diff --git a/homeassistant/components/energyzero/sensor.py b/homeassistant/components/energyzero/sensor.py
index 54cbb7c8195..75b5fa6fea6 100644
--- a/homeassistant/components/energyzero/sensor.py
+++ b/homeassistant/components/energyzero/sensor.py
@@ -44,7 +44,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="current_hour_price",
         name="Current hour",
         service_type="today_gas",
-        device_class=SensorDeviceClass.MONETARY,
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfVolume.CUBIC_METERS}",
         value_fn=lambda data: data.gas_today.current_price if data.gas_today else None,
@@ -53,7 +52,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="next_hour_price",
         name="Next hour",
         service_type="today_gas",
-        device_class=SensorDeviceClass.MONETARY,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfVolume.CUBIC_METERS}",
         value_fn=lambda data: get_gas_price(data, 1),
     ),
@@ -61,7 +59,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="current_hour_price",
         name="Current hour",
         service_type="today_energy",
-        device_class=SensorDeviceClass.MONETARY,
         state_class=SensorStateClass.MEASUREMENT,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfEnergy.KILO_WATT_HOUR}",
         value_fn=lambda data: data.energy_today.current_price,
@@ -70,7 +67,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="next_hour_price",
         name="Next hour",
         service_type="today_energy",
-        device_class=SensorDeviceClass.MONETARY,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfEnergy.KILO_WATT_HOUR}",
         value_fn=lambda data: data.energy_today.price_at_time(
             data.energy_today.utcnow() + timedelta(hours=1)
@@ -80,7 +76,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="average_price",
         name="Average - today",
         service_type="today_energy",
-        device_class=SensorDeviceClass.MONETARY,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfEnergy.KILO_WATT_HOUR}",
         value_fn=lambda data: data.energy_today.average_price,
     ),
@@ -88,7 +83,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="max_price",
         name="Highest price - today",
         service_type="today_energy",
-        device_class=SensorDeviceClass.MONETARY,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfEnergy.KILO_WATT_HOUR}",
         value_fn=lambda data: data.energy_today.extreme_prices[1],
     ),
@@ -96,7 +90,6 @@ SENSORS: tuple[EnergyZeroSensorEntityDescription, ...] = (
         key="min_price",
         name="Lowest price - today",
         service_type="today_energy",
-        device_class=SensorDeviceClass.MONETARY,
         native_unit_of_measurement=f"{CURRENCY_EURO}/{UnitOfEnergy.KILO_WATT_HOUR}",
         value_fn=lambda data: data.energy_today.extreme_prices[0],
     ),
diff --git a/tests/components/energyzero/test_sensor.py b/tests/components/energyzero/test_sensor.py
index f5ab1f5822b..ed9b87db73e 100644
--- a/tests/components/energyzero/test_sensor.py
+++ b/tests/components/energyzero/test_sensor.py
@@ -56,7 +56,7 @@ async def test_energy_today(
         == f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}"
     )
     assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.MONETARY
+    assert ATTR_DEVICE_CLASS not in state.attributes
     assert ATTR_ICON not in state.attributes
 
     # Average price sensor
@@ -74,7 +74,7 @@ async def test_energy_today(
         state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
         == f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}"
     )
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.MONETARY
+    assert ATTR_DEVICE_CLASS not in state.attributes
     assert ATTR_ICON not in state.attributes
 
     # Highest price sensor
@@ -92,7 +92,7 @@ async def test_energy_today(
         state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
         == f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}"
     )
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.MONETARY
+    assert ATTR_DEVICE_CLASS not in state.attributes
     assert ATTR_ICON not in state.attributes
 
     # Highest price time sensor
@@ -144,7 +144,7 @@ async def test_gas_today(
         == f"{CURRENCY_EURO}/{VOLUME_CUBIC_METERS}"
     )
     assert state.attributes.get(ATTR_STATE_CLASS) == SensorStateClass.MEASUREMENT
-    assert state.attributes.get(ATTR_DEVICE_CLASS) == SensorDeviceClass.MONETARY
+    assert ATTR_DEVICE_CLASS not in state.attributes
     assert ATTR_ICON not in state.attributes
 
     assert entry.device_id