diff --git a/.coveragerc b/.coveragerc
index 6c210d986bc..977cf11a752 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -547,7 +547,6 @@ omit =
     homeassistant/components/life360/*
     homeassistant/components/lifx/*
     homeassistant/components/lifx_cloud/scene.py
-    homeassistant/components/lifx_legacy/light.py
     homeassistant/components/lightwave/*
     homeassistant/components/limitlessled/light.py
     homeassistant/components/linksys_smart/device_tracker.py
diff --git a/homeassistant/components/lifx_legacy/__init__.py b/homeassistant/components/lifx_legacy/__init__.py
deleted file mode 100644
index 83d5a0e5048..00000000000
--- a/homeassistant/components/lifx_legacy/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-"""The lifx_legacy component."""
diff --git a/homeassistant/components/lifx_legacy/light.py b/homeassistant/components/lifx_legacy/light.py
deleted file mode 100644
index 795f3e17793..00000000000
--- a/homeassistant/components/lifx_legacy/light.py
+++ /dev/null
@@ -1,278 +0,0 @@
-"""
-Support for the LIFX platform that implements lights.
-
-This is a legacy platform, included because the current lifx platform does
-not yet support Windows.
-"""
-import logging
-
-import liffylights
-import voluptuous as vol
-
-from homeassistant.components.light import (
-    ATTR_BRIGHTNESS,
-    ATTR_COLOR_TEMP,
-    ATTR_HS_COLOR,
-    ATTR_TRANSITION,
-    PLATFORM_SCHEMA,
-    SUPPORT_BRIGHTNESS,
-    SUPPORT_COLOR,
-    SUPPORT_COLOR_TEMP,
-    SUPPORT_TRANSITION,
-    LightEntity,
-)
-import homeassistant.helpers.config_validation as cv
-from homeassistant.helpers.event import track_time_change
-from homeassistant.util.color import (
-    color_temperature_kelvin_to_mired,
-    color_temperature_mired_to_kelvin,
-)
-
-_LOGGER = logging.getLogger(__name__)
-
-BYTE_MAX = 255
-
-CONF_BROADCAST = "broadcast"
-CONF_SERVER = "server"
-
-SHORT_MAX = 65535
-
-TEMP_MAX = 9000
-TEMP_MAX_HASS = 500
-TEMP_MIN = 2500
-TEMP_MIN_HASS = 154
-
-SUPPORT_LIFX = (
-    SUPPORT_BRIGHTNESS | SUPPORT_COLOR_TEMP | SUPPORT_COLOR | SUPPORT_TRANSITION
-)
-
-PLATFORM_SCHEMA = vol.All(
-    cv.deprecated(CONF_SERVER),
-    cv.deprecated(CONF_BROADCAST),
-    PLATFORM_SCHEMA.extend(
-        {vol.Optional(CONF_SERVER): cv.string, vol.Optional(CONF_BROADCAST): cv.string}
-    ),
-)
-
-
-def setup_platform(hass, config, add_entities, discovery_info=None):
-    """Set up the LIFX platform."""
-    _LOGGER.warning(
-        "The LIFX Legacy platform is deprecated and will be removed in "
-        "Home Assistant Core 2021.6.0; Use the LIFX integration instead"
-    )
-
-    server_addr = config.get(CONF_SERVER)
-    broadcast_addr = config.get(CONF_BROADCAST)
-
-    lifx_library = LIFX(add_entities, server_addr, broadcast_addr)
-
-    # Register our poll service
-    track_time_change(hass, lifx_library.poll, second=[10, 40])
-
-    lifx_library.probe()
-
-
-class LIFX:
-    """Representation of a LIFX light."""
-
-    def __init__(self, add_entities_callback, server_addr=None, broadcast_addr=None):
-        """Initialize the light."""
-        self._devices = []
-
-        self._add_entities_callback = add_entities_callback
-
-        self._liffylights = liffylights.LiffyLights(
-            self.on_device, self.on_power, self.on_color, server_addr, broadcast_addr
-        )
-
-    def find_bulb(self, ipaddr):
-        """Search for bulbs."""
-        bulb = None
-        for device in self._devices:
-            if device.ipaddr == ipaddr:
-                bulb = device
-                break
-        return bulb
-
-    def on_device(self, ipaddr, name, power, hue, sat, bri, kel):
-        """Initialize the light."""
-        bulb = self.find_bulb(ipaddr)
-
-        if bulb is None:
-            _LOGGER.debug(
-                "new bulb %s %s %d %d %d %d %d", ipaddr, name, power, hue, sat, bri, kel
-            )
-            bulb = LIFXLight(self._liffylights, ipaddr, name, power, hue, sat, bri, kel)
-            self._devices.append(bulb)
-            self._add_entities_callback([bulb])
-        else:
-            _LOGGER.debug(
-                "update bulb %s %s %d %d %d %d %d",
-                ipaddr,
-                name,
-                power,
-                hue,
-                sat,
-                bri,
-                kel,
-            )
-            bulb.set_power(power)
-            bulb.set_color(hue, sat, bri, kel)
-            bulb.schedule_update_ha_state()
-
-    def on_color(self, ipaddr, hue, sat, bri, kel):
-        """Initialize the light."""
-        bulb = self.find_bulb(ipaddr)
-
-        if bulb is not None:
-            bulb.set_color(hue, sat, bri, kel)
-            bulb.schedule_update_ha_state()
-
-    def on_power(self, ipaddr, power):
-        """Initialize the light."""
-        bulb = self.find_bulb(ipaddr)
-
-        if bulb is not None:
-            bulb.set_power(power)
-            bulb.schedule_update_ha_state()
-
-    def poll(self, now):
-        """Set up polling for the light."""
-        self.probe()
-
-    def probe(self, address=None):
-        """Probe the light."""
-        self._liffylights.probe(address)
-
-
-class LIFXLight(LightEntity):
-    """Representation of a LIFX light."""
-
-    def __init__(self, liffy, ipaddr, name, power, hue, saturation, brightness, kelvin):
-        """Initialize the light."""
-        _LOGGER.debug("LIFXLight: %s %s", ipaddr, name)
-
-        self._liffylights = liffy
-        self._ip = ipaddr
-        self.set_name(name)
-        self.set_power(power)
-        self.set_color(hue, saturation, brightness, kelvin)
-
-    @property
-    def should_poll(self):
-        """No polling needed for LIFX light."""
-        return False
-
-    @property
-    def name(self):
-        """Return the name of the device."""
-        return self._name
-
-    @property
-    def ipaddr(self):
-        """Return the IP address of the device."""
-        return self._ip
-
-    @property
-    def hs_color(self):
-        """Return the hs value."""
-        return (self._hue / 65535 * 360, self._sat / 65535 * 100)
-
-    @property
-    def brightness(self):
-        """Return the brightness of this light between 0..255."""
-        brightness = int(self._bri / (BYTE_MAX + 1))
-        _LOGGER.debug("brightness: %d", brightness)
-        return brightness
-
-    @property
-    def color_temp(self):
-        """Return the color temperature."""
-        temperature = color_temperature_kelvin_to_mired(self._kel)
-
-        _LOGGER.debug("color_temp: %d", temperature)
-        return temperature
-
-    @property
-    def is_on(self):
-        """Return true if device is on."""
-        _LOGGER.debug("is_on: %d", self._power)
-        return self._power != 0
-
-    @property
-    def supported_features(self):
-        """Flag supported features."""
-        return SUPPORT_LIFX
-
-    def turn_on(self, **kwargs):
-        """Turn the device on."""
-        if ATTR_TRANSITION in kwargs:
-            fade = int(kwargs[ATTR_TRANSITION] * 1000)
-        else:
-            fade = 0
-
-        if ATTR_HS_COLOR in kwargs:
-            hue, saturation = kwargs[ATTR_HS_COLOR]
-            hue = hue / 360 * 65535
-            saturation = saturation / 100 * 65535
-        else:
-            hue = self._hue
-            saturation = self._sat
-
-        if ATTR_BRIGHTNESS in kwargs:
-            brightness = kwargs[ATTR_BRIGHTNESS] * (BYTE_MAX + 1)
-        else:
-            brightness = self._bri
-
-        if ATTR_COLOR_TEMP in kwargs:
-            kelvin = int(color_temperature_mired_to_kelvin(kwargs[ATTR_COLOR_TEMP]))
-        else:
-            kelvin = self._kel
-
-        _LOGGER.debug(
-            "turn_on: %s (%d) %d %d %d %d %d",
-            self._ip,
-            self._power,
-            hue,
-            saturation,
-            brightness,
-            kelvin,
-            fade,
-        )
-
-        if self._power == 0:
-            self._liffylights.set_color(
-                self._ip, hue, saturation, brightness, kelvin, 0
-            )
-            self._liffylights.set_power(self._ip, 65535, fade)
-        else:
-            self._liffylights.set_color(
-                self._ip, hue, saturation, brightness, kelvin, fade
-            )
-
-    def turn_off(self, **kwargs):
-        """Turn the device off."""
-        if ATTR_TRANSITION in kwargs:
-            fade = int(kwargs[ATTR_TRANSITION] * 1000)
-        else:
-            fade = 0
-
-        _LOGGER.debug("turn_off: %s %d", self._ip, fade)
-        self._liffylights.set_power(self._ip, 0, fade)
-
-    def set_name(self, name):
-        """Set name of the light."""
-        self._name = name
-
-    def set_power(self, power):
-        """Set power state value."""
-        _LOGGER.debug("set_power: %d", power)
-        self._power = power != 0
-
-    def set_color(self, hue, sat, bri, kel):
-        """Set color state values."""
-        self._hue = hue
-        self._sat = sat
-        self._bri = bri
-        self._kel = kel
diff --git a/homeassistant/components/lifx_legacy/manifest.json b/homeassistant/components/lifx_legacy/manifest.json
deleted file mode 100644
index 8bd5a471bf6..00000000000
--- a/homeassistant/components/lifx_legacy/manifest.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "domain": "lifx_legacy",
-  "name": "LIFX Legacy",
-  "documentation": "https://www.home-assistant.io/integrations/lifx_legacy",
-  "requirements": ["liffylights==0.9.4"],
-  "codeowners": [],
-  "iot_class": "local_push"
-}
diff --git a/requirements_all.txt b/requirements_all.txt
index f810324678c..acfff356b16 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -872,9 +872,6 @@ libsoundtouch==0.8
 # homeassistant.components.life360
 life360==4.1.1
 
-# homeassistant.components.lifx_legacy
-liffylights==0.9.4
-
 # homeassistant.components.osramlightify
 lightify==1.0.7.3