diff --git a/homeassistant/components/htu21d/sensor.py b/homeassistant/components/htu21d/sensor.py
index 4f93ecbc42d..7032f36919b 100644
--- a/homeassistant/components/htu21d/sensor.py
+++ b/homeassistant/components/htu21d/sensor.py
@@ -13,11 +13,10 @@ from homeassistant.const import (
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_TEMPERATURE,
     PERCENTAGE,
-    TEMP_FAHRENHEIT,
+    TEMP_CELSIUS,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
-from homeassistant.util.temperature import celsius_to_fahrenheit
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -48,7 +47,6 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     """Set up the HTU21D sensor."""
     name = config.get(CONF_NAME)
     bus_number = config.get(CONF_I2C_BUS)
-    temp_unit = hass.config.units.temperature_unit
 
     bus = smbus.SMBus(config.get(CONF_I2C_BUS))
     sensor = await hass.async_add_executor_job(partial(HTU21D, bus, logger=_LOGGER))
@@ -59,7 +57,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     sensor_handler = await hass.async_add_executor_job(HTU21DHandler, sensor)
 
     dev = [
-        HTU21DSensor(sensor_handler, name, SENSOR_TEMPERATURE, temp_unit),
+        HTU21DSensor(sensor_handler, name, SENSOR_TEMPERATURE, TEMP_CELSIUS),
         HTU21DSensor(sensor_handler, name, SENSOR_HUMIDITY, PERCENTAGE),
     ]
 
@@ -113,8 +111,6 @@ class HTU21DSensor(SensorEntity):
         if self._client.sensor.sample_ok:
             if self._variable == SENSOR_TEMPERATURE:
                 value = round(self._client.sensor.temperature, 1)
-                if self.unit_of_measurement == TEMP_FAHRENHEIT:
-                    value = celsius_to_fahrenheit(value)
             else:
                 value = round(self._client.sensor.humidity, 1)
             self._state = value