diff --git a/homeassistant/components/htu21d/sensor.py b/homeassistant/components/htu21d/sensor.py
index 6c3844d6657..2385521a795 100644
--- a/homeassistant/components/htu21d/sensor.py
+++ b/homeassistant/components/htu21d/sensor.py
@@ -54,6 +54,13 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the HTU21D sensor."""
+    _LOGGER.warning(
+        "The HTU21D(F) Sensor integration is deprecated and will be removed "
+        "in Home Assistant Core 2022.4; this integration is removed under "
+        "Architectural Decision Record 0019, more information can be found here: "
+        "https://github.com/home-assistant/architecture/blob/master/adr/0019-GPIO.md"
+    )
+
     name = config.get(CONF_NAME)
     bus_number = config.get(CONF_I2C_BUS)