diff --git a/dotnet/samples/Durable/Workflow/ConsoleApps/07_SubWorkflows/07_SubWorkflows.csproj b/dotnet/samples/Durable/Workflow/ConsoleApps/07_SubWorkflows/07_SubWorkflows.csproj
index f8e0eb8896..d8d36ead01 100644
--- a/dotnet/samples/Durable/Workflow/ConsoleApps/07_SubWorkflows/07_SubWorkflows.csproj
+++ b/dotnet/samples/Durable/Workflow/ConsoleApps/07_SubWorkflows/07_SubWorkflows.csproj
@@ -24,6 +24,5 @@
   -->
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\..\src\Microsoft.Agents.AI.DurableTask\Microsoft.Agents.AI.DurableTask.csproj" />
-    <ProjectReference Include="..\..\..\..\..\src\Microsoft.Agents.AI.OpenAI\Microsoft.Agents.AI.OpenAI.csproj" />
   </ItemGroup>
 </Project>