diff --git a/dotnet/samples/GettingStarted/AgentSample.cs b/dotnet/samples/GettingStarted/AgentSample.cs
index 968814be7f..79f9dc8b8a 100644
--- a/dotnet/samples/GettingStarted/AgentSample.cs
+++ b/dotnet/samples/GettingStarted/AgentSample.cs
@@ -115,8 +115,8 @@ public class AgentSample(ITestOutputHelper output) : BaseSample(output)
     private NewPersistentAgentsChatClient GetAzureAIAgentPersistentClient(ChatClientAgentOptions options)
         => new(new PersistentAgentsClient(TestConfiguration.AzureAI.Endpoint, new AzureCliCredential()), options.Id!);
 
-    private IChatClient GetOpenAIAssistantChatClient(ChatClientAgentOptions options)
-        => new AssistantClient(TestConfiguration.OpenAI.ApiKey).AsIChatClient(options.Id!);
+    private NewOpenAIAssistantChatClient GetOpenAIAssistantChatClient(ChatClientAgentOptions options)
+        => new(new AssistantClient(TestConfiguration.OpenAI.ApiKey), options.Id!);
 
     #endregion
 
diff --git a/dotnet/samples/GettingStarted/Steps/Step07_ChatClientAgent_UsingFileSearchTools.cs b/dotnet/samples/GettingStarted/Steps/Step07_ChatClientAgent_UsingFileSearchTools.cs
index 47cfc67e6e..8b26942177 100644
--- a/dotnet/samples/GettingStarted/Steps/Step07_ChatClientAgent_UsingFileSearchTools.cs
+++ b/dotnet/samples/GettingStarted/Steps/Step07_ChatClientAgent_UsingFileSearchTools.cs
@@ -6,7 +6,6 @@ using Azure.Identity;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.AI.Agents;
 using Microsoft.Shared.Samples;
-using OpenAI.Assistants;
 using OpenAI.Files;
 using OpenAI.VectorStores;
 
@@ -45,8 +44,7 @@ public sealed class Step07_ChatClientAgent_UsingFileSearchTools(ITestOutputHelpe
         // Create the server-side agent Id when applicable (depending on the provider).
         agentOptions.Id = await base.AgentCreateAsync(provider, agentOptions);
 
-        using var chatClient = new NewOpenAIAssistantChatClient(new AssistantClient(TestConfiguration.OpenAI.ApiKey), agentOptions.Id!);
-        //using var chatClient = base.GetChatClient(provider, agentOptions);
+        using var chatClient = base.GetChatClient(provider, agentOptions);
 
         ChatClientAgent agent = new(chatClient, agentOptions);
 
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
index b8cf61509a..37c7bc871b 100644
--- a/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
@@ -30,9 +30,4 @@
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.Extensions.AI.Agents.Abstractions.UnitTests" />
   </ItemGroup>
-
-  <ItemGroup>
-    <Folder Include="MEAI\" />
-  </ItemGroup>
-
 </Project>