diff --git a/app/celery/tasks.py b/app/celery/tasks.py
index ff74c98bb..cebcb8862 100644
--- a/app/celery/tasks.py
+++ b/app/celery/tasks.py
@@ -161,7 +161,7 @@ def send_sms(self, service_id, notification_id, encrypted_notification, created_
         )
         dao_create_notification(notification_db_object, TEMPLATE_TYPE_SMS)
 
-        send_sms_to_provider.apply_async((service_id, notification_id, encrypted_notification), queue='sms')
+        send_sms_to_provider.apply_async((service_id, notification_id), queue='sms')
 
         current_app.logger.info(
             "SMS {} created at {} sent at {}".format(notification_id, created_at, sent_at)
diff --git a/tests/app/celery/test_provider_tasks.py b/tests/app/celery/test_provider_tasks.py
index 45524a130..e0fff90f6 100644
--- a/tests/app/celery/test_provider_tasks.py
+++ b/tests/app/celery/test_provider_tasks.py
@@ -1,20 +1,18 @@
+from datetime import datetime
+
 from celery.exceptions import MaxRetriesExceededError
-
 from mock import ANY, call
+from notifications_utils.recipients import validate_phone_number, format_phone_number
 
-from app import statsd_client, mmg_client, encryption
+from app import statsd_client, mmg_client
 from app.celery import provider_tasks
 from app.celery.provider_tasks import send_sms_to_provider
+from app.celery.research_mode_tasks import send_sms_response
 from app.celery.tasks import provider_to_use
 from app.clients.sms import SmsClientException
-from app.dao import provider_statistics_dao
-from datetime import datetime
-from freezegun import freeze_time
 from app.dao import notifications_dao, provider_details_dao
-from notifications_utils.recipients import validate_phone_number, format_phone_number
-from app.celery.research_mode_tasks import send_sms_response
+from app.dao import provider_statistics_dao
 from app.models import Notification, NotificationStatistics, Job
-
 from tests.app.conftest import (
     sample_notification
 )
diff --git a/tests/app/celery/test_tasks.py b/tests/app/celery/test_tasks.py
index 39452a2de..34e07ba31 100644
--- a/tests/app/celery/test_tasks.py
+++ b/tests/app/celery/test_tasks.py
@@ -332,8 +332,7 @@ def test_should_send_template_to_correct_sms_task_and_persist(sample_template_wi
 
     provider_tasks.send_sms_to_provider.apply_async.assert_called_once_with(
         (sample_template_with_placeholders.service_id,
-         notification_id,
-         encryption.encrypt(notification)),
+         notification_id),
         queue="sms"
     )
 
@@ -371,8 +370,7 @@ def test_should_send_sms_if_restricted_service_and_valid_number(notify_db, notif
 
     provider_tasks.send_sms_to_provider.apply_async.assert_called_once_with(
         (service.id,
-         notification_id,
-         encrypt_notification),
+         notification_id),
         queue="sms"
     )
 
@@ -480,8 +478,7 @@ def test_should_send_sms_template_to_and_persist_with_job_id(sample_job, mocker)
     )
     provider_tasks.send_sms_to_provider.apply_async.assert_called_once_with(
         (sample_job.service.id,
-         notification_id,
-         encryption.encrypt(notification)),
+         notification_id),
         queue="sms"
     )
     persisted_notification = Notification.query.filter_by(id=notification_id).one()