diff --git a/NuGet.config b/NuGet.config
index fb08aba6930f..25788976f9cc 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -17,6 +17,7 @@
     <add key="dotnet31-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json" />
   </packageSources>
   <disabledPackageSources>
+    <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
     <!--  End: Package sources from dotnet-runtime -->