diff --git a/dotnet/src/Microsoft.AutoGen/Abstractions/IAgent.cs b/dotnet/src/Microsoft.AutoGen/Abstractions/IAgent.cs
deleted file mode 100644
index 834e5678a..000000000
--- a/dotnet/src/Microsoft.AutoGen/Abstractions/IAgent.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Microsoft.AutoGen.Abstractions;
-
-public interface IAgent
-{
-    Task HandleEvent(CloudEvent item);
-    Task PublishEvent(CloudEvent item);
-}
diff --git a/dotnet/src/Microsoft.AutoGen/Abstractions/IAiAgent.cs b/dotnet/src/Microsoft.AutoGen/Abstractions/IAiAgent.cs
deleted file mode 100644
index 47105eaca..000000000
--- a/dotnet/src/Microsoft.AutoGen/Abstractions/IAiAgent.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-
-using Microsoft.SemanticKernel;
-using Microsoft.SemanticKernel.Connectors.OpenAI;
-
-namespace Microsoft.AutoGen.Abstractions;
-
-public interface IAiAgent : IAgent
-{
-    void AddToHistory(string message, ChatUserType userType);
-    string AppendChatHistory(string ask);
-    Task<string> CallFunction(string template, KernelArguments arguments, OpenAIPromptExecutionSettings? settings = null);
-    Task<KernelArguments> AddKnowledge(string instruction, string index, KernelArguments arguments);
-}