diff --git a/addons/event_sale/tests/test_event_sale.py b/addons/event_sale/tests/test_event_sale.py
index c48e70c06f7..aae39e9cae2 100644
--- a/addons/event_sale/tests/test_event_sale.py
+++ b/addons/event_sale/tests/test_event_sale.py
@@ -146,7 +146,6 @@ class TestEventSale(TestEventSaleCommon):
             'email': 'manual.email.2@test.example.com',
         })
 
-        self.assertFalse(editor.seats_available_insufficient)
         editor.action_make_registration()
 
         # check editor correctly created new registrations with information coming from it or SO as fallback
@@ -226,8 +225,6 @@ class TestEventSale(TestEventSaleCommon):
             'default_sale_order_id': customer_so.id
         }).create({})
 
-        self.assertFalse(editor.seats_available_insufficient)
-
         editor.action_make_registration()
         self.assertEqual(len(self.event_0.registration_ids), TICKET_COUNT)
         self.assertTrue(all(reg.state == "open" for reg in self.event_0.registration_ids))
@@ -275,8 +272,6 @@ class TestEventSale(TestEventSaleCommon):
             'default_sale_order_id': customer_so.id
         }).create({})
 
-        self.assertTrue(editor.seats_available_insufficient)
-
         with self.assertRaises(ValidationError):
             editor.action_make_registration()
 
@@ -322,8 +317,6 @@ class TestEventSale(TestEventSaleCommon):
             'default_sale_order_id': customer_so.id
         }).create({})
 
-        self.assertTrue(editor.seats_available_insufficient)
-
         with self.assertRaises(ValidationError):
             editor.action_make_registration()
 
diff --git a/addons/event_sale/wizard/event_edit_registration.py b/addons/event_sale/wizard/event_edit_registration.py
index b1cb8de364b..53d725e9bde 100644
--- a/addons/event_sale/wizard/event_edit_registration.py
+++ b/addons/event_sale/wizard/event_edit_registration.py
@@ -12,37 +12,6 @@ class RegistrationEditor(models.TransientModel):
 
     sale_order_id = fields.Many2one('sale.order', 'Sales Order', required=True, ondelete='cascade')
     event_registration_ids = fields.One2many('registration.editor.line', 'editor_id', string='Registrations to Edit')
-    seats_available_insufficient = fields.Boolean(
-        'Not enough seats for all registrations', compute='_compute_seats_available_insufficient', readonly=True)
-
-    @api.depends('event_registration_ids')
-    def _compute_seats_available_insufficient(self):
-        for editor in self:
-            editor.seats_available_insufficient = False
-
-            events_counts = Counter()
-            event_tickets_counts = defaultdict(Counter)
-
-            for registration in editor.event_registration_ids:
-                events_counts[registration.event_id] += 1
-                event_tickets_counts[registration.event_id][registration.event_ticket_id] += 1
-
-            for event, nb_seats_event in events_counts.items():
-                # Check nb of seats in each event for all registrations on sale order
-                try:
-                    event._check_seats_availability(nb_seats_event)
-                except ValidationError:
-                    editor.seats_available_insufficient = True
-                    break
-                # Check nb of seats for each ticket of the event for all registrations on sale order
-                for ticket, nb_seats_ticket in event_tickets_counts[event].items():
-                    try:
-                        ticket._check_seats_availability(nb_seats_ticket)
-                    except ValidationError:
-                        editor.seats_available_insufficient = True
-                        break
-                if editor.seats_available_insufficient:
-                    break
 
     @api.model
     def default_get(self, fields):
diff --git a/addons/event_sale/wizard/event_edit_registration.xml b/addons/event_sale/wizard/event_edit_registration.xml
index 9876f1da7bf..ddc9246e25c 100644
--- a/addons/event_sale/wizard/event_edit_registration.xml
+++ b/addons/event_sale/wizard/event_edit_registration.xml
@@ -6,12 +6,6 @@
             <field name="model">registration.editor</field>
             <field name="arch" type="xml">
                 <form string="Registration">
-                    <field name="seats_available_insufficient" invisible="1"/>
-                    <div class="alert alert-warning m-0" role="alert" invisible="not seats_available_insufficient">
-                        <p class="my-0">
-                            <span>Not enough seats available. All registrations were created as "Unconfirmed" and can be updated later on.</span>
-                        </p>
-                    </div>
                     <sheet>
                         <p>Before updating the linked registrations of <field name="sale_order_id" readonly="1" class="oe_inline"/>
                         please give attendee details.</p>