diff --git a/homeassistant/components/light/tradfri.py b/homeassistant/components/light/tradfri.py
index c3632351e5f..3bba6da8dd3 100644
--- a/homeassistant/components/light/tradfri.py
+++ b/homeassistant/components/light/tradfri.py
@@ -120,6 +120,7 @@ class TradfriGroup(Light):
     @callback
     def _async_start_observe(self, exc=None):
         """Start observation of light."""
+        # pylint: disable=import-error
         from pytradfri.error import PyTradFriError
         if exc:
             _LOGGER.warning("Observation failed for %s", self._name,
@@ -279,6 +280,7 @@ class TradfriLight(Light):
     @callback
     def _async_start_observe(self, exc=None):
         """Start observation of light."""
+        # pylint: disable=import-error
         from pytradfri.error import PyTradFriError
         if exc:
             _LOGGER.warning("Observation failed for %s", self._name,
diff --git a/homeassistant/components/sensor/tradfri.py b/homeassistant/components/sensor/tradfri.py
index 88a33cb2f8a..d087fdda9f6 100644
--- a/homeassistant/components/sensor/tradfri.py
+++ b/homeassistant/components/sensor/tradfri.py
@@ -90,6 +90,7 @@ class TradfriDevice(Entity):
     @callback
     def _async_start_observe(self, exc=None):
         """Start observation of light."""
+        # pylint: disable=import-error
         from pytradfri.error import PyTradFriError
         if exc:
             _LOGGER.warning("Observation failed for %s", self._name,
diff --git a/homeassistant/components/tradfri.py b/homeassistant/components/tradfri.py
index 53ea7eac997..5ac4d2a4eb1 100644
--- a/homeassistant/components/tradfri.py
+++ b/homeassistant/components/tradfri.py
@@ -16,11 +16,7 @@ from homeassistant.const import CONF_HOST
 from homeassistant.components.discovery import SERVICE_IKEA_TRADFRI
 from homeassistant.util.json import load_json, save_json
 
-REQUIREMENTS = ['pytradfri==4.0.1',
-                'DTLSSocket==0.1.4',
-                'https://github.com/chrysn/aiocoap/archive/'
-                '3286f48f0b949901c8b5c04c0719dc54ab63d431.zip'
-                '#aiocoap==0.3']
+REQUIREMENTS = ['pytradfri[async]==4.1.0']
 
 DOMAIN = 'tradfri'
 GATEWAY_IDENTITY = 'homeassistant'
@@ -143,7 +139,7 @@ def async_setup(hass, config):
 def _setup_gateway(hass, hass_config, host, identity, key,
                    allow_tradfri_groups):
     """Create a gateway."""
-    from pytradfri import Gateway, RequestError
+    from pytradfri import Gateway, RequestError  # pylint: disable=import-error
     try:
         from pytradfri.api.aiocoap_api import APIFactory
     except ImportError:
diff --git a/requirements_all.txt b/requirements_all.txt
index f135744c467..7c6ec95b517 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -19,9 +19,6 @@ certifi>=2017.4.17
 # homeassistant.components.bbb_gpio
 # Adafruit_BBIO==1.0.0
 
-# homeassistant.components.tradfri
-# DTLSSocket==0.1.4
-
 # homeassistant.components.doorbird
 DoorBirdPy==0.0.4
 
@@ -345,9 +342,6 @@ httplib2==0.10.3
 # homeassistant.components.media_player.braviatv
 https://github.com/aparraga/braviarc/archive/0.3.7.zip#braviarc==0.3.7
 
-# homeassistant.components.tradfri
-# https://github.com/chrysn/aiocoap/archive/3286f48f0b949901c8b5c04c0719dc54ab63d431.zip#aiocoap==0.3
-
 # homeassistant.components.media_player.spotify
 https://github.com/happyleavesaoc/spotipy/archive/544614f4b1d508201d363e84e871f86c90aa26b2.zip#spotipy==2.4.4
 
@@ -901,7 +895,7 @@ pytile==1.0.0
 pytrackr==0.0.5
 
 # homeassistant.components.tradfri
-pytradfri==4.0.1
+# pytradfri[async]==4.1.0
 
 # homeassistant.components.device_tracker.unifi
 pyunifi==2.13
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 9d9725e9e6a..fbd60ffdadc 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -31,8 +31,7 @@ COMMENT_REQUIREMENTS = (
     'envirophat',
     'i2csense',
     'credstash',
-    'aiocoap',  # Temp, will be removed when Python 3.4 is no longer supported.
-    'DTLSSocket'  # Requires cython.
+    'pytradfri',
 )
 
 TEST_REQUIREMENTS = (