diff --git a/NuGet.config b/NuGet.config
index 8f17ca757584..145a0ac31d86 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -7,21 +7,16 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
-    <add key="darc-pub-dotnet-emsdk-ac9f809" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-ac9f8092/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
-    <add key="darc-int-dotnet-aspnetcore-03ef277" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-aspnetcore-03ef277b/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-580168d" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-windowsdesktop-580168d2/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-18fd75c" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-18fd75c8/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-sdk -->
-    <add key="darc-int-dotnet-sdk-fab4796" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-sdk-fab4796d/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-sdk -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
@@ -40,18 +35,14 @@
   <disabledPackageSources>
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
-    <add key="darc-int-dotnet-aspnetcore-03ef277" value="true" />
     <!--  Begin: Package sources from DotNet-msbuild-Trusted -->
     <!--  End: Package sources from DotNet-msbuild-Trusted -->
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-18fd75c" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-sdk -->
-    <add key="darc-int-dotnet-sdk-fab4796" value="true" />
     <!--  End: Package sources from dotnet-sdk -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
-    <add key="darc-int-dotnet-windowsdesktop-580168d" value="true" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 72511f235239..a348ac5cf451 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -193,9 +193,9 @@
       <Sha>5255d40e228ea1d4b624781b5b97ec16484a3b4b</Sha>
       <SourceBuild RepoName="deployment-tools" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.26309.12">
-      <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-source-build-externals</Uri>
-      <Sha>15f64ab037253b38c22fa801dccf26d809af95fd</Sha>
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.26403.1">
+      <Uri>https://github.com/dotnet/source-build-externals</Uri>
+      <Sha>d64f0dd8dea2a4cd6e956f1f84137a3c58d70bd9</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.SourceBuild.Intermediate.symreader" Version="2.1.0-beta.23253.1">