diff --git a/samples/CookieSample/CookieSample.csproj b/samples/CookieSample/CookieSample.csproj
index 623896b736..7a3ab47926 100644
--- a/samples/CookieSample/CookieSample.csproj
+++ b/samples/CookieSample/CookieSample.csproj
@@ -20,14 +20,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.DataProtection" Version="1.2.0-*" />
diff --git a/samples/CookieSessionSample/CookieSessionSample.csproj b/samples/CookieSessionSample/CookieSessionSample.csproj
index fb189cef4f..4a77be1272 100644
--- a/samples/CookieSessionSample/CookieSessionSample.csproj
+++ b/samples/CookieSessionSample/CookieSessionSample.csproj
@@ -20,14 +20,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.DataProtection" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="1.2.0-*" />
diff --git a/samples/JwtBearerSample/JwtBearerSample.csproj b/samples/JwtBearerSample/JwtBearerSample.csproj
index 2d94cdbdf8..273cfaf891 100644
--- a/samples/JwtBearerSample/JwtBearerSample.csproj
+++ b/samples/JwtBearerSample/JwtBearerSample.csproj
@@ -22,14 +22,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="1.2.0-*" />
diff --git a/samples/OpenIdConnect.AzureAdSample/OpenIdConnect.AzureAdSample.csproj b/samples/OpenIdConnect.AzureAdSample/OpenIdConnect.AzureAdSample.csproj
index 7331e7f051..ef7bcae736 100644
--- a/samples/OpenIdConnect.AzureAdSample/OpenIdConnect.AzureAdSample.csproj
+++ b/samples/OpenIdConnect.AzureAdSample/OpenIdConnect.AzureAdSample.csproj
@@ -22,14 +22,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="1.2.0-*" />
diff --git a/samples/OpenIdConnectSample/OpenIdConnectSample.csproj b/samples/OpenIdConnectSample/OpenIdConnectSample.csproj
index dfb0231079..78d799be14 100644
--- a/samples/OpenIdConnectSample/OpenIdConnectSample.csproj
+++ b/samples/OpenIdConnectSample/OpenIdConnectSample.csproj
@@ -21,14 +21,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="1.2.0-*" />
diff --git a/samples/SocialSample/SocialSample.csproj b/samples/SocialSample/SocialSample.csproj
index 71900b9b5d..1af3fe1c2b 100644
--- a/samples/SocialSample/SocialSample.csproj
+++ b/samples/SocialSample/SocialSample.csproj
@@ -27,14 +27,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.DataProtection" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="1.2.0-*" />
diff --git a/src/Microsoft.AspNetCore.Authentication.Cookies/Microsoft.AspNetCore.Authentication.Cookies.csproj b/src/Microsoft.AspNetCore.Authentication.Cookies/Microsoft.AspNetCore.Authentication.Cookies.csproj
index 955afcb397..bdbcff2764 100644
--- a/src/Microsoft.AspNetCore.Authentication.Cookies/Microsoft.AspNetCore.Authentication.Cookies.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.Cookies/Microsoft.AspNetCore.Authentication.Cookies.csproj
@@ -21,17 +21,9 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Options" Version="1.2.0-*" />
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
diff --git a/src/Microsoft.AspNetCore.Authentication.Facebook/Microsoft.AspNetCore.Authentication.Facebook.csproj b/src/Microsoft.AspNetCore.Authentication.Facebook/Microsoft.AspNetCore.Authentication.Facebook.csproj
index a99538405c..999bb8bd88 100644
--- a/src/Microsoft.AspNetCore.Authentication.Facebook/Microsoft.AspNetCore.Authentication.Facebook.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.Facebook/Microsoft.AspNetCore.Authentication.Facebook.csproj
@@ -22,14 +22,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
diff --git a/src/Microsoft.AspNetCore.Authentication.Google/Microsoft.AspNetCore.Authentication.Google.csproj b/src/Microsoft.AspNetCore.Authentication.Google/Microsoft.AspNetCore.Authentication.Google.csproj
index cce86fac68..e66ceff787 100644
--- a/src/Microsoft.AspNetCore.Authentication.Google/Microsoft.AspNetCore.Authentication.Google.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.Google/Microsoft.AspNetCore.Authentication.Google.csproj
@@ -22,14 +22,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
diff --git a/src/Microsoft.AspNetCore.Authentication.JwtBearer/Microsoft.AspNetCore.Authentication.JwtBearer.csproj b/src/Microsoft.AspNetCore.Authentication.JwtBearer/Microsoft.AspNetCore.Authentication.JwtBearer.csproj
index 41d886031e..e95df79ce3 100644
--- a/src/Microsoft.AspNetCore.Authentication.JwtBearer/Microsoft.AspNetCore.Authentication.JwtBearer.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.JwtBearer/Microsoft.AspNetCore.Authentication.JwtBearer.csproj
@@ -19,16 +19,8 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
diff --git a/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/Microsoft.AspNetCore.Authentication.MicrosoftAccount.csproj b/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/Microsoft.AspNetCore.Authentication.MicrosoftAccount.csproj
index 341096369b..0af3a9d0d6 100644
--- a/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/Microsoft.AspNetCore.Authentication.MicrosoftAccount.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.MicrosoftAccount/Microsoft.AspNetCore.Authentication.MicrosoftAccount.csproj
@@ -22,14 +22,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
diff --git a/src/Microsoft.AspNetCore.Authentication.OAuth/Microsoft.AspNetCore.Authentication.OAuth.csproj b/src/Microsoft.AspNetCore.Authentication.OAuth/Microsoft.AspNetCore.Authentication.OAuth.csproj
index 1199750e87..1bb635bfc3 100644
--- a/src/Microsoft.AspNetCore.Authentication.OAuth/Microsoft.AspNetCore.Authentication.OAuth.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.OAuth/Microsoft.AspNetCore.Authentication.OAuth.csproj
@@ -19,16 +19,8 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
diff --git a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/Microsoft.AspNetCore.Authentication.OpenIdConnect.csproj b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/Microsoft.AspNetCore.Authentication.OpenIdConnect.csproj
index 407dc44ae4..a90a4846cc 100644
--- a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/Microsoft.AspNetCore.Authentication.OpenIdConnect.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/Microsoft.AspNetCore.Authentication.OpenIdConnect.csproj
@@ -19,16 +19,8 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
diff --git a/src/Microsoft.AspNetCore.Authentication.Twitter/Microsoft.AspNetCore.Authentication.Twitter.csproj b/src/Microsoft.AspNetCore.Authentication.Twitter/Microsoft.AspNetCore.Authentication.Twitter.csproj
index a81a883803..b7222fd9c6 100644
--- a/src/Microsoft.AspNetCore.Authentication.Twitter/Microsoft.AspNetCore.Authentication.Twitter.csproj
+++ b/src/Microsoft.AspNetCore.Authentication.Twitter/Microsoft.AspNetCore.Authentication.Twitter.csproj
@@ -19,16 +19,8 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.Authentication\Microsoft.AspNetCore.Authentication.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
diff --git a/src/Microsoft.AspNetCore.Authentication/Microsoft.AspNetCore.Authentication.csproj b/src/Microsoft.AspNetCore.Authentication/Microsoft.AspNetCore.Authentication.csproj
index ed11f94ad6..edc85f76ed 100644
--- a/src/Microsoft.AspNetCore.Authentication/Microsoft.AspNetCore.Authentication.csproj
+++ b/src/Microsoft.AspNetCore.Authentication/Microsoft.AspNetCore.Authentication.csproj
@@ -22,7 +22,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="1.2.0-*" />
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.SecurityHelper.Sources"  Version="1.2.0-*" PrivateAssets="All" />
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
@@ -31,10 +31,4 @@
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
 </Project>
diff --git a/src/Microsoft.AspNetCore.Authorization/Microsoft.AspNetCore.Authorization.csproj b/src/Microsoft.AspNetCore.Authorization/Microsoft.AspNetCore.Authorization.csproj
index 75a9511f39..fdc54f10bd 100644
--- a/src/Microsoft.AspNetCore.Authorization/Microsoft.AspNetCore.Authorization.csproj
+++ b/src/Microsoft.AspNetCore.Authorization/Microsoft.AspNetCore.Authorization.csproj
@@ -21,19 +21,13 @@ Microsoft.AspNetCore.Authorization.AuthorizeAttribute</Description>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="1.2.0-*" />
-    <!-- 
+    <!--
       TODO remove files in __TemporarySources__ and use this content files package
       <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All" />
      -->
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Runtime" />
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Security.Claims" Version="4.4.0-*" />
   </ItemGroup>
diff --git a/src/Microsoft.AspNetCore.CookiePolicy/Microsoft.AspNetCore.CookiePolicy.csproj b/src/Microsoft.AspNetCore.CookiePolicy/Microsoft.AspNetCore.CookiePolicy.csproj
index af3b620b47..0d0e37c80f 100644
--- a/src/Microsoft.AspNetCore.CookiePolicy/Microsoft.AspNetCore.CookiePolicy.csproj
+++ b/src/Microsoft.AspNetCore.CookiePolicy/Microsoft.AspNetCore.CookiePolicy.csproj
@@ -21,9 +21,4 @@
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
 </Project>
diff --git a/src/Microsoft.Owin.Security.Interop/Microsoft.Owin.Security.Interop.csproj b/src/Microsoft.Owin.Security.Interop/Microsoft.Owin.Security.Interop.csproj
index eae395d84f..7ec8078c58 100644
--- a/src/Microsoft.Owin.Security.Interop/Microsoft.Owin.Security.Interop.csproj
+++ b/src/Microsoft.Owin.Security.Interop/Microsoft.Owin.Security.Interop.csproj
@@ -21,9 +21,4 @@
     <PackageReference Include="NETStandard.Library" Version="1.6.2-*" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
 </Project>
diff --git a/test/Microsoft.AspNetCore.Authentication.Test/Microsoft.AspNetCore.Authentication.Test.csproj b/test/Microsoft.AspNetCore.Authentication.Test/Microsoft.AspNetCore.Authentication.Test.csproj
index 0eb8b1269b..23cc33121c 100644
--- a/test/Microsoft.AspNetCore.Authentication.Test/Microsoft.AspNetCore.Authentication.Test.csproj
+++ b/test/Microsoft.AspNetCore.Authentication.Test/Microsoft.AspNetCore.Authentication.Test.csproj
@@ -27,14 +27,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161123-03" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta4-build1194" />
diff --git a/test/Microsoft.AspNetCore.Authorization.Test/Microsoft.AspNetCore.Authorization.Test.csproj b/test/Microsoft.AspNetCore.Authorization.Test/Microsoft.AspNetCore.Authorization.Test.csproj
index f4d6f8c669..2d8f9652b5 100644
--- a/test/Microsoft.AspNetCore.Authorization.Test/Microsoft.AspNetCore.Authorization.Test.csproj
+++ b/test/Microsoft.AspNetCore.Authorization.Test/Microsoft.AspNetCore.Authorization.Test.csproj
@@ -15,13 +15,6 @@
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Authorization\Microsoft.AspNetCore.Authorization.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Runtime">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161123-03" />
diff --git a/test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test.csproj b/test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test.csproj
index 21ded78c89..cf2a629d4c 100644
--- a/test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test.csproj
+++ b/test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test/Microsoft.AspNetCore.ChunkingCookieManager.Sources.Test.csproj
@@ -23,9 +23,4 @@
     <PackageReference Include="Microsoft.NETCore.App" Version="1.2.0-*" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
 </Project>
diff --git a/test/Microsoft.AspNetCore.CookiePolicy.Test/Microsoft.AspNetCore.CookiePolicy.Test.csproj b/test/Microsoft.AspNetCore.CookiePolicy.Test/Microsoft.AspNetCore.CookiePolicy.Test.csproj
index c048cdd251..ac83191062 100644
--- a/test/Microsoft.AspNetCore.CookiePolicy.Test/Microsoft.AspNetCore.CookiePolicy.Test.csproj
+++ b/test/Microsoft.AspNetCore.CookiePolicy.Test/Microsoft.AspNetCore.CookiePolicy.Test.csproj
@@ -19,14 +19,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161123-03" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta4-build1194" />
diff --git a/test/Microsoft.Owin.Security.Interop.Test/Microsoft.Owin.Security.Interop.Test.csproj b/test/Microsoft.Owin.Security.Interop.Test/Microsoft.Owin.Security.Interop.Test.csproj
index 23815e0cca..344294e72b 100644
--- a/test/Microsoft.Owin.Security.Interop.Test/Microsoft.Owin.Security.Interop.Test.csproj
+++ b/test/Microsoft.Owin.Security.Interop.Test/Microsoft.Owin.Security.Interop.Test.csproj
@@ -19,14 +19,6 @@
     </ProjectReference>
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
-    <Reference Include="System.Net.Http">
-      <FromP2P>true</FromP2P>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="Microsoft.CSharp" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161123-03" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta4-build1194" />