diff --git a/homeassistant/components/tradfri/base_class.py b/homeassistant/components/tradfri/base_class.py
index 0c9f2f7312f..ed95e47abd5 100644
--- a/homeassistant/components/tradfri/base_class.py
+++ b/homeassistant/components/tradfri/base_class.py
@@ -32,6 +32,8 @@ class TradfriBaseClass(Entity):
     All devices and groups should ultimately inherit from this class.
     """
 
+    _attr_should_poll = False
+
     def __init__(self, device, api, gateway_id):
         """Initialize a device."""
         self._api = handle_error(api)
@@ -39,9 +41,6 @@ class TradfriBaseClass(Entity):
         self._device_control = None
         self._device_data = None
         self._gateway_id = gateway_id
-        self._name = None
-        self._unique_id = None
-
         self._refresh(device)
 
     @callback
@@ -49,7 +48,7 @@ class TradfriBaseClass(Entity):
         """Start observation of device."""
         if exc:
             self.async_write_ha_state()
-            _LOGGER.warning("Observation failed for %s", self._name, exc_info=exc)
+            _LOGGER.warning("Observation failed for %s", self._attr_name, exc_info=exc)
 
         try:
             cmd = self._device.observe(
@@ -66,21 +65,6 @@ class TradfriBaseClass(Entity):
         """Start thread when added to hass."""
         self._async_start_observe()
 
-    @property
-    def name(self):
-        """Return the display name of this device."""
-        return self._name
-
-    @property
-    def should_poll(self):
-        """No polling needed for tradfri device."""
-        return False
-
-    @property
-    def unique_id(self):
-        """Return unique ID for device."""
-        return self._unique_id
-
     @callback
     def _observe_update(self, device):
         """Receive new state data for this device."""
@@ -90,7 +74,7 @@ class TradfriBaseClass(Entity):
     def _refresh(self, device):
         """Refresh the device data."""
         self._device = device
-        self._name = device.name
+        self._attr_name = device.name
 
 
 class TradfriBaseDevice(TradfriBaseClass):
@@ -99,16 +83,6 @@ class TradfriBaseDevice(TradfriBaseClass):
     All devices should inherit from this class.
     """
 
-    def __init__(self, device, api, gateway_id):
-        """Initialize a device."""
-        super().__init__(device, api, gateway_id)
-        self._available = True
-
-    @property
-    def available(self):
-        """Return True if entity is available."""
-        return self._available
-
     @property
     def device_info(self):
         """Return the device info."""
@@ -118,7 +92,7 @@ class TradfriBaseDevice(TradfriBaseClass):
             "identifiers": {(DOMAIN, self._device.id)},
             "manufacturer": info.manufacturer,
             "model": info.model_number,
-            "name": self._name,
+            "name": self._attr_name,
             "sw_version": info.firmware_version,
             "via_device": (DOMAIN, self._gateway_id),
         }
@@ -126,4 +100,4 @@ class TradfriBaseDevice(TradfriBaseClass):
     def _refresh(self, device):
         """Refresh the device data."""
         super()._refresh(device)
-        self._available = device.reachable
+        self._attr_available = device.reachable
diff --git a/homeassistant/components/tradfri/cover.py b/homeassistant/components/tradfri/cover.py
index 4c7cde1dfd1..ad077f1f040 100644
--- a/homeassistant/components/tradfri/cover.py
+++ b/homeassistant/components/tradfri/cover.py
@@ -24,7 +24,7 @@ class TradfriCover(TradfriBaseDevice, CoverEntity):
     def __init__(self, device, api, gateway_id):
         """Initialize a cover."""
         super().__init__(device, api, gateway_id)
-        self._unique_id = f"{gateway_id}-{device.id}"
+        self._attr_unique_id = f"{gateway_id}-{device.id}"
 
         self._refresh(device)
 
diff --git a/homeassistant/components/tradfri/light.py b/homeassistant/components/tradfri/light.py
index a4c2ee67865..3dfdb7e6fe7 100644
--- a/homeassistant/components/tradfri/light.py
+++ b/homeassistant/components/tradfri/light.py
@@ -48,19 +48,16 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
 class TradfriGroup(TradfriBaseClass, LightEntity):
     """The platform class for light groups required by hass."""
 
+    _attr_supported_features = SUPPORTED_GROUP_FEATURES
+
     def __init__(self, device, api, gateway_id):
         """Initialize a Group."""
         super().__init__(device, api, gateway_id)
 
-        self._unique_id = f"group-{gateway_id}-{device.id}"
-
+        self._attr_unique_id = f"group-{gateway_id}-{device.id}"
+        self._attr_should_poll = True
         self._refresh(device)
 
-    @property
-    def should_poll(self):
-        """Poll needed for tradfri groups."""
-        return True
-
     async def async_update(self):
         """Fetch new state data for the group.
 
@@ -68,11 +65,6 @@ class TradfriGroup(TradfriBaseClass, LightEntity):
         """
         await self._api(self._device.update())
 
-    @property
-    def supported_features(self):
-        """Flag supported features."""
-        return SUPPORTED_GROUP_FEATURES
-
     @property
     def is_on(self):
         """Return true if group lights are on."""
@@ -108,7 +100,7 @@ class TradfriLight(TradfriBaseDevice, LightEntity):
     def __init__(self, device, api, gateway_id):
         """Initialize a Light."""
         super().__init__(device, api, gateway_id)
-        self._unique_id = f"light-{gateway_id}-{device.id}"
+        self._attr_unique_id = f"light-{gateway_id}-{device.id}"
         self._hs_color = None
 
         # Calculate supported features
@@ -119,24 +111,11 @@ class TradfriLight(TradfriBaseDevice, LightEntity):
             _features |= SUPPORT_COLOR | SUPPORT_COLOR_TEMP
         if device.light_control.can_set_temp:
             _features |= SUPPORT_COLOR_TEMP
-        self._features = _features
+        self._attr_supported_features = _features
 
         self._refresh(device)
-
-    @property
-    def min_mireds(self):
-        """Return the coldest color_temp that this light supports."""
-        return self._device_control.min_mireds
-
-    @property
-    def max_mireds(self):
-        """Return the warmest color_temp that this light supports."""
-        return self._device_control.max_mireds
-
-    @property
-    def supported_features(self):
-        """Flag supported features."""
-        return self._features
+        self._attr_min_mireds = self._device_control.min_mireds
+        self._attr_max_mireds = self._device_control.max_mireds
 
     @property
     def is_on(self):
diff --git a/homeassistant/components/tradfri/sensor.py b/homeassistant/components/tradfri/sensor.py
index f7f68b666ba..7f0ed233d1b 100644
--- a/homeassistant/components/tradfri/sensor.py
+++ b/homeassistant/components/tradfri/sensor.py
@@ -35,7 +35,7 @@ class TradfriSensor(TradfriBaseDevice, SensorEntity):
     def __init__(self, device, api, gateway_id):
         """Initialize the device."""
         super().__init__(device, api, gateway_id)
-        self._unique_id = f"{gateway_id}-{device.id}"
+        self._attr_unique_id = f"{gateway_id}-{device.id}"
 
     @property
     def native_value(self):
diff --git a/homeassistant/components/tradfri/switch.py b/homeassistant/components/tradfri/switch.py
index 6634090d00d..00e15f1b875 100644
--- a/homeassistant/components/tradfri/switch.py
+++ b/homeassistant/components/tradfri/switch.py
@@ -25,7 +25,7 @@ class TradfriSwitch(TradfriBaseDevice, SwitchEntity):
     def __init__(self, device, api, gateway_id):
         """Initialize a switch."""
         super().__init__(device, api, gateway_id)
-        self._unique_id = f"{gateway_id}-{device.id}"
+        self._attr_unique_id = f"{gateway_id}-{device.id}"
 
     def _refresh(self, device):
         """Refresh the switch data."""