diff --git a/testserver_o2b/models/init_test.py b/testserver_o2b/models/init_test.py
index e183102..6304f2a 100644
--- a/testserver_o2b/models/init_test.py
+++ b/testserver_o2b/models/init_test.py
@@ -50,6 +50,8 @@ class IrLogging(models.Model):
                 self.env.cr.execute("""DELETE FROM account_online_link WHERE id > 0;""") 
         if self.env['ir.model'].search([('model','=','account.journal')]):
             self.env.cr.execute("""UPDATE account_journal set bank_statements_source = 'undefined';""")
+        if self.env['ir.model'].search([('model','=','mail.partner.device')]):
+            self.env.cr.execute("""DELETE FROM mail_partner_device;""")
         ip_ok = False
         with os.popen("ip a") as f:
             for x in f.readlines():