diff --git a/homeassistant/components/velbus/__init__.py b/homeassistant/components/velbus/__init__.py
index be5ce04051c..a63a533e487 100644
--- a/homeassistant/components/velbus/__init__.py
+++ b/homeassistant/components/velbus/__init__.py
@@ -169,26 +169,23 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 class VelbusEntity(Entity):
     """Representation of a Velbus entity."""
 
+    _attr_should_poll: bool = False
+
     def __init__(self, channel: VelbusChannel) -> None:
         """Initialize a Velbus entity."""
         self._channel = channel
-
-    @property
-    def unique_id(self) -> str:
-        """Get unique ID."""
-        if (serial := self._channel.get_module_serial()) == "":
-            serial = str(self._channel.get_module_address())
-        return f"{serial}-{self._channel.get_channel_number()}"
-
-    @property
-    def name(self) -> str:
-        """Return the display name of this entity."""
-        return self._channel.get_name()
-
-    @property
-    def should_poll(self) -> bool:
-        """Disable polling."""
-        return False
+        self._attr_name = channel.get_name()
+        self._attr_device_info = DeviceInfo(
+            identifiers={
+                (DOMAIN, str(channel.get_module_address())),
+            },
+            manufacturer="Velleman",
+            model=channel.get_module_type_name(),
+            name=channel.get_full_name(),
+            sw_version=channel.get_module_sw_version(),
+        )
+        serial = channel.get_module_serial() or str(channel.get_module_address())
+        self._attr_unique_id = f"{serial}-{channel.get_channel_number()}"
 
     async def async_added_to_hass(self) -> None:
         """Add listener for state changes."""
@@ -196,16 +193,3 @@ class VelbusEntity(Entity):
 
     async def _on_update(self) -> None:
         self.async_write_ha_state()
-
-    @property
-    def device_info(self) -> DeviceInfo:
-        """Return the device info."""
-        return DeviceInfo(
-            identifiers={
-                (DOMAIN, str(self._channel.get_module_address())),
-            },
-            manufacturer="Velleman",
-            model=self._channel.get_module_type_name(),
-            name=self._channel.get_full_name(),
-            sw_version=self._channel.get_module_sw_version(),
-        )
diff --git a/homeassistant/components/velbus/light.py b/homeassistant/components/velbus/light.py
index ad0b150bf22..bd903c76790 100644
--- a/homeassistant/components/velbus/light.py
+++ b/homeassistant/components/velbus/light.py
@@ -51,11 +51,6 @@ class VelbusLight(VelbusEntity, LightEntity):
     _channel: VelbusDimmer
     _attr_supported_feature = SUPPORT_BRIGHTNESS | SUPPORT_TRANSITION
 
-    def __init__(self, channel: VelbusDimmer) -> None:
-        """Initialize the dimmer."""
-        super().__init__(channel)
-        self._attr_name = self._channel.get_name()
-
     @property
     def is_on(self) -> bool:
         """Return true if the light is on."""
diff --git a/homeassistant/components/velbus/sensor.py b/homeassistant/components/velbus/sensor.py
index 8534a32080e..34642dd3bf1 100644
--- a/homeassistant/components/velbus/sensor.py
+++ b/homeassistant/components/velbus/sensor.py
@@ -50,33 +50,32 @@ class VelbusSensor(VelbusEntity, SensorEntity):
         """Initialize a sensor Velbus entity."""
         super().__init__(channel)
         self._is_counter: bool = counter
-
-    @property
-    def unique_id(self) -> str:
-        """Return unique ID for counter sensors."""
-        unique_id = super().unique_id
+        # define the unique id
         if self._is_counter:
-            unique_id = f"{unique_id}-counter"
-        return unique_id
-
-    @property
-    def name(self) -> str:
-        """Return the name for the sensor."""
-        name = super().name
+            self._attr_unique_id = f"{self._attr_unique_id}-counter"
+        # define the name
         if self._is_counter:
-            name = f"{name}-counter"
-        return name
-
-    @property
-    def device_class(self) -> str | None:
-        """Return the device class of the sensor."""
+            self._attr_name = f"{self._attr_name}-counter"
+        # define the device class
         if self._is_counter:
-            return DEVICE_CLASS_ENERGY
-        if self._channel.is_counter_channel():
-            return DEVICE_CLASS_POWER
-        if self._channel.is_temperature():
-            return DEVICE_CLASS_TEMPERATURE
-        return None
+            self._attr_device_class = DEVICE_CLASS_ENERGY
+        elif channel.is_counter_channel():
+            self._attr_device_class = DEVICE_CLASS_POWER
+        elif channel.is_temperature():
+            self._attr_device_class = DEVICE_CLASS_TEMPERATURE
+        # define the icon
+        if self._is_counter:
+            self._attr_icon = "mdi:counter"
+        # the state class
+        if self._is_counter:
+            self._attr_state_class = STATE_CLASS_TOTAL_INCREASING
+        else:
+            self._attr_state_class = STATE_CLASS_MEASUREMENT
+        # unit
+        if self._is_counter:
+            self._attr_native_unit_of_measurement = channel.get_counter_unit()
+        else:
+            self._attr_native_unit_of_measurement = channel.get_unit()
 
     @property
     def native_value(self) -> float | int | None:
@@ -84,24 +83,3 @@ class VelbusSensor(VelbusEntity, SensorEntity):
         if self._is_counter:
             return float(self._channel.get_counter_state())
         return float(self._channel.get_state())
-
-    @property
-    def native_unit_of_measurement(self) -> str:
-        """Return the unit this state is expressed in."""
-        if self._is_counter:
-            return str(self._channel.get_counter_unit())
-        return str(self._channel.get_unit())
-
-    @property
-    def icon(self) -> str | None:
-        """Icon to use in the frontend."""
-        if self._is_counter:
-            return "mdi:counter"
-        return None
-
-    @property
-    def state_class(self) -> str:
-        """Return the state class of this device."""
-        if self._is_counter:
-            return STATE_CLASS_TOTAL_INCREASING
-        return STATE_CLASS_MEASUREMENT