diff --git a/homeassistant/components/switch/__init__.py b/homeassistant/components/switch/__init__.py
index 7387685187a..6eb2a275e18 100644
--- a/homeassistant/components/switch/__init__.py
+++ b/homeassistant/components/switch/__init__.py
@@ -93,17 +93,17 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 class SwitchEntityDescription(ToggleEntityDescription):
     """A class that describes switch entities."""
 
-    device_class: SwitchDeviceClass | str | None = None
+    device_class: SwitchDeviceClass | None = None
 
 
 class SwitchEntity(ToggleEntity):
     """Base class for switch entities."""
 
     entity_description: SwitchEntityDescription
-    _attr_device_class: SwitchDeviceClass | str | None
+    _attr_device_class: SwitchDeviceClass | None
 
     @property
-    def device_class(self) -> SwitchDeviceClass | str | None:
+    def device_class(self) -> SwitchDeviceClass | None:
         """Return the class of this entity."""
         if hasattr(self, "_attr_device_class"):
             return self._attr_device_class
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index 1908a85ed9b..4f7b9053ca0 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -2269,7 +2269,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
             matches=[
                 TypeHintMatch(
                     function_name="device_class",
-                    return_type=["SwitchDeviceClass", "str", None],
+                    return_type=["SwitchDeviceClass", None],
                 ),
             ],
         ),