diff --git a/homeassistant/components/edl21/sensor.py b/homeassistant/components/edl21/sensor.py
index 5b1a677eddb..355d448e301 100644
--- a/homeassistant/components/edl21/sensor.py
+++ b/homeassistant/components/edl21/sensor.py
@@ -32,7 +32,6 @@ from homeassistant.helpers.dispatcher import (
     async_dispatcher_connect,
     async_dispatcher_send,
 )
-from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
@@ -284,7 +283,7 @@ async def async_setup_platform(
         hass,
         DOMAIN,
         "deprecated_yaml",
-        breaks_in_ha_version="2023.5.0",
+        breaks_in_ha_version="2023.2.0",
         is_fixable=False,
         severity=IssueSeverity.WARNING,
         translation_key="deprecated_yaml",
@@ -398,7 +397,7 @@ class EDL21:
             old_entity_id = registry.async_get_entity_id(
                 "sensor", DOMAIN, entity.old_unique_id
             )
-            if old_entity_id is not None and entity.unique_id is not None:
+            if old_entity_id is not None:
                 LOGGER.debug(
                     "Migrating unique_id from [%s] to [%s]",
                     entity.old_unique_id,
@@ -423,6 +422,8 @@ class EDL21Entity(SensorEntity):
         """Initialize an EDL21Entity."""
         self._electricity_id = electricity_id
         self._obis = obis
+        self._name = name
+        self._unique_id = f"{electricity_id}_{obis}"
         self._telegram = telegram
         self._min_time = MIN_TIME_BETWEEN_UPDATES
         self._last_update = utcnow()
@@ -434,12 +435,6 @@ class EDL21Entity(SensorEntity):
         }
         self._async_remove_dispatcher = None
         self.entity_description = entity_description
-        self._attr_name = name
-        self._attr_unique_id = f"{electricity_id}_{obis}"
-        self._attr_device_info = DeviceInfo(
-            identifiers={(DOMAIN, self._electricity_id)},
-            name=self._electricity_id,
-        )
 
     async def async_added_to_hass(self) -> None:
         """Run when entity about to be added to hass."""
@@ -471,11 +466,21 @@ class EDL21Entity(SensorEntity):
         if self._async_remove_dispatcher:
             self._async_remove_dispatcher()
 
+    @property
+    def unique_id(self) -> str:
+        """Return a unique ID."""
+        return self._unique_id
+
     @property
     def old_unique_id(self) -> str:
         """Return a less unique ID as used in the first version of edl21."""
         return self._obis
 
+    @property
+    def name(self) -> str | None:
+        """Return a name."""
+        return self._name
+
     @property
     def native_value(self) -> str:
         """Return the value of the last received telegram."""