Configurations.props
index b6252750f8e5..ef5de512f02d 100644
--- a/src/System.Net.Http.Json/ref/Configurations.props
+++ b/src/System.Net.Http.Json/ref/Configurations.props
@@ -1,7 +1,12 @@
 <Project DefaultTargets="Build">
   <PropertyGroup>
-    <BuildConfigurations>
+    <PackageConfigurations>
       netstandard;
+      net461;
+    </PackageConfigurations>
+    <BuildConfigurations>
+      $(PackageConfigurations);
+      netfx;
     </BuildConfigurations>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/src/System.Net.Http.Json/ref/System.Net.Http.Json.csproj b/src/System.Net.Http.Json/ref/System.Net.Http.Json.csproj
index 7ccd4a399a31..f8341250e24a 100644
--- a/src/System.Net.Http.Json/ref/System.Net.Http.Json.csproj
+++ b/src/System.Net.Http.Json/ref/System.Net.Http.Json.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Configurations>netstandard-Debug;netstandard-Release</Configurations>
+    <Configurations>netstandard-Debug;netstandard-Release;net461-Debug;net461-Release;netfx-Debug;netfx-Release</Configurations>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
@@ -9,4 +9,9 @@
   <ItemGroup>
     <ProjectReference Include="..\..\System.Text.Json\ref\System.Text.Json.csproj" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetsNetFx)' == 'true'">
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Net.Http" />
+  </ItemGroup>
 </Project>
diff --git a/src/System.Net.Http.Json/src/Configurations.props b/src/System.Net.Http.Json/src/Configurations.props
index 665a8d43a6cc..f0e0b6fdcddd 100644
--- a/src/System.Net.Http.Json/src/Configurations.props
+++ b/src/System.Net.Http.Json/src/Configurations.props
@@ -1,7 +1,12 @@
 <Project>
   <PropertyGroup>
-    <BuildConfigurations>
+    <PackageConfigurations>
       netstandard;
+      net461;
+    </PackageConfigurations>
+    <BuildConfigurations>
+      $(PackageConfigurations);
+      netfx;
     </BuildConfigurations>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/src/System.Net.Http.Json/src/System.Net.Http.Json.csproj b/src/System.Net.Http.Json/src/System.Net.Http.Json.csproj
index 5844621dc1d8..1dade88d329f 100644
--- a/src/System.Net.Http.Json/src/System.Net.Http.Json.csproj
+++ b/src/System.Net.Http.Json/src/System.Net.Http.Json.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <Configurations>netstandard-Debug;netstandard-Release</Configurations>
+    <Configurations>netstandard-Debug;netstandard-Release;net461-Debug;net461-Release;netfx-Debug;netfx-Release</Configurations>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
@@ -19,4 +19,9 @@
     <Reference Include="System.Text.Json" />
     <Reference Include="System.Threading.Tasks.Extensions" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetsNetFx)' == 'true'">
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Net.Http" />
+  </ItemGroup>
 </Project>