diff --git a/homeassistant/components/tplink/sensor.py b/homeassistant/components/tplink/sensor.py
index 0ffe375e6ff..fe9cb699114 100644
--- a/homeassistant/components/tplink/sensor.py
+++ b/homeassistant/components/tplink/sensor.py
@@ -7,18 +7,14 @@ from typing import cast
 from kasa import SmartDevice
 
 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 (
     ATTR_VOLTAGE,
-    DEVICE_CLASS_CURRENT,
-    DEVICE_CLASS_ENERGY,
-    DEVICE_CLASS_POWER,
-    DEVICE_CLASS_VOLTAGE,
     ELECTRIC_CURRENT_AMPERE,
     ELECTRIC_POTENTIAL_VOLT,
     ENERGY_KILO_WATT_HOUR,
@@ -51,8 +47,8 @@ ENERGY_SENSORS: tuple[TPLinkSensorEntityDescription, ...] = (
     TPLinkSensorEntityDescription(
         key=ATTR_CURRENT_POWER_W,
         native_unit_of_measurement=POWER_WATT,
-        device_class=DEVICE_CLASS_POWER,
-        state_class=STATE_CLASS_MEASUREMENT,
+        device_class=SensorDeviceClass.POWER,
+        state_class=SensorStateClass.MEASUREMENT,
         name="Current Consumption",
         emeter_attr="power",
         precision=1,
@@ -60,8 +56,8 @@ ENERGY_SENSORS: tuple[TPLinkSensorEntityDescription, ...] = (
     TPLinkSensorEntityDescription(
         key=ATTR_TOTAL_ENERGY_KWH,
         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,
         name="Total Consumption",
         emeter_attr="total",
         precision=3,
@@ -69,16 +65,16 @@ ENERGY_SENSORS: tuple[TPLinkSensorEntityDescription, ...] = (
     TPLinkSensorEntityDescription(
         key=ATTR_TODAY_ENERGY_KWH,
         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,
         name="Today's Consumption",
         precision=3,
     ),
     TPLinkSensorEntityDescription(
         key=ATTR_VOLTAGE,
         native_unit_of_measurement=ELECTRIC_POTENTIAL_VOLT,
-        device_class=DEVICE_CLASS_VOLTAGE,
-        state_class=STATE_CLASS_MEASUREMENT,
+        device_class=SensorDeviceClass.VOLTAGE,
+        state_class=SensorStateClass.MEASUREMENT,
         name="Voltage",
         emeter_attr="voltage",
         precision=1,
@@ -86,8 +82,8 @@ ENERGY_SENSORS: tuple[TPLinkSensorEntityDescription, ...] = (
     TPLinkSensorEntityDescription(
         key=ATTR_CURRENT_A,
         native_unit_of_measurement=ELECTRIC_CURRENT_AMPERE,
-        device_class=DEVICE_CLASS_CURRENT,
-        state_class=STATE_CLASS_MEASUREMENT,
+        device_class=SensorDeviceClass.CURRENT,
+        state_class=SensorStateClass.MEASUREMENT,
         name="Current",
         emeter_attr="current",
         precision=2,
diff --git a/homeassistant/components/tplink/switch.py b/homeassistant/components/tplink/switch.py
index 927765d15f7..eb1094b7675 100644
--- a/homeassistant/components/tplink/switch.py
+++ b/homeassistant/components/tplink/switch.py
@@ -8,8 +8,8 @@ from kasa import SmartDevice
 
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import ENTITY_CATEGORY_CONFIG
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from . import legacy_device_id
@@ -49,7 +49,7 @@ class SmartPlugLedSwitch(CoordinatedTPLinkEntity, SwitchEntity):
 
     coordinator: TPLinkDataUpdateCoordinator
 
-    _attr_entity_category = ENTITY_CATEGORY_CONFIG
+    _attr_entity_category = EntityCategory.CONFIG
 
     def __init__(
         self, device: SmartDevice, coordinator: TPLinkDataUpdateCoordinator