diff --git a/homeassistant/components/fronius/sensor.py b/homeassistant/components/fronius/sensor.py
index 670551ca7c5f0..53342864da7f0 100644
--- a/homeassistant/components/fronius/sensor.py
+++ b/homeassistant/components/fronius/sensor.py
@@ -333,28 +333,24 @@ async def async_setup_entry(
     SensorEntityDescription(
         key="power_factor_phase_1",
         name="Power factor phase 1",
-        device_class=SensorDeviceClass.POWER_FACTOR,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
     ),
     SensorEntityDescription(
         key="power_factor_phase_2",
         name="Power factor phase 2",
-        device_class=SensorDeviceClass.POWER_FACTOR,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
     ),
     SensorEntityDescription(
         key="power_factor_phase_3",
         name="Power factor phase 3",
-        device_class=SensorDeviceClass.POWER_FACTOR,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=False,
     ),
     SensorEntityDescription(
         key="power_factor",
         name="Power factor",
-        device_class=SensorDeviceClass.POWER_FACTOR,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     SensorEntityDescription(