diff --git a/homeassistant/components/arlo/sensor.py b/homeassistant/components/arlo/sensor.py
index 57c897cfd59..0cbb7c95f65 100644
--- a/homeassistant/components/arlo/sensor.py
+++ b/homeassistant/components/arlo/sensor.py
@@ -12,7 +12,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
 )
 from homeassistant.const import (
-    ATTR_ATTRIBUTION,
     CONCENTRATION_PARTS_PER_MILLION,
     CONF_MONITORED_CONDITIONS,
     DEVICE_CLASS_BATTERY,
@@ -123,6 +122,8 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 class ArloSensor(SensorEntity):
     """An implementation of a Netgear Arlo IP sensor."""
 
+    _attr_attribution = ATTRIBUTION
+
     def __init__(self, device, sensor_entry):
         """Initialize an Arlo sensor."""
         self.entity_description = sensor_entry
@@ -212,7 +213,6 @@ class ArloSensor(SensorEntity):
         """Return the device state attributes."""
         attrs = {}
 
-        attrs[ATTR_ATTRIBUTION] = ATTRIBUTION
         attrs["brand"] = DEFAULT_BRAND
 
         if self.entity_description.key != "total_cameras":
diff --git a/tests/components/arlo/test_sensor.py b/tests/components/arlo/test_sensor.py
index 2c1f3e26b54..4d6e8f6f228 100644
--- a/tests/components/arlo/test_sensor.py
+++ b/tests/components/arlo/test_sensor.py
@@ -7,7 +7,6 @@ import pytest
 from homeassistant.components.arlo import DATA_ARLO, sensor as arlo
 from homeassistant.components.arlo.sensor import SENSOR_TYPES
 from homeassistant.const import (
-    ATTR_ATTRIBUTION,
     DEVICE_CLASS_BATTERY,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_TEMPERATURE,
@@ -179,6 +178,13 @@ def test_device_class(default_sensor, temperature_sensor, humidity_sensor):
     assert humidity_sensor.device_class == DEVICE_CLASS_HUMIDITY
 
 
+def test_attribution(default_sensor, temperature_sensor, humidity_sensor):
+    """Test the device_class property."""
+    assert default_sensor.attribution == "Data provided by arlo.netgear.com"
+    assert temperature_sensor.attribution == "Data provided by arlo.netgear.com"
+    assert humidity_sensor.attribution == "Data provided by arlo.netgear.com"
+
+
 def test_update_total_cameras(cameras_sensor):
     """Test update method for total_cameras sensor type."""
     cameras_sensor.update()
@@ -195,7 +201,6 @@ def _test_attributes(hass, sensor_type):
     data = _get_named_tuple({"model_id": "TEST123"})
     sensor = _get_sensor(hass, "test", sensor_type, data)
     attrs = sensor.extra_state_attributes
-    assert attrs.get(ATTR_ATTRIBUTION) == "Data provided by arlo.netgear.com"
     assert attrs.get("brand") == "Netgear Arlo"
     assert attrs.get("model") == "TEST123"
 
@@ -212,7 +217,6 @@ def test_state_attributes(hass):
 def test_attributes_total_cameras(cameras_sensor):
     """Test attributes for total cameras sensor type."""
     attrs = cameras_sensor.extra_state_attributes
-    assert attrs.get(ATTR_ATTRIBUTION) == "Data provided by arlo.netgear.com"
     assert attrs.get("brand") == "Netgear Arlo"
     assert attrs.get("model") is None