diff --git a/s8n-runtime/WorkflowEditApiChannel.cs b/s8n-runtime/WorkflowEditApiChannel.cs
index 860f0f7..a05afa1 100644
--- a/s8n-runtime/WorkflowEditApiChannel.cs
+++ b/s8n-runtime/WorkflowEditApiChannel.cs
@@ -14,7 +14,7 @@ public class WorkflowEditApiChannel : WorkflowRuntimeNodeBase, IWorkflowNodeRunn
     {
         var builder = WebApplication.CreateBuilder();
         builder.WebHost.UseUrls($"http://localhost:{Port}");
-        builder.Services.AddOpenApi().ConfigureHttpJsonOptions(options =>
+        builder.Services.ConfigureHttpJsonOptions(options =>
         {
             var opts = options.SerializerOptions;
             opts.IncludeFields = true;
@@ -27,7 +27,6 @@ public class WorkflowEditApiChannel : WorkflowRuntimeNodeBase, IWorkflowNodeRunn
         }));
         _app = builder.Build();
 
-        _app.MapOpenApi();
         _app.UseCors(policy => policy.AllowAnyOrigin());
         _app.MapGet("/api/runtime", () => runtime);
         _app.MapGet("/api/log", (Channel<LogServerEvent> channel) =>