diff --git a/app/dao/notifications_dao.py b/app/dao/notifications_dao.py
index 9f6826790..393bba051 100644
--- a/app/dao/notifications_dao.py
+++ b/app/dao/notifications_dao.py
@@ -179,10 +179,6 @@ def dao_update_notification(notification):
     db.session.add(notification)
 
 
-def get_notification_for_job(service_id, job_id, notification_id):
-    return Notification.query.filter_by(service_id=service_id, job_id=job_id, id=notification_id).one()
-
-
 def get_notifications_for_job(service_id, job_id, filter_dict=None, page=1, page_size=None):
     if page_size is None:
         page_size = current_app.config['PAGE_SIZE']
@@ -217,10 +213,6 @@ def get_notification_by_id(notification_id, service_id=None, _raise=False):
     return query.one() if _raise else query.first()
 
 
-def get_notifications(filter_dict=None):
-    return _filter_query(Notification.query, filter_dict=filter_dict)
-
-
 def get_notifications_for_service(
         service_id,
         filter_dict=None,
@@ -626,12 +618,6 @@ def dao_get_notification_or_history_by_reference(reference):
         ).one()
 
 
-def dao_get_notifications_by_references(references):
-    return Notification.query.filter(
-        Notification.reference.in_(references)
-    ).all()
-
-
 def dao_get_notifications_processing_time_stats(start_date, end_date):
     """
     For a given time range, returns the number of notifications sent and the number of
diff --git a/tests/app/celery/test_letters_pdf_tasks.py b/tests/app/celery/test_letters_pdf_tasks.py
index a2419508a..7f392fea0 100644
--- a/tests/app/celery/test_letters_pdf_tasks.py
+++ b/tests/app/celery/test_letters_pdf_tasks.py
@@ -30,7 +30,6 @@ from app.celery.letters_pdf_tasks import (
     update_validation_failed_for_templated_letter,
 )
 from app.config import QueueNames, TaskNames
-from app.dao.notifications_dao import get_notifications
 from app.errors import VirusScanError
 from app.exceptions import NotificationTechnicalFailureException
 from app.letters.utils import ScanErrorType
@@ -515,7 +514,7 @@ def test_send_letters_volume_email_to_dvla(notify_api, notify_db_session, mocker
 
     send_letters_volume_email_to_dvla(letters_volumes, datetime(2020, 2, 17).date())
 
-    emails_to_dvla = get_notifications().all()
+    emails_to_dvla = Notification.query.all()
     assert len(emails_to_dvla) == 2
     send_mock.called = 2
     send_mock.assert_any_call([str(emails_to_dvla[0].id)], queue=QueueNames.NOTIFY)
diff --git a/tests/app/dao/notification_dao/test_notification_dao.py b/tests/app/dao/notification_dao/test_notification_dao.py
index e4776135d..501c5ec6e 100644
--- a/tests/app/dao/notification_dao/test_notification_dao.py
+++ b/tests/app/dao/notification_dao/test_notification_dao.py
@@ -17,12 +17,10 @@ from app.dao.notifications_dao import (
     dao_get_notification_count_for_job_id,
     dao_get_notification_or_history_by_reference,
     dao_get_notifications_by_recipient_or_reference,
-    dao_get_notifications_by_references,
     dao_timeout_notifications,
     dao_update_notification,
     dao_update_notifications_by_reference,
     get_notification_by_id,
-    get_notification_for_job,
     get_notification_with_personalisation,
     get_notifications_for_job,
     get_notifications_for_service,
@@ -503,14 +501,6 @@ def test_save_notification_no_job_id(sample_template):
     assert data.get('job_id') is None
 
 
-def test_get_notification_for_job(sample_notification):
-    notification_from_db = get_notification_for_job(
-        sample_notification.service.id,
-        sample_notification.job_id,
-        sample_notification.id)
-    assert sample_notification == notification_from_db
-
-
 def test_get_all_notifications_for_job(sample_job):
     for _ in range(0, 5):
         try:
@@ -1602,17 +1592,6 @@ def test_dao_get_notification_by_reference_with_no_matches_raises_error(notify_d
         dao_get_notification_by_reference('REF1')
 
 
-def test_dao_get_notifications_by_references(sample_template):
-    create_notification(template=sample_template, reference='noref')
-    notification_1 = create_notification(template=sample_template, reference='ref')
-    notification_2 = create_notification(template=sample_template, reference='ref')
-
-    notifications = dao_get_notifications_by_references(['ref'])
-    assert len(notifications) == 2
-    assert notifications[0].id in [notification_1.id, notification_2.id]
-    assert notifications[1].id in [notification_1.id, notification_2.id]
-
-
 def test_dao_get_notification_or_history_by_reference_with_one_match_returns_notification(
         sample_letter_template
 ):