diff --git a/backend/app/api/forgejo_repositories.py b/backend/app/api/forgejo_repositories.py
index cb55f3f..6f4bfe7 100644
--- a/backend/app/api/forgejo_repositories.py
+++ b/backend/app/api/forgejo_repositories.py
@@ -155,8 +155,6 @@ async def update_repository(
     conn = await crud.get_by_id(session, ForgejoConnection, repository.connection_id)
     if conn is None:
         raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Referenced connection not found")
-    # Attach connection for updates validation
-    repository.connection = conn
 
     updates = payload.model_dump(exclude_unset=True)