diff --git a/homeassistant/components/elmax/binary_sensor.py b/homeassistant/components/elmax/binary_sensor.py
index 6eb4cd654c5..0defbe464f9 100644
--- a/homeassistant/components/elmax/binary_sensor.py
+++ b/homeassistant/components/elmax/binary_sensor.py
@@ -60,12 +60,9 @@ async def async_setup_entry(
 class ElmaxSensor(ElmaxEntity, BinarySensorEntity):
     """Elmax Sensor entity implementation."""
 
+    _attr_device_class = BinarySensorDeviceClass.DOOR
+
     @property
     def is_on(self) -> bool:
         """Return true if the binary sensor is on."""
         return self.coordinator.get_zone_state(self._device.endpoint_id).opened
-
-    @property
-    def device_class(self) -> BinarySensorDeviceClass:
-        """Return the class of this device, from component DEVICE_CLASSES."""
-        return BinarySensorDeviceClass.DOOR
diff --git a/homeassistant/components/elmax/common.py b/homeassistant/components/elmax/common.py
index b593ae399f4..440344fb839 100644
--- a/homeassistant/components/elmax/common.py
+++ b/homeassistant/components/elmax/common.py
@@ -157,35 +157,16 @@ class ElmaxEntity(CoordinatorEntity[ElmaxCoordinator]):
         super().__init__(coordinator=coordinator)
         self._panel = panel
         self._device = elmax_device
-        self._panel_version = panel_version
-        self._client = coordinator.http_client
-
-    @property
-    def panel_id(self) -> str:
-        """Retrieve the panel id."""
-        return self._panel.hash
-
-    @property
-    def unique_id(self) -> str | None:
-        """Provide a unique id for this entity."""
-        return self._device.endpoint_id
-
-    @property
-    def name(self) -> str | None:
-        """Return the entity name."""
-        return self._device.name
-
-    @property
-    def device_info(self) -> DeviceInfo:
-        """Return device specific attributes."""
-        return DeviceInfo(
-            identifiers={(DOMAIN, self._panel.hash)},
-            name=self._panel.get_name_by_user(
-                self.coordinator.http_client.get_authenticated_username()
+        self._attr_unique_id = elmax_device.endpoint_id
+        self._attr_name = elmax_device.name
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, panel.hash)},
+            name=panel.get_name_by_user(
+                coordinator.http_client.get_authenticated_username()
             ),
             manufacturer="Elmax",
-            model=self._panel_version,
-            sw_version=self._panel_version,
+            model=panel_version,
+            sw_version=panel_version,
         )
 
     @property
diff --git a/homeassistant/components/elmax/switch.py b/homeassistant/components/elmax/switch.py
index 431e75a0883..877330892e5 100644
--- a/homeassistant/components/elmax/switch.py
+++ b/homeassistant/components/elmax/switch.py
@@ -68,7 +68,7 @@ class ElmaxSwitch(ElmaxEntity, SwitchEntity):
         return self.coordinator.get_actuator_state(self._device.endpoint_id).opened
 
     async def _wait_for_state_change(self) -> bool:
-        """Refresh data and wait until the state state changes."""
+        """Refresh data and wait until the state changes."""
         old_state = self.coordinator.get_actuator_state(self._device.endpoint_id).opened
 
         # Wait a bit at first to let Elmax cloud assimilate the new state.