diff --git a/homeassistant/components/tellduslive/__init__.py b/homeassistant/components/tellduslive/__init__.py
index 313699e6f1c..917b927691e 100644
--- a/homeassistant/components/tellduslive/__init__.py
+++ b/homeassistant/components/tellduslive/__init__.py
@@ -1,15 +1,17 @@
 """Support for Telldus Live."""
 import asyncio
-import logging
 from functools import partial
+import logging
 
+from tellduslive import DIM, TURNON, UP, Session
 import voluptuous as vol
 
-import homeassistant.helpers.config_validation as cv
 from homeassistant import config_entries
 from homeassistant.const import CONF_SCAN_INTERVAL
+import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 from homeassistant.helpers.event import async_call_later
+
 from . import config_flow  # noqa: F401
 from .const import (
     CONF_HOST,
@@ -51,7 +53,6 @@ INTERVAL_TRACKER = f"{DOMAIN}_INTERVAL"
 
 async def async_setup_entry(hass, entry):
     """Create a tellduslive session."""
-    from tellduslive import Session
 
     conf = entry.data[KEY_SESSION]
 
@@ -159,7 +160,6 @@ class TelldusLiveClient:
         """Find out what type of HA component to create."""
         if device.is_sensor:
             return "sensor"
-        from tellduslive import DIM, UP, TURNON
 
         if device.methods & DIM:
             return "light"
diff --git a/homeassistant/components/tellduslive/config_flow.py b/homeassistant/components/tellduslive/config_flow.py
index 19f82dd18f4..893f3b80456 100644
--- a/homeassistant/components/tellduslive/config_flow.py
+++ b/homeassistant/components/tellduslive/config_flow.py
@@ -4,6 +4,7 @@ import logging
 import os
 
 import async_timeout
+from tellduslive import Session, supports_local_api
 import voluptuous as vol
 
 from homeassistant import config_entries
@@ -43,7 +44,6 @@ class FlowHandler(config_entries.ConfigFlow):
         self._scan_interval = SCAN_INTERVAL
 
     def _get_auth_url(self):
-        from tellduslive import Session
 
         self._session = Session(
             public_key=PUBLIC_KEY,
@@ -116,7 +116,6 @@ class FlowHandler(config_entries.ConfigFlow):
 
     async def async_step_discovery(self, user_input):
         """Run when a Tellstick is discovered."""
-        from tellduslive import supports_local_api
 
         _LOGGER.info("Discovered tellstick device: %s", user_input)
         if supports_local_api(user_input[1]):
diff --git a/homeassistant/components/tellduslive/entry.py b/homeassistant/components/tellduslive/entry.py
index ecd428d3b15..50a219bf7a1 100644
--- a/homeassistant/components/tellduslive/entry.py
+++ b/homeassistant/components/tellduslive/entry.py
@@ -2,6 +2,8 @@
 from datetime import datetime
 import logging
 
+from tellduslive import BATTERY_LOW, BATTERY_OK, BATTERY_UNKNOWN
+
 from homeassistant.const import ATTR_BATTERY_LEVEL, DEVICE_DEFAULT_NAME
 from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
@@ -91,7 +93,6 @@ class TelldusLiveEntity(Entity):
     @property
     def _battery_level(self):
         """Return the battery level of a device."""
-        from tellduslive import BATTERY_LOW, BATTERY_UNKNOWN, BATTERY_OK
 
         if self.device.battery == BATTERY_LOW:
             return 1
diff --git a/tests/components/tellduslive/test_config_flow.py b/tests/components/tellduslive/test_config_flow.py
index c615c8e6aea..f4972ada2c7 100644
--- a/tests/components/tellduslive/test_config_flow.py
+++ b/tests/components/tellduslive/test_config_flow.py
@@ -15,7 +15,7 @@ from homeassistant.components.tellduslive import (
 )
 from homeassistant.const import CONF_HOST
 
-from tests.common import MockConfigEntry, MockDependency, mock_coro
+from tests.common import MockConfigEntry, mock_coro
 
 
 def init_config_flow(hass, side_effect=None):
@@ -42,13 +42,17 @@ def authorize():
 @pytest.fixture
 def mock_tellduslive(supports_local_api, authorize):
     """Mock tellduslive."""
-    with MockDependency("tellduslive") as mock_tellduslive_:
-        mock_tellduslive_.supports_local_api.return_value = supports_local_api
-        mock_tellduslive_.Session().authorize.return_value = authorize
-        mock_tellduslive_.Session().access_token = "token"
-        mock_tellduslive_.Session().access_token_secret = "token_secret"
-        mock_tellduslive_.Session().authorize_url = "https://example.com"
-        yield mock_tellduslive_
+    with patch(
+        "homeassistant.components.tellduslive.config_flow.Session"
+    ) as Session, patch(
+        "homeassistant.components.tellduslive.config_flow.supports_local_api"
+    ) as tellduslive_supports_local_api:
+        tellduslive_supports_local_api.return_value = supports_local_api
+        Session().authorize.return_value = authorize
+        Session().access_token = "token"
+        Session().access_token_secret = "token_secret"
+        Session().authorize_url = "https://example.com"
+        yield Session, tellduslive_supports_local_api
 
 
 async def test_abort_if_already_setup(hass):