diff --git a/backend/app/api/office.py b/backend/app/api/office.py
index db43ec3..f2e02a1 100644
--- a/backend/app/api/office.py
+++ b/backend/app/api/office.py
@@ -391,7 +391,6 @@ def onlyoffice_config(file_id):
     return jsonify(config), 200
 
 
-@api_bp.route('/files/onlyoffice-callback', methods=['POST'])
 @api_bp.route('/files/oo-download/<access_key>', methods=['GET'])
 def oo_download(access_key):
     """Dedicated download endpoint for OnlyOffice - no JWT auth, uses one-time key."""