diff --git a/homeassistant/components/fritzbox/binary_sensor.py b/homeassistant/components/fritzbox/binary_sensor.py
index b0f5e63d4246..e83a2a674725 100644
--- a/homeassistant/components/fritzbox/binary_sensor.py
+++ b/homeassistant/components/fritzbox/binary_sensor.py
@@ -8,7 +8,7 @@ from typing import Final
 from pyfritzhome.fritzhomedevice import FritzhomeDevice
 
 from homeassistant.components.binary_sensor import (
-    DEVICE_CLASS_WINDOW,
+    BinarySensorDeviceClass,
     BinarySensorEntity,
     BinarySensorEntityDescription,
 )
@@ -40,7 +40,7 @@ BINARY_SENSOR_TYPES: Final[tuple[FritzBinarySensorEntityDescription, ...]] = (
     FritzBinarySensorEntityDescription(
         key="alarm",
         name="Alarm",
-        device_class=DEVICE_CLASS_WINDOW,
+        device_class=BinarySensorDeviceClass.WINDOW,
         suitable=lambda device: device.has_alarm,  # type: ignore[no-any-return]
         is_on=lambda device: device.alert_state,  # type: ignore[no-any-return]
     ),
diff --git a/homeassistant/components/fritzbox/sensor.py b/homeassistant/components/fritzbox/sensor.py
index 0ee7c3e85632..473e68ed5da3 100644
--- a/homeassistant/components/fritzbox/sensor.py
+++ b/homeassistant/components/fritzbox/sensor.py
@@ -10,26 +10,20 @@ from pyfritzhome.fritzhomedevice import FritzhomeDevice
 
 from homeassistant.components.climate.const import PRESET_COMFORT, PRESET_ECO
 from homeassistant.components.sensor import (
-    STATE_CLASS_MEASUREMENT,
-    STATE_CLASS_TOTAL_INCREASING,
+    SensorDeviceClass,
     SensorEntity,
     SensorEntityDescription,
+    SensorStateClass,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
-    DEVICE_CLASS_BATTERY,
-    DEVICE_CLASS_ENERGY,
-    DEVICE_CLASS_HUMIDITY,
-    DEVICE_CLASS_POWER,
-    DEVICE_CLASS_TEMPERATURE,
-    DEVICE_CLASS_TIMESTAMP,
     ENERGY_KILO_WATT_HOUR,
-    ENTITY_CATEGORY_DIAGNOSTIC,
     PERCENTAGE,
     POWER_WATT,
     TEMP_CELSIUS,
 )
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import StateType
 from homeassistant.util.dt import utc_from_timestamp
@@ -58,9 +52,9 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="temperature",
         name="Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
-        device_class=DEVICE_CLASS_TEMPERATURE,
-        state_class=STATE_CLASS_MEASUREMENT,
-        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        entity_category=EntityCategory.DIAGNOSTIC,
         suitable=lambda device: (
             device.has_temperature_sensor and not device.has_thermostat
         ),
@@ -70,8 +64,8 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="humidity",
         name="Humidity",
         native_unit_of_measurement=PERCENTAGE,
-        device_class=DEVICE_CLASS_HUMIDITY,
-        state_class=STATE_CLASS_MEASUREMENT,
+        device_class=SensorDeviceClass.HUMIDITY,
+        state_class=SensorStateClass.MEASUREMENT,
         suitable=lambda device: device.rel_humidity is not None,
         native_value=lambda device: device.rel_humidity,  # type: ignore[no-any-return]
     ),
@@ -79,8 +73,8 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="battery",
         name="Battery",
         native_unit_of_measurement=PERCENTAGE,
-        device_class=DEVICE_CLASS_BATTERY,
-        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
+        device_class=SensorDeviceClass.BATTERY,
+        entity_category=EntityCategory.DIAGNOSTIC,
         suitable=lambda device: device.battery_level is not None,
         native_value=lambda device: device.battery_level,  # type: ignore[no-any-return]
     ),
@@ -88,8 +82,8 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="power_consumption",
         name="Power Consumption",
         native_unit_of_measurement=POWER_WATT,
-        device_class=DEVICE_CLASS_POWER,
-        state_class=STATE_CLASS_MEASUREMENT,
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
         suitable=lambda device: device.has_powermeter,  # type: ignore[no-any-return]
         native_value=lambda device: device.power / 1000 if device.power else 0.0,
     ),
@@ -97,8 +91,8 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="total_energy",
         name="Total Energy",
         native_unit_of_measurement=ENERGY_KILO_WATT_HOUR,
-        device_class=DEVICE_CLASS_ENERGY,
-        state_class=STATE_CLASS_TOTAL_INCREASING,
+        device_class=SensorDeviceClass.ENERGY,
+        state_class=SensorStateClass.TOTAL_INCREASING,
         suitable=lambda device: device.has_powermeter,  # type: ignore[no-any-return]
         native_value=lambda device: device.energy / 1000 if device.energy else 0.0,
     ),
@@ -107,7 +101,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="comfort_temperature",
         name="Comfort Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
-        device_class=DEVICE_CLASS_TEMPERATURE,
+        device_class=SensorDeviceClass.TEMPERATURE,
         suitable=lambda device: device.has_thermostat
         and device.comfort_temperature is not None,
         native_value=lambda device: device.comfort_temperature,  # type: ignore[no-any-return]
@@ -116,7 +110,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="eco_temperature",
         name="Eco Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
-        device_class=DEVICE_CLASS_TEMPERATURE,
+        device_class=SensorDeviceClass.TEMPERATURE,
         suitable=lambda device: device.has_thermostat
         and device.eco_temperature is not None,
         native_value=lambda device: device.eco_temperature,  # type: ignore[no-any-return]
@@ -125,7 +119,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
         key="nextchange_temperature",
         name="Next Scheduled Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
-        device_class=DEVICE_CLASS_TEMPERATURE,
+        device_class=SensorDeviceClass.TEMPERATURE,
         suitable=lambda device: device.has_thermostat
         and device.nextchange_temperature is not None,
         native_value=lambda device: device.nextchange_temperature,  # type: ignore[no-any-return]
@@ -133,7 +127,7 @@ SENSOR_TYPES: Final[tuple[FritzSensorEntityDescription, ...]] = (
     FritzSensorEntityDescription(
         key="nextchange_time",
         name="Next Scheduled Change Time",
-        device_class=DEVICE_CLASS_TIMESTAMP,
+        device_class=SensorDeviceClass.TIMESTAMP,
         suitable=lambda device: device.has_thermostat
         and device.nextchange_endperiod is not None,
         native_value=lambda device: utc_from_timestamp(device.nextchange_endperiod),