diff --git a/app/models/event_location_models.py b/app/models/event_location_models.py
index 037ee9c..5f829a1 100644
--- a/app/models/event_location_models.py
+++ b/app/models/event_location_models.py
@@ -28,7 +28,7 @@ class Event_Location_Base(BaseModel):
     )
 
     external_id: Optional[str] = Field(
-        alias = 'event_location_external_id'
+        # alias = 'event_location_external_id'
     )
 
     event_id_random: Optional[str]
diff --git a/app/models/event_presentation_models.py b/app/models/event_presentation_models.py
index 5c2f974..9ba3f0d 100644
--- a/app/models/event_presentation_models.py
+++ b/app/models/event_presentation_models.py
@@ -27,7 +27,7 @@ class Event_Presentation_Base(BaseModel):
     )
 
     external_id: Optional[str] = Field(
-        alias = 'event_presentation_external_id'
+        # alias = 'event_presentation_external_id'
     )
 
     code: Optional[str]
diff --git a/app/models/event_session_models.py b/app/models/event_session_models.py
index 08fa8e4..3a1c608 100644
--- a/app/models/event_session_models.py
+++ b/app/models/event_session_models.py
@@ -28,7 +28,7 @@ class Event_Session_Base(BaseModel):
     )
 
     external_id: Optional[str] = Field(
-        alias = 'event_session_external_id'
+        # alias = 'event_session_external_id'
     )
 
     code: Optional[str] = Field(