diff --git a/database_cleanup/tests/test_database_cleanup.py b/database_cleanup/tests/test_database_cleanup.py
index 48ebbfbb7..f33b21ea3 100644
--- a/database_cleanup/tests/test_database_cleanup.py
+++ b/database_cleanup/tests/test_database_cleanup.py
@@ -59,15 +59,11 @@ class TestDatabaseCleanup(TransactionCase):
         self.registry._pure_function_fields.pop(
             'x_database.cleanup.test.model')
         purge_models = self.env['cleanup.purge.wizard.model'].create({})
-        with self.assertRaisesRegexp(KeyError,
-                                     'x_database.cleanup.test.model'):
-            # TODO: Remove with-assert of KeyError after fix:
-            # https://github.com/odoo/odoo/pull/13978/files#r88654967
-            purge_models.purge_all()
-            # must be removed by the wizard
-            self.assertFalse(self.env['ir.model'].search([
-                ('model', '=', 'x_database.cleanup.test.model'),
-            ]))
+        purge_models.purge_all()
+        # must be removed by the wizard
+        self.assertFalse(self.env['ir.model'].search([
+            ('model', '=', 'x_database.cleanup.test.model'),
+        ]))
 
         # create a nonexistent module
         self.module = self.env['ir.module.module'].create({