diff --git a/backend/app/models/focus_group.py b/backend/app/models/focus_group.py
index 4ffecdbc..78c27275 100644
--- a/backend/app/models/focus_group.py
+++ b/backend/app/models/focus_group.py
@@ -5,7 +5,6 @@ import traceback
 import uuid
 import os
 import threading
-import eventlet
 import logging
 
 # Set up logger for this module
@@ -51,22 +50,6 @@ async def emit_websocket_event(event_name: str, focus_group_id: str, data: dict)
         import traceback
         print(f"🔔 Full traceback: {traceback.format_exc()}")
 
-def emit_with_ack(event_name: str, focus_group_id: str, payload: dict):
-    """GPT-5 Optional: Emit with client ACK to prove end-to-end delivery."""
-    from app.extensions import socketio
-    
-    def _ack_callback():
-        print(f"🔧 GPT-5 ACK: Client confirmed receipt of {event_name} for room {focus_group_id}")
-    
-    try:
-        socketio.emit(event_name, payload, room=focus_group_id, callback=_ack_callback, namespace='/')
-        eventlet.sleep(0)  # GPT-5: Yield to eventlet for proper async handling
-        print(f"🔧 GPT-5: Emitted {event_name} with ACK callback for room {focus_group_id}")
-    except Exception as e:
-        print(f"WebSocket emit with ACK error for {event_name}: {e}")
-        import traceback
-        traceback.print_exc()
-
 class FocusGroup:
     @staticmethod
     async def create(focus_group_data, user_id):