diff --git a/runbot/data/runbot_data.xml b/runbot/data/runbot_data.xml
index adef8dc3..14d918f9 100644
--- a/runbot/data/runbot_data.xml
+++ b/runbot/data/runbot_data.xml
@@ -103,8 +103,6 @@ admin_passwd=running_master_password
10
seconds
- -1
-
model._cron()
code
diff --git a/runbot/models/ir_cron.py b/runbot/models/ir_cron.py
index 04e59eb2..0261a585 100644
--- a/runbot/models/ir_cron.py
+++ b/runbot/models/ir_cron.py
@@ -10,4 +10,4 @@ odoo.addons.base.models.ir_cron._intervalTypes['seconds'] = lambda interval: rel
class ir_cron(models.Model):
_inherit = "ir.cron"
- interval_type = fields.Selection(selection_add=[('seconds', 'Seconds')])
+ interval_type = fields.Selection(selection_add=[('seconds', 'Seconds')], ondelete={'seconds': 'cascade'})