diff --git a/tests/app/service/send_notification/test_send_notification.py b/tests/app/service/send_notification/test_send_notification.py
index 6106c0c3f..19e41d7d7 100644
--- a/tests/app/service/send_notification/test_send_notification.py
+++ b/tests/app/service/send_notification/test_send_notification.py
@@ -15,7 +15,6 @@ from app.dao.templates_dao import dao_get_all_templates_for_service, dao_update_
 from app.enums import KeyType, NotificationType, TemplateType
 from app.errors import InvalidRequest
 from app.models import ApiKey, Notification, NotificationHistory, Template
-from app.service.send_notification import send_one_off_notification
 from notifications_python_client.authentication import create_jwt_token
 from notifications_utils import SMS_CHAR_COUNT_LIMIT
 from tests import create_service_authorization_header
@@ -1154,7 +1153,7 @@ def test_should_allow_store_original_number_on_sms_notification(
     assert "1" == notifications[0].to
 
 
-@pytest.mark.skip("We don't support international at moment")
+# @pytest.mark.skip("We don't support international at moment")
 def test_should_not_allow_sending_to_international_number_without_international_permission(
     client, sample_template, mocker
 ):
@@ -1179,7 +1178,7 @@ def test_should_not_allow_sending_to_international_number_without_international_
     assert error_json["message"] == "Cannot send to international mobile numbers"
 
 
-@pytest.mark.skip("We don't support international at the moment")
+# @pytest.mark.skip("We don't support international at the moment")
 def test_should_allow_sending_to_international_number_with_international_permission(
     client, sample_service_full_permissions, mocker
 ):
@@ -1313,30 +1312,3 @@ def test_post_notification_should_set_reply_to_text(
     notifications = db.session.execute(select(Notification)).scalars().all()
     assert len(notifications) == 1
     assert notifications[0].reply_to_text == expected_reply_to
-
-
-@pytest.mark.skip(reason="Rewrite without letters?")
-@pytest.mark.parametrize("reference_paceholder,", [None, "ref2"])
-def test_send_notification_should_set_client_reference_from_placeholder(
-    sample_letter_template, mocker, reference_paceholder
-):
-    deliver_mock = mocker.patch(
-        "app.celery.tasks.letters_pdf_tasks.get_pdf_for_templated_letter.apply_async"
-    )
-    data = {
-        "template_id": sample_letter_template.id,
-        "personalisation": {
-            "address_line_1": "Jane",
-            "address_line_2": "Moss Lane",
-            "address_line_3": "SW1A 1AA",
-        },
-        "to": "Jane",
-        "created_by": sample_letter_template.service.created_by_id,
-    }
-    if reference_paceholder:
-        data["personalisation"]["reference"] = reference_paceholder
-
-    notification_id = send_one_off_notification(sample_letter_template.service_id, data)
-    assert deliver_mock.called
-    notification = db.session.get(Notification, notification_id["id"])
-    assert notification.client_reference == reference_paceholder
diff --git a/tests/app/service/send_notification/test_send_one_off_notification.py b/tests/app/service/send_notification/test_send_one_off_notification.py
index 42a2d744e..4fdf988ef 100644
--- a/tests/app/service/send_notification/test_send_one_off_notification.py
+++ b/tests/app/service/send_notification/test_send_one_off_notification.py
@@ -97,7 +97,6 @@ def test_send_one_off_notification_calls_persist_correctly_for_sms(
     )
 
 
-# @pytest.mark.skip("We currently don't support international")
 def test_send_one_off_notification_calls_persist_correctly_for_international_sms(
     persist_mock, celery_mock, notify_db_session
 ):