diff --git a/homeassistant/components/cloud/iot.py b/homeassistant/components/cloud/iot.py
index 8aa9c41236745f..d725cb309bcc63 100644
--- a/homeassistant/components/cloud/iot.py
+++ b/homeassistant/components/cloud/iot.py
@@ -12,9 +12,10 @@
 from homeassistant.components.google_assistant import smart_home as ga
 from homeassistant.core import callback
 from homeassistant.util.decorator import Registry
-from homeassistant.util.aiohttp import MockRequest, serialize_response
+from homeassistant.util.aiohttp import MockRequest
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from . import auth_api
+from . import utils
 from .const import MESSAGE_EXPIRATION, MESSAGE_AUTH_FAIL
 
 HANDLERS = Registry()
@@ -360,7 +361,7 @@ async def async_handle_webhook(hass, cloud, payload):
     response = await hass.components.webhook.async_handle_webhook(
         found['webhook_id'], request)
 
-    response_dict = serialize_response(response)
+    response_dict = utils.aiohttp_serialize_response(response)
     body = response_dict.get('body')
 
     return {
diff --git a/homeassistant/components/cloud/utils.py b/homeassistant/components/cloud/utils.py
new file mode 100644
index 00000000000000..da1d3809989e75
--- /dev/null
+++ b/homeassistant/components/cloud/utils.py
@@ -0,0 +1,13 @@
+"""Helper functions for cloud components."""
+from typing import Any, Dict
+
+from aiohttp import web
+
+
+def aiohttp_serialize_response(response: web.Response) -> Dict[str, Any]:
+    """Serialize an aiohttp response to a dictionary."""
+    return {
+        'status': response.status,
+        'body': response.text,
+        'headers': dict(response.headers),
+    }
diff --git a/homeassistant/util/aiohttp.py b/homeassistant/util/aiohttp.py
index e1809eae4924d5..9ad59e6b3c715e 100644
--- a/homeassistant/util/aiohttp.py
+++ b/homeassistant/util/aiohttp.py
@@ -42,12 +42,3 @@ async def post(self) -> 'MultiDict[str]':
     async def text(self) -> str:
         """Return the body as text."""
         return self._text
-
-
-def serialize_response(response: web.Response) -> Dict[str, Any]:
-    """Serialize an aiohttp response to a dictionary."""
-    return {
-        'status': response.status,
-        'body': response.text,
-        'headers': dict(response.headers),
-    }
diff --git a/tests/components/cloud/test_aiohttp.py b/tests/components/cloud/test_aiohttp.py
new file mode 100644
index 00000000000000..24de4ce6214c8a
--- /dev/null
+++ b/tests/components/cloud/test_aiohttp.py
@@ -0,0 +1,24 @@
+"""Test aiohttp request helper."""
+from aiohttp import web
+
+from homeassistant.components.cloud import utils
+
+
+def test_serialize_text():
+    """Test serializing a text response."""
+    response = web.Response(status=201, text='Hello')
+    assert utils.aiohttp_serialize_response(response) == {
+        'status': 201,
+        'body': 'Hello',
+        'headers': {'Content-Type': 'text/plain; charset=utf-8'},
+    }
+
+
+def test_serialize_json():
+    """Test serializing a JSON response."""
+    response = web.json_response({"how": "what"})
+    assert utils.aiohttp_serialize_response(response) == {
+        'status': 200,
+        'body': '{"how": "what"}',
+        'headers': {'Content-Type': 'application/json; charset=utf-8'},
+    }
diff --git a/tests/util/test_aiohttp.py b/tests/util/test_aiohttp.py
index 2ebd9d0955259f..1594570d7a2dc3 100644
--- a/tests/util/test_aiohttp.py
+++ b/tests/util/test_aiohttp.py
@@ -32,23 +32,3 @@ async def test_request_post_query():
     assert request.query == {
         'get': 'true'
     }
-
-
-def test_serialize_text():
-    """Test serializing a text response."""
-    response = web.Response(status=201, text='Hello')
-    assert aiohttp.serialize_response(response) == {
-        'status': 201,
-        'body': 'Hello',
-        'headers': {'Content-Type': 'text/plain; charset=utf-8'},
-    }
-
-
-def test_serialize_json():
-    """Test serializing a JSON response."""
-    response = web.json_response({"how": "what"})
-    assert aiohttp.serialize_response(response) == {
-        'status': 200,
-        'body': '{"how": "what"}',
-        'headers': {'Content-Type': 'application/json; charset=utf-8'},
-    }