diff --git a/NuGet.config b/NuGet.config
index 9e48ae7d9..80a8ed6b9 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -9,15 +9,11 @@
     <add key="general-testing" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json" />
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
-    <add key="dotnet-core" value="https://dotnetfeed.blob.core.windows.net/dotnet-core/index.json" />
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="msbuild" value="https://dotnet.myget.org/F/msbuild/api/v3/index.json" />
-    <add key="nuget-build" value="https://dotnet.myget.org/F/nuget-build/api/v3/index.json" />
     <add key="dotnet3-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3-transport/nuget/v3/index.json" />
     <add key="dotnet3.1-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json" />
     <add key="dotnet5" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json" />
     <add key="dotnet5-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json" />
-    <add key="darc-pub-dotnet-templating-247f60e9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-247f60e9/nuget/v3/index.json" />
   </packageSources>
   <disabledPackageSources>
     <clear />