diff --git a/homeassistant/components/tplink_omada/entity.py b/homeassistant/components/tplink_omada/entity.py
index bb330ef417a..5008b7e4b18 100644
--- a/homeassistant/components/tplink_omada/entity.py
+++ b/homeassistant/components/tplink_omada/entity.py
@@ -20,14 +20,10 @@ class OmadaDeviceEntity(CoordinatorEntity[OmadaCoordinator[T]], Generic[T]):
         """Initialize the device."""
         super().__init__(coordinator)
         self.device = device
-
-    @property
-    def device_info(self) -> DeviceInfo:
-        """Return information about the device."""
-        return DeviceInfo(
-            connections={(dr.CONNECTION_NETWORK_MAC, self.device.mac)},
-            identifiers={(DOMAIN, (self.device.mac))},
+        self._attr_device_info = DeviceInfo(
+            connections={(dr.CONNECTION_NETWORK_MAC, device.mac)},
+            identifiers={(DOMAIN, device.mac)},
             manufacturer="TP-Link",
-            model=self.device.model_display_name,
-            name=self.device.name,
+            model=device.model_display_name,
+            name=device.name,
         )