diff --git a/tests/test_email_utils.py b/tests/test_email_utils.py
index 2ffce7a3..6e9b92be 100644
--- a/tests/test_email_utils.py
+++ b/tests/test_email_utils.py
@@ -50,7 +50,6 @@ def test_can_be_used_as_personal_email(flask_client):
     assert not email_can_be_used_as_mailbox("ab@sl.local")
     assert not email_can_be_used_as_mailbox("hey@d1.test")
 
-    assert email_can_be_used_as_mailbox("hey@ab.cd")
     # custom domain
     user = User.create(
         email="a@b.c",