diff --git a/src/Framework/Directory.Build.props b/src/Framework/Directory.Build.props
index 97b1b157ff..af42f01e22 100644
--- a/src/Framework/Directory.Build.props
+++ b/src/Framework/Directory.Build.props
@@ -7,6 +7,10 @@
     <PlatformManifestFileName>PlatformManifest.txt</PlatformManifestFileName>
     <PlatformManifestOutputPath>$(ArtifactsObjDir)$(PlatformManifestFileName)</PlatformManifestOutputPath>
     <DisablePubternalApiCheck>true</DisablePubternalApiCheck>
+
+    <!-- Platform manifest and package override metatdata -->
+    <ReferencePackSharedFxVersion>$(AspNetCoreMajorVersion).$(AspNetCoreMinorVersion).0</ReferencePackSharedFxVersion>
+    <ReferencePackSharedFxVersion Condition="'$(VersionSuffix)' != ''">$(ReferencePackSharedFxVersion)-$(VersionSuffix)</ReferencePackSharedFxVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj b/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
index 4f60448f35..dda116fdf6 100644
--- a/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
+++ b/src/Framework/ref/Microsoft.AspNetCore.App.Ref.csproj
@@ -50,10 +50,6 @@ This package is an internal implementation of the .NET Core SDK and is not meant
     <FrameworkListFileName>FrameworkList.xml</FrameworkListFileName>
     <FrameworkListOutputPath>$(ArtifactsObjDir)$(FrameworkListFileName)</FrameworkListOutputPath>
 
-    <!-- Platform manifest and package override metatdata -->
-    <ReferencePackSharedFxVersion>$(AspNetCoreMajorVersion).$(AspNetCoreMinorVersion).0</ReferencePackSharedFxVersion>
-    <ReferencePackSharedFxVersion Condition="'$(VersionSuffix)' != ''">$(ReferencePackSharedFxVersion)-$(VersionSuffix)</ReferencePackSharedFxVersion>
-
     <!-- Runtime extensions transport paths -->
     <RuntimeExtensionsReferenceDirectory>$(PkgMicrosoft_Extensions_Internal_Transport)\ref\$(TargetFramework)\</RuntimeExtensionsReferenceDirectory>
 
@@ -120,12 +116,6 @@ This package is an internal implementation of the .NET Core SDK and is not meant
       <Output TaskParameter="JoinResult" ItemName="_ReferencedExtensionsRefAssemblies" />
     </JoinItems>
 
-    <!-- _DuplicatedExtensionsRefAssemblies represents ref assemblies that are present in Microsoft.Extensions.Internal.Transport package and also are built in this repo. -->
-    <!-- This should be temporary while we migrate sources since there should be no duplication when sources are deleted from extensions. -->
-    <JoinItems Left="@(_ReferencedExtensionsRefAssemblies)" Right="@(_ResolvedProjectReferencePaths)" LeftKey="Filename" RightKey="Filename" ItemSpecToUse="Left">
-      <Output TaskParameter="JoinResult" ItemName="_DuplicatedExtensionsRefAssemblies" />
-    </JoinItems>
-
     <JoinItems Left="@(_ReferencedExtensionsRefAssemblies)" Right="@(ExternalAspNetCoreAppReference)" LeftKey="Filename" RightKey="Identity" ItemSpecToUse="Left">
       <Output TaskParameter="JoinResult" ItemName="_SelectedExtensionsRefs" />
     </JoinItems>
@@ -135,15 +125,12 @@ This package is an internal implementation of the .NET Core SDK and is not meant
     </JoinItems>
 
     <ItemGroup>
-      <!-- Do not exclude the ref assemblies that we built in this repo if it's also included in Microsoft.Extensions.Internal.Transport -->
-      <_ReferencedExtensionsRefAssembliesToExclude Include="@(_ReferencedExtensionsRefAssemblies)" Exclude="@(_DuplicatedExtensionsRefAssemblies)" />
-
       <!-- Exclude transitive external dependencies that are not directly referenced by projects in AspNetCore or Extensions -->
       <AspNetCoreReferenceAssemblyPath
           Include="@(ReferencePathWithRefAssemblies)"
           Condition="'%(ReferencePathWithRefAssemblies.IsReferenceAssembly)' != 'false'"
           Exclude="
-            @(_ReferencedExtensionsRefAssembliesToExclude);
+            @(_ReferencedExtensionsRefAssemblies);
             @(ReferencePathWithRefAssemblies->WithMetadataValue('NuGetPackageId', 'Microsoft.NETCore.App.Ref'));
             @(ReferencePathWithRefAssemblies->WithMetadataValue('NuGetPackageId', 'System.Security.Cryptography.Pkcs'));
             @(ReferencePathWithRefAssemblies->WithMetadataValue('NuGetPackageId', 'System.Drawing.Common'));
@@ -172,7 +159,7 @@ This package is an internal implementation of the .NET Core SDK and is not meant
       <_AspNetCoreAppPackageOverrides Include="@(AspNetCoreReferenceAssemblyPath->'%(NuGetPackageId)|%(NuGetPackageVersion)')" Condition="!Exists('$(RuntimeExtensionsReferenceDirectory)%(AspNetCoreReferenceAssemblyPath.NuGetPackageId).dll') AND '%(AspNetCoreReferenceAssemblyPath.NuGetPackageId)' != 'Microsoft.NETCore.App' AND '%(AspNetCoreReferenceAssemblyPath.NuGetPackageId)' != 'Microsoft.Extensions.Internal.Transport' AND '%(AspNetCoreReferenceAssemblyPath.NuGetSourceType)' == 'Package' " />
 
       <!-- Pin version for extensions references -->
-      <_AspNetCoreAppPackageOverrides Include="@(_SelectedExtensionsRefAssemblies->'%(FileName)|$(MicrosoftInternalExtensionsRefsPackageOverrideVersion)')" />
+      <_AspNetCoreAppPackageOverrides Include="@(_SelectedExtensionsRefAssemblies->'%(FileName)|$(MicrosoftExtensionsInternalTransportPackageVersion)')" />
 
       <_AspNetCoreAppPackageOverrides Include="@(AspNetCoreReferenceAssemblyPath->'%(FileName)|$(ReferencePackSharedFxVersion)')" Condition=" '%(AspNetCoreReferenceAssemblyPath.ReferenceSourceTarget)' == 'ProjectReference' AND '%(AspNetCoreReferenceAssemblyPath.IsReferenceAssembly)' == 'true' " />
     </ItemGroup>
diff --git a/src/Framework/test/Microsoft.AspNetCore.App.UnitTests.csproj b/src/Framework/test/Microsoft.AspNetCore.App.UnitTests.csproj
index 03b96c27fe..7f0f8de197 100644
--- a/src/Framework/test/Microsoft.AspNetCore.App.UnitTests.csproj
+++ b/src/Framework/test/Microsoft.AspNetCore.App.UnitTests.csproj
@@ -90,6 +90,28 @@
         <_Parameter2>@(_TargetingPackDependencies)</_Parameter2>
       </AssemblyAttribute>
 
+      <AspNetCoreTargetingPackDependencies
+        Include="@(_TargetingPackDependencies)"
+        Condition="'%(_TargetingPackDependencies.ReferenceSourceTarget)' == 'ProjectReference'" />
+      <RuntimeTargetingPackDependencies
+        Include="@(_TargetingPackDependencies)"
+        Exclude="@(AspNetCoreTargetingPackDependencies)" />
+
+      <AssemblyAttribute Include="Microsoft.AspNetCore.TestData">
+        <_Parameter1>AspNetCoreTargetingPackDependencies</_Parameter1>
+        <_Parameter2>@(AspNetCoreTargetingPackDependencies->'%(FileName)')</_Parameter2>
+      </AssemblyAttribute>
+
+      <AssemblyAttribute Include="Microsoft.AspNetCore.TestData">
+        <_Parameter1>RuntimeTargetingPackDependencies</_Parameter1>
+        <_Parameter2>@(RuntimeTargetingPackDependencies->'%(FileName)')</_Parameter2>
+      </AssemblyAttribute>
+
+      <AssemblyAttribute Include="Microsoft.AspNetCore.TestData">
+        <_Parameter1>ReferencePackSharedFxVersion</_Parameter1>
+        <_Parameter2>$(ReferencePackSharedFxVersion)</_Parameter2>
+      </AssemblyAttribute>
+
       <AssemblyAttribute Include="Microsoft.AspNetCore.TestData">
         <_Parameter1>RepositoryCommit</_Parameter1>
         <_Parameter2>$(SourceRevisionId)</_Parameter2>
diff --git a/src/Framework/test/TargetingPackTests.cs b/src/Framework/test/TargetingPackTests.cs
index e296884e45..cea9ca9c67 100644
--- a/src/Framework/test/TargetingPackTests.cs
+++ b/src/Framework/test/TargetingPackTests.cs
@@ -32,6 +32,50 @@ namespace Microsoft.AspNetCore
             _isTargetingPackBuilding = bool.Parse(TestData.GetTestDataValue("IsTargetingPackBuilding"));
         }
 
+        [Fact]
+        public void PackageOverridesContainsCorrectEntries()
+        {
+            if (!_isTargetingPackBuilding)
+            {
+                return;
+            }
+
+            var packageOverridePath = Path.Combine(_targetingPackRoot, "data", "PackageOverrides.txt");
+
+            AssertEx.FileExists(packageOverridePath);
+
+            var packageOverrideFileLines = File.ReadAllLines(packageOverridePath);
+            var runtimeDependencies = TestData.GetRuntimeTargetingPackDependencies()
+                .Split(';', StringSplitOptions.RemoveEmptyEntries)
+                .ToHashSet();
+            var aspnetcoreDependencies = TestData.GetAspNetCoreTargetingPackDependencies()
+                .Split(';', StringSplitOptions.RemoveEmptyEntries)
+                .ToHashSet();
+
+            Assert.Equal(packageOverrideFileLines.Length, runtimeDependencies.Count + aspnetcoreDependencies.Count);
+
+            foreach (var entry in packageOverrideFileLines)
+            {
+                var packageOverrideParts = entry.Split("|");
+                var packageName = packageOverrideParts[0];
+                var packageVersion = packageOverrideParts[1];
+
+                if (runtimeDependencies.Contains(packageName))
+                {
+                    Assert.Equal(TestData.GetMicrosoftNETCoreAppPackageVersion(), packageVersion);
+                }
+                else if (aspnetcoreDependencies.Contains(packageName))
+                {
+                    Assert.Equal(TestData.GetReferencePackSharedFxVersion(), packageVersion);
+                }
+                else
+                {
+                    Assert.True(false, $"{packageName} is not a recognized aspNetCore or runtime dependency");
+                }
+            }
+        }
+
+
         [Fact]
         public void AssembliesAreReferenceAssemblies()
         {
diff --git a/src/Framework/test/TestData.cs b/src/Framework/test/TestData.cs
index f087d9e16e..c4ca50360f 100644
--- a/src/Framework/test/TestData.cs
+++ b/src/Framework/test/TestData.cs
@@ -13,6 +13,8 @@ namespace Microsoft.AspNetCore
 
         public static string GetMicrosoftNETCoreAppPackageVersion() => GetTestDataValue("MicrosoftNETCoreAppRuntimeVersion");
 
+        public static string GetReferencePackSharedFxVersion() => GetTestDataValue("ReferencePackSharedFxVersion");
+
         public static string GetRepositoryCommit() => GetTestDataValue("RepositoryCommit");
 
         public static string GetSharedFxRuntimeIdentifier() => GetTestDataValue("TargetRuntimeIdentifier");
@@ -21,6 +23,10 @@ namespace Microsoft.AspNetCore
 
         public static string GetTargetingPackDependencies() => GetTestDataValue("TargetingPackDependencies");
 
+        public static string GetRuntimeTargetingPackDependencies() => GetTestDataValue("RuntimeTargetingPackDependencies");
+
+        public static string GetAspNetCoreTargetingPackDependencies() => GetTestDataValue("AspNetCoreTargetingPackDependencies");
+
         public static bool VerifyAncmBinary() => string.Equals(GetTestDataValue("VerifyAncmBinary"), "true", StringComparison.OrdinalIgnoreCase);
 
         public static string GetTestDataValue(string key)