diff --git a/odoo/addons/base/i18n/base.pot b/odoo/addons/base/i18n/base.pot
index 76cb2fb8fd6..b365aaa0dbd 100644
--- a/odoo/addons/base/i18n/base.pot
+++ b/odoo/addons/base/i18n/base.pot
@@ -31065,6 +31065,12 @@ msgstr ""
 
 #. module: base
 #. odoo-python
+#: code:addons/base/models/res_users.py:0
+#, python-format
+msgid "You cannot delete a group linked with a settings field."
+msgstr ""
+
+#. module: base
 #: code:addons/base/models/res_partner.py:0
 #, python-format
 msgid ""
diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index 31107c6394e..1195edf836e 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -153,6 +153,13 @@ class Groups(models.Model):
     def _check_one_user_type(self):
         self.users._check_one_user_type()
 
+    @api.ondelete(at_uninstall=False)
+    def _unlink_except_settings_group(self):
+        classified = self.env['res.config.settings']._get_classified_fields()
+        for _name, _groups, implied_group in classified['group']:
+            if implied_group.id in self.ids:
+                raise ValidationError(_('You cannot delete a group linked with a settings field.'))
+
     @api.depends('category_id.name', 'name')
     def _compute_full_name(self):
         # Important: value must be stored in environment of group, not group1!