diff --git a/app/dao/notifications_dao.py b/app/dao/notifications_dao.py
index 564ab6acf..f7b8168a9 100644
--- a/app/dao/notifications_dao.py
+++ b/app/dao/notifications_dao.py
@@ -7,26 +7,25 @@ from datetime import (
 
 from boto.exception import BotoClientError
 from flask import current_app
-
+from notifications_utils.international_billing_rates import INTERNATIONAL_BILLING_RATES
 from notifications_utils.recipients import (
     validate_and_format_email_address,
     InvalidEmailError,
     try_validate_and_format_phone_number
 )
 from notifications_utils.statsd_decorators import statsd
-from werkzeug.datastructures import MultiDict
+from notifications_utils.timezones import convert_utc_to_bst
 from sqlalchemy import (desc, func, or_, asc)
 from sqlalchemy.orm import joinedload
-from sqlalchemy.sql.expression import case
 from sqlalchemy.sql import functions
-from notifications_utils.international_billing_rates import INTERNATIONAL_BILLING_RATES
-from notifications_utils.timezones import convert_utc_to_bst
+from sqlalchemy.sql.expression import case
+from werkzeug.datastructures import MultiDict
 
 from app import db, create_uuid
 from app.aws.s3 import remove_s3_object, get_s3_bucket_objects
-from app.letters.utils import LETTERS_PDF_FILE_LOCATION_STRUCTURE
-from app.utils import midnight_n_days_ago, escape_special_characters
+from app.dao.dao_utils import transactional
 from app.errors import InvalidRequest
+from app.letters.utils import LETTERS_PDF_FILE_LOCATION_STRUCTURE
 from app.models import (
     Notification,
     NotificationHistory,
@@ -47,9 +46,8 @@ from app.models import (
     EMAIL_TYPE,
     ServiceDataRetention
 )
-
-from app.dao.dao_utils import transactional
 from app.utils import get_london_midnight_in_utc
+from app.utils import midnight_n_days_ago, escape_special_characters
 
 
 @statsd(namespace="dao")
@@ -623,31 +621,3 @@ def guess_notification_type(search_term):
         return EMAIL_TYPE
     else:
         return SMS_TYPE
-
-
-@statsd(namespace='dao')
-def fetch_aggregate_stats_by_date_range_for_all_services(start_date, end_date):
-    start_date = get_london_midnight_in_utc(start_date)
-    end_date = get_london_midnight_in_utc(end_date + timedelta(days=1))
-    table = NotificationHistory
-
-    if start_date >= datetime.utcnow() - timedelta(days=7):
-        table = Notification
-
-    query = db.session.query(
-        table.notification_type,
-        table.status,
-        table.key_type,
-        func.count(table.id).label('count')
-    ).filter(
-        table.created_at >= start_date,
-        table.created_at < end_date
-    ).group_by(
-        table.notification_type,
-        table.key_type,
-        table.status
-    ).order_by(
-        table.notification_type,
-    )
-
-    return query.all()
diff --git a/tests/app/dao/notification_dao/test_notification_dao.py b/tests/app/dao/notification_dao/test_notification_dao.py
index ad3a9aa41..68cce13ba 100644
--- a/tests/app/dao/notification_dao/test_notification_dao.py
+++ b/tests/app/dao/notification_dao/test_notification_dao.py
@@ -1,5 +1,5 @@
 import uuid
-from datetime import datetime, timedelta, date
+from datetime import datetime, timedelta
 from functools import partial
 
 import pytest
@@ -33,7 +33,6 @@ from app.dao.notifications_dao import (
     dao_get_notifications_by_references,
     dao_get_notification_history_by_reference,
     notifications_not_yet_sent,
-    fetch_aggregate_stats_by_date_range_for_all_services,
 )
 from app.dao.services_dao import dao_update_service
 from app.models import (
@@ -1802,51 +1801,3 @@ def test_notifications_not_yet_sent_return_no_rows(sample_service, notification_
 
     results = notifications_not_yet_sent(older_than, notification_type)
     assert len(results) == 0
-
-
-def test_fetch_aggregate_stats_by_date_range_for_all_services_returns_empty_list_when_no_stats(notify_db_session):
-    start_date = date(2018, 1, 1)
-    end_date = date(2018, 1, 5)
-
-    result = fetch_aggregate_stats_by_date_range_for_all_services(start_date, end_date)
-    assert result == []
-
-
-@freeze_time('2018-01-08')
-def test_fetch_aggregate_stats_by_date_range_for_all_services_groups_stats(
-    sample_template,
-    sample_email_template,
-    sample_letter_template,
-):
-    today = datetime.now().date()
-
-    for i in range(3):
-        create_notification(template=sample_email_template, status='permanent-failure',
-                            created_at=today)
-
-    create_notification(template=sample_email_template, status='sent', created_at=today)
-    create_notification(template=sample_template, status='sent', created_at=today)
-    create_notification(template=sample_template, status='sent', created_at=today,
-                        key_type=KEY_TYPE_TEAM)
-    create_notification(template=sample_letter_template, status='virus-scan-failed',
-                        created_at=today)
-
-    result = fetch_aggregate_stats_by_date_range_for_all_services(today, today)
-
-    assert len(result) == 5
-    assert ('email', 'permanent-failure', 'normal', 3) in result
-    assert ('email', 'sent', 'normal', 1) in result
-    assert ('sms', 'sent', 'normal', 1) in result
-    assert ('sms', 'sent', 'team', 1) in result
-    assert ('letter', 'virus-scan-failed', 'normal', 1) in result
-
-
-def test_fetch_aggregate_stats_by_date_range_for_all_services_uses_bst_date(sample_template):
-    query_day = datetime(2018, 6, 5).date()
-    create_notification(sample_template, status='sent', created_at=datetime(2018, 6, 4, 23, 59))
-    create_notification(sample_template, status='created', created_at=datetime(2018, 6, 5, 23, 00))
-
-    result = fetch_aggregate_stats_by_date_range_for_all_services(query_day, query_day)
-
-    assert len(result) == 1
-    assert result[0].status == 'sent'