diff --git a/dotnet/src/Microsoft.AutoGen/RuntimeGateway.Grpc/Abstractions/IRegistryStorage.cs b/dotnet/src/Microsoft.AutoGen/RuntimeGateway.Grpc/Abstractions/IRegistryStorage.cs
deleted file mode 100644
index 5e57c3b75a39..000000000000
--- a/dotnet/src/Microsoft.AutoGen/RuntimeGateway.Grpc/Abstractions/IRegistryStorage.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// IRegistryStorage.cs
-
-namespace Microsoft.AutoGen.RuntimeGateway.Grpc.Abstractions;
-
-public interface IRegistryStorage
-{
-    /// <summary>
-    /// Populates the Registry state from the storage.
-    /// </summary>
-    /// <param name="cancellationToken"></param>
-    Task<AgentsRegistryState> ReadStateAsync(CancellationToken cancellationToken = default);
-    /// <summary>
-    /// Writes the Registry state to the storage.
-    /// </summary>
-    /// <param name="state"></param>
-    /// <param name="cancellationToken"></param>
-    /// <returns>the etag that was written</returns>
-    ValueTask<string> WriteStateAsync(AgentsRegistryState state, CancellationToken cancellationToken = default);
-}