diff --git a/homeassistant/components/openhome/media_player.py b/homeassistant/components/openhome/media_player.py
index efc6ab37f21..51d7774a2fb 100644
--- a/homeassistant/components/openhome/media_player.py
+++ b/homeassistant/components/openhome/media_player.py
@@ -102,26 +102,23 @@ def catch_request_errors() -> (
 class OpenhomeDevice(MediaPlayerEntity):
     """Representation of an Openhome device."""
 
+    _attr_supported_features = SUPPORT_OPENHOME
+    _attr_state = MediaPlayerState.PLAYING
+    _attr_available = True
+
     def __init__(self, hass, device):
         """Initialise the Openhome device."""
         self.hass = hass
         self._device = device
         self._attr_unique_id = device.uuid()
-        self._attr_supported_features = SUPPORT_OPENHOME
         self._source_index = {}
-        self._attr_state = MediaPlayerState.PLAYING
-        self._attr_available = True
-
-    @property
-    def device_info(self):
-        """Return a device description for device registry."""
-        return DeviceInfo(
+        self._attr_device_info = DeviceInfo(
             identifiers={
-                (DOMAIN, self._device.uuid()),
+                (DOMAIN, device.uuid()),
             },
-            manufacturer=self._device.manufacturer(),
-            model=self._device.model_name(),
-            name=self._device.friendly_name(),
+            manufacturer=device.manufacturer(),
+            model=device.model_name(),
+            name=device.friendly_name(),
         )
 
     async def async_update(self) -> None:
diff --git a/homeassistant/components/openhome/update.py b/homeassistant/components/openhome/update.py
index 9013e50030f..691776e4dfd 100644
--- a/homeassistant/components/openhome/update.py
+++ b/homeassistant/components/openhome/update.py
@@ -54,17 +54,13 @@ class OpenhomeUpdateEntity(UpdateEntity):
         """Initialize a Linn DS update entity."""
         self._device = device
         self._attr_unique_id = f"{device.uuid()}-update"
-
-    @property
-    def device_info(self):
-        """Return a device description for device registry."""
-        return DeviceInfo(
+        self._attr_device_info = DeviceInfo(
             identifiers={
-                (DOMAIN, self._device.uuid()),
+                (DOMAIN, device.uuid()),
             },
-            manufacturer=self._device.manufacturer(),
-            model=self._device.model_name(),
-            name=self._device.friendly_name(),
+            manufacturer=device.manufacturer(),
+            model=device.model_name(),
+            name=device.friendly_name(),
         )
 
     async def async_update(self) -> None: