diff --git a/swh/lister/gitlab/models.py b/swh/lister/gitlab/models.py
index 68841bf..2b045a3 100644
--- a/swh/lister/gitlab/models.py
+++ b/swh/lister/gitlab/models.py
@@ -1,28 +1,28 @@
 # Copyright (C) 2018 the Software Heritage developers
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from sqlalchemy import Column, Integer, String
+from sqlalchemy import Column, String
 
 from ..core.models import ModelBase
 
 
 class GitLabModel(ModelBase):
     """a Gitlab repository from a gitlab instance
 
     """
     __tablename__ = 'gitlab_repo'
 
     uid = Column(String, primary_key=True)
     instance = Column(String, index=True)
 
     def __init__(self, uid=None, indexable=None, name=None,
                  full_name=None, html_url=None, origin_url=None,
                  origin_type=None, description=None, task_id=None,
                  origin_id=None, instance=None):
         super().__init__(uid=uid, name=name,
                          full_name=full_name, html_url=html_url,
                          origin_url=origin_url, origin_type=origin_type,
                          description=description, task_id=task_id,
                          origin_id=origin_id)
         self.instance = instance