diff --git a/homeassistant/components/auth/login_flow.py b/homeassistant/components/auth/login_flow.py
index 0f5da5d7527..4fa0f866124 100644
--- a/homeassistant/components/auth/login_flow.py
+++ b/homeassistant/components/auth/login_flow.py
@@ -68,6 +68,7 @@ associate with an credential if "type" set to "link_user" in
 """
 from aiohttp import web
 import voluptuous as vol
+import voluptuous_serialize
 
 from homeassistant import data_entry_flow
 from homeassistant.components.http import KEY_REAL_IP
@@ -120,8 +121,6 @@ def _prepare_result_json(result):
     if result["type"] != data_entry_flow.RESULT_TYPE_FORM:
         return result
 
-    import voluptuous_serialize
-
     data = result.copy()
 
     schema = data["data_schema"]
diff --git a/homeassistant/components/auth/mfa_setup_flow.py b/homeassistant/components/auth/mfa_setup_flow.py
index 42dab7ebb5a..271e9ae1634 100644
--- a/homeassistant/components/auth/mfa_setup_flow.py
+++ b/homeassistant/components/auth/mfa_setup_flow.py
@@ -2,6 +2,7 @@
 import logging
 
 import voluptuous as vol
+import voluptuous_serialize
 
 from homeassistant import data_entry_flow
 from homeassistant.components import websocket_api
@@ -134,8 +135,6 @@ def _prepare_result_json(result):
     if result["type"] != data_entry_flow.RESULT_TYPE_FORM:
         return result
 
-    import voluptuous_serialize
-
     data = result.copy()
 
     schema = data["data_schema"]