diff --git a/homeassistant/components/fitbit/sensor.py b/homeassistant/components/fitbit/sensor.py
index 534477d88cf..0d4b8d61e7a 100644
--- a/homeassistant/components/fitbit/sensor.py
+++ b/homeassistant/components/fitbit/sensor.py
@@ -4,6 +4,9 @@ import logging
 import datetime
 import time
 
+from fitbit import Fitbit
+from fitbit.api import FitbitOauth2Client
+from oauthlib.oauth2.rfc6749.errors import MismatchingStateError, MissingTokenError
 import voluptuous as vol
 
 from homeassistant.core import callback
@@ -234,13 +237,11 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     if "fitbit" in _CONFIGURING:
         hass.components.configurator.request_done(_CONFIGURING.pop("fitbit"))
 
-    import fitbit
-
     access_token = config_file.get(ATTR_ACCESS_TOKEN)
     refresh_token = config_file.get(ATTR_REFRESH_TOKEN)
     expires_at = config_file.get(ATTR_LAST_SAVED_AT)
     if None not in (access_token, refresh_token):
-        authd_client = fitbit.Fitbit(
+        authd_client = Fitbit(
             config_file.get(ATTR_CLIENT_ID),
             config_file.get(ATTR_CLIENT_SECRET),
             access_token=access_token,
@@ -294,7 +295,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         add_entities(dev, True)
 
     else:
-        oauth = fitbit.api.FitbitOauth2Client(
+        oauth = FitbitOauth2Client(
             config_file.get(ATTR_CLIENT_ID), config_file.get(ATTR_CLIENT_SECRET)
         )
 
@@ -337,9 +338,6 @@ class FitbitAuthCallbackView(HomeAssistantView):
     @callback
     def get(self, request):
         """Finish OAuth callback request."""
-        from oauthlib.oauth2.rfc6749.errors import MismatchingStateError
-        from oauthlib.oauth2.rfc6749.errors import MissingTokenError
-
         hass = request.app["hass"]
         data = request.query