diff --git a/app.py b/app.py
index c083bcc..a4944f4 100644
--- a/app.py
+++ b/app.py
@@ -88,7 +88,7 @@ def get_client_for_endpoint(endpoint, api_key):
 
 
 def initialize_model_map():
-    global MODEL_CLIENT_MAP, SYSTEM_USERS
+    global SYSTEM_USERS
     MODEL_CLIENT_MAP.clear()
     for ep_config in ENDPOINTS:
         base_url = ep_config["base_url"]
diff --git a/research/guarded_ai.py b/research/guarded_ai.py
index a61a913..b0526ad 100644
--- a/research/guarded_ai.py
+++ b/research/guarded_ai.py
@@ -31,8 +31,6 @@ def get_client_for_endpoint(endpoint, api_key):
 
 def initialize_model_map():
     """Initialize the model-client mapping from environment variables"""
-    global MODEL_CLIENT_MAP
-
     # Load endpoints from environment variables
     for i in range(1000):  # Support up to 1000 endpoints
         endpoint_key = f"MODEL_ENDPOINT_{i}"