diff --git a/app/celery/broadcast_message_tasks.py b/app/celery/broadcast_message_tasks.py
index a319027ec..bfde17f42 100644
--- a/app/celery/broadcast_message_tasks.py
+++ b/app/celery/broadcast_message_tasks.py
@@ -106,10 +106,6 @@ def check_provider_message_should_send(broadcast_event, provider):
 @notify_celery.task(name="send-broadcast-event")
 @statsd(namespace="tasks")
 def send_broadcast_event(broadcast_event_id):
-    if not current_app.config['CBC_PROXY_ENABLED']:
-        current_app.logger.info(f'CBC Proxy disabled, not sending broadcast_event {broadcast_event_id}')
-        return
-
     broadcast_event = dao_get_broadcast_event_by_id(broadcast_event_id)
 
     if (
@@ -149,6 +145,13 @@ def send_broadcast_event(broadcast_event_id):
 @notify_celery.task(bind=True, name="send-broadcast-provider-message", max_retries=None)
 @statsd(namespace="tasks")
 def send_broadcast_provider_message(self, broadcast_event_id, provider):
+    if not current_app.config['CBC_PROXY_ENABLED']:
+        current_app.logger.info(
+            "CBC Proxy disabled, not sending broadcast_provider_message for "
+            f"broadcast_event_id {broadcast_event_id} with provider {provider}"
+        )
+        return
+
     broadcast_event = dao_get_broadcast_event_by_id(broadcast_event_id)
 
     check_provider_message_should_send(broadcast_event, provider)
diff --git a/app/config.py b/app/config.py
index 81bb897e5..82269e82d 100644
--- a/app/config.py
+++ b/app/config.py
@@ -365,13 +365,10 @@ class Config(object):
 
     AWS_REGION = 'eu-west-1'
 
-    # CBC Proxy
-    # if the access keys are empty then noop client is used
+    CBC_PROXY_ENABLED = True
     CBC_PROXY_AWS_ACCESS_KEY_ID = os.environ.get('CBC_PROXY_AWS_ACCESS_KEY_ID', '')
     CBC_PROXY_AWS_SECRET_ACCESS_KEY = os.environ.get('CBC_PROXY_AWS_SECRET_ACCESS_KEY', '')
 
-    CBC_PROXY_ENABLED = bool(CBC_PROXY_AWS_ACCESS_KEY_ID)
-
     ENABLED_CBCS = {BroadcastProvider.EE, BroadcastProvider.THREE, BroadcastProvider.O2, BroadcastProvider.VODAFONE}
 
     # as defined in api db migration 0331_add_broadcast_org.py
@@ -422,6 +419,8 @@ class Development(Config):
     API_RATE_LIMIT_ENABLED = True
     DVLA_EMAIL_ADDRESSES = ['success@simulator.amazonses.com']
 
+    CBC_PROXY_ENABLED = False
+
 
 class Test(Development):
     NOTIFY_EMAIL_DOMAIN = 'test.notify.com'
diff --git a/manifest.yml.j2 b/manifest.yml.j2
index 3aba456fe..59401d31f 100644
--- a/manifest.yml.j2
+++ b/manifest.yml.j2
@@ -65,7 +65,11 @@
   'notify-delivery-worker-retry-tasks': {},
   'notify-delivery-worker-internal': {},
   'notify-delivery-worker-broadcasts': {
+    'additional_env_vars': {
       'CELERYD_PREFETCH_MULTIPLIER': 1,
+      'CBC_PROXY_AWS_ACCESS_KEY_ID': CBC_PROXY_AWS_ACCESS_KEY_ID,
+      'CBC_PROXY_AWS_SECRET_ACCESS_KEY': CBC_PROXY_AWS_SECRET_ACCESS_KEY,
+    }
   },
   'notify-delivery-worker-receipts': {},
   'notify-delivery-worker-service-callbacks': {'disk_quota': '2G'},
@@ -125,11 +129,6 @@ applications:
       AWS_ACCESS_KEY_ID: '{{ AWS_ACCESS_KEY_ID }}'
       AWS_SECRET_ACCESS_KEY: '{{ AWS_SECRET_ACCESS_KEY }}'
 
-      {% if CBC_PROXY_AWS_ACCESS_KEY_ID is defined %}
-      CBC_PROXY_AWS_ACCESS_KEY_ID: '{{ CBC_PROXY_AWS_ACCESS_KEY_ID }}'
-      CBC_PROXY_AWS_SECRET_ACCESS_KEY: '{{ CBC_PROXY_AWS_SECRET_ACCESS_KEY }}'
-      {% endif %}
-
       STATSD_HOST: "notify-statsd-exporter-{{ environment }}.apps.internal"
 
       ZENDESK_API_KEY: '{{ ZENDESK_API_KEY }}'
diff --git a/tests/app/celery/test_broadcast_message_tasks.py b/tests/app/celery/test_broadcast_message_tasks.py
index 9cbf2e6ac..61d5aae03 100644
--- a/tests/app/celery/test_broadcast_message_tasks.py
+++ b/tests/app/celery/test_broadcast_message_tasks.py
@@ -1,6 +1,6 @@
 import uuid
 from datetime import datetime
-from unittest.mock import ANY, call
+from unittest.mock import ANY, Mock, call
 
 import pytest
 from celery.exceptions import Retry
@@ -98,18 +98,6 @@ def test_send_broadcast_event_does_nothing_if_provider_set_on_service_isnt_enabl
     assert mock_send_broadcast_provider_message.apply_async.called is False
 
 
-def test_send_broadcast_event_does_nothing_if_cbc_proxy_disabled(mocker, notify_api):
-    mock_send_broadcast_provider_message = mocker.patch(
-        'app.celery.broadcast_message_tasks.send_broadcast_provider_message',
-    )
-
-    event_id = uuid.uuid4()
-    with set_config(notify_api, 'ENABLED_CBCS', ['ee', 'vodafone']), set_config(notify_api, 'CBC_PROXY_ENABLED', False):
-        send_broadcast_event(event_id)
-
-    assert mock_send_broadcast_provider_message.apply_async.called is False
-
-
 def test_send_broadcast_event_creates_zendesk_p1(mocker, notify_api, sample_broadcast_service):
     template = create_template(sample_broadcast_service, BROADCAST_TYPE)
     broadcast_message = create_broadcast_message(
@@ -747,3 +735,18 @@ def test_check_provider_message_should_send_raises_if_current_event_already_has_
     create_broadcast_provider_message(current_event, provider='ee', status=existing_message_status)
 
     check_provider_message_should_send(current_event, 'ee')
+
+
+def test_send_broadcast_provider_message_does_nothing_if_cbc_proxy_disabled(mocker, notify_api, sample_template):
+    mock_proxy_client_getter = mocker.patch(
+        'app.celery.broadcast_message_tasks.cbc_proxy_client',
+    )
+    mock_client = Mock()
+    mock_proxy_client_getter.get_proxy.return_value = mock_client
+
+    broadcast_message = create_broadcast_message(sample_template)
+    broadcast_event = create_broadcast_event(broadcast_message, message_type='alert')
+    with set_config(notify_api, 'ENABLED_CBCS', ['ee', 'vodafone']), set_config(notify_api, 'CBC_PROXY_ENABLED', False):
+        send_broadcast_provider_message(broadcast_event.id, 'ee')
+
+    assert mock_client.create_and_send_broadcast.called is False