diff --git a/vigilar/web/blueprints/pets.py b/vigilar/web/blueprints/pets.py
index 3d94db1..3f80e0d 100644
--- a/vigilar/web/blueprints/pets.py
+++ b/vigilar/web/blueprints/pets.py
@@ -225,7 +225,6 @@ def delete_pet(pet_id: str):
 
 @pets_bp.route("/train", methods=["POST"])
 def train_model():
-    engine = _engine()
     pets_cfg = current_app.config.get("PETS_CONFIG")
     if not pets_cfg:
         return jsonify({"error": "Pet detection not configured"}), 400