diff --git a/app/models.py b/app/models.py
index 4468ec452..c2e7f1062 100644
--- a/app/models.py
+++ b/app/models.py
@@ -2336,10 +2336,9 @@ class BroadcastMessage(db.Model):
         self._personalisation = encryption.encrypt(personalisation or {})
 
     def serialize(self):
-        # TEMPORARY: while we repurpose "areas"
         areas = dict(self.areas)
         areas["simple_polygons"] = areas.get("simple_polygons", [])
-        areas["ids"] = areas.pop("areas", areas.get("ids", []))
+        areas["ids"] = areas.get("ids", [])
 
         return {
             'id': str(self.id),
diff --git a/tests/app/broadcast_message/test_rest.py b/tests/app/broadcast_message/test_rest.py
index 05cfb85bb..9e42d394b 100644
--- a/tests/app/broadcast_message/test_rest.py
+++ b/tests/app/broadcast_message/test_rest.py
@@ -19,13 +19,7 @@ from tests.app.db import (
 )
 
 
-# TEMPORARY: while we repurpose "areas"
-@pytest.mark.parametrize("area_data", [
-    {"areas": ["place A", "region B"]},
-    {"ids": ["place A", "region B"]},
-])
 def test_get_broadcast_message(
-    area_data,
     admin_request,
     sample_broadcast_service
 ):
@@ -37,7 +31,7 @@ def test_get_broadcast_message(
     bm = create_broadcast_message(
         t,
         areas={
-            **area_data,
+            "ids": ["place A", "region B"],
             "simple_polygons": [[[50.1, 1.2], [50.12, 1.2], [50.13, 1.2]]],
         },
         personalisation={
@@ -64,13 +58,7 @@ def test_get_broadcast_message(
     assert response['personalisation'] == {'thing': 'test'}
 
 
-# TEMPORARY: while we repurpose "areas"
-@pytest.mark.parametrize("area_data", [
-    {"areas": ["place A", "region B"]},
-    {"ids": ["place A", "region B"]},
-])
 def test_get_broadcast_message_without_template(
-    area_data,
     admin_request,
     sample_broadcast_service
 ):
@@ -78,7 +66,7 @@ def test_get_broadcast_message_without_template(
         service=sample_broadcast_service,
         content='emergency broadcast content',
         areas={
-            **area_data,
+            "ids": ["place A", "region B"],
             "simple_polygons": [[[50.1, 1.2], [50.12, 1.2], [50.13, 1.2]]],
         },
     )
diff --git a/tests/app/v2/broadcast/test_post_broadcast.py b/tests/app/v2/broadcast/test_post_broadcast.py
index 5d5934f3d..acd43b307 100644
--- a/tests/app/v2/broadcast/test_post_broadcast.py
+++ b/tests/app/v2/broadcast/test_post_broadcast.py
@@ -103,12 +103,10 @@ def test_valid_post_cap_xml_broadcast_returns_201(
     assert response_json['personalisation'] is None
     assert response_json['service_id'] == str(sample_broadcast_service.id)
 
-    # TEMPORARY: while we repurpose "areas"
     assert len(response_json['areas']['simple_polygons']) == 1
     assert len(response_json['areas']['simple_polygons'][0]) == 23
     assert response_json['areas']['simple_polygons'][0][0] == [53.10562, 0.244127]
     assert response_json['areas']['simple_polygons'][0][-1] == [53.10562, 0.244127]
-    assert response_json['areas']['simple_polygons'][0][-1] == [53.10562, 0.244127]
 
     assert response_json['starts_at'] is None
     assert response_json['status'] == 'pending-approval'