diff --git a/homeassistant/components/wirelesstag/sensor.py b/homeassistant/components/wirelesstag/sensor.py
index cb5f3c59f57..e4505e59666 100644
--- a/homeassistant/components/wirelesstag/sensor.py
+++ b/homeassistant/components/wirelesstag/sensor.py
@@ -105,7 +105,7 @@ class WirelessTagSensor(WirelessTagBaseSensor, SensorEntity):
         # sensor.wirelesstag_bedroom_temperature
         # and not as sensor.bedroom for temperature and
         # sensor.bedroom_2 for humidity
-        self._entity_id = (
+        self.entity_id = (
             f"sensor.{WIRELESSTAG_DOMAIN}_{self.underscored_name}_{self._sensor_type}"
         )
 
@@ -119,11 +119,6 @@ class WirelessTagSensor(WirelessTagBaseSensor, SensorEntity):
             )
         )
 
-    @property
-    def entity_id(self):
-        """Overridden version."""
-        return self._entity_id
-
     @property
     def underscored_name(self):
         """Provide name savvy to be used in entity_id name of self."""