From 8f51192cf05cfe037cf23e170deed1462b3d4052 Mon Sep 17 00:00:00 2001
From: Quentame <polletquentin74@me.com>
Date: Sun, 31 Oct 2021 19:23:40 +0100
Subject: [PATCH] Cleanup old entity.unique_id migration from Synology DSM
 (#58811)

Created on 2nd of june 2020 from #35565
---
 .../components/synology_dsm/__init__.py       | 75 +------------------
 1 file changed, 3 insertions(+), 72 deletions(-)

diff --git a/homeassistant/components/synology_dsm/__init__.py b/homeassistant/components/synology_dsm/__init__.py
index a8e35178be4..bbc78ba42a3 100644
--- a/homeassistant/components/synology_dsm/__init__.py
+++ b/homeassistant/components/synology_dsm/__init__.py
@@ -42,7 +42,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
-from homeassistant.helpers import device_registry, entity_registry
+from homeassistant.helpers import device_registry
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.device_registry import (
     DeviceEntry,
@@ -70,13 +70,9 @@ from .const import (
     SERVICE_REBOOT,
     SERVICE_SHUTDOWN,
     SERVICES,
-    STORAGE_DISK_BINARY_SENSORS,
-    STORAGE_DISK_SENSORS,
-    STORAGE_VOL_SENSORS,
     SYNO_API,
     SYSTEM_LOADED,
     UNDO_UPDATE_LISTENER,
-    UTILISATION_SENSORS,
     SynologyDSMEntityDescription,
 )
 
@@ -89,75 +85,10 @@ ATTRIBUTION = "Data provided by Synology"
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_setup_entry(  # noqa: C901
-    hass: HomeAssistant, entry: ConfigEntry
-) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Synology DSM sensors."""
 
-    # Migrate old unique_id
-    @callback
-    def _async_migrator(
-        entity_entry: entity_registry.RegistryEntry,
-    ) -> dict[str, str] | None:
-        """Migrate away from ID using label."""
-        # Reject if new unique_id
-        if "SYNO." in entity_entry.unique_id:
-            return None
-
-        entries = (
-            *STORAGE_DISK_BINARY_SENSORS,
-            *STORAGE_DISK_SENSORS,
-            *STORAGE_VOL_SENSORS,
-            *UTILISATION_SENSORS,
-        )
-        infos = entity_entry.unique_id.split("_")
-        serial = infos.pop(0)
-        label = infos.pop(0)
-        device_id = "_".join(infos)
-
-        # Removed entity
-        if (
-            "Type" in entity_entry.unique_id
-            or "Device" in entity_entry.unique_id
-            or "Name" in entity_entry.unique_id
-        ):
-            return None
-
-        entity_type: str | None = None
-        for description in entries:
-            if (
-                device_id
-                and description.name == "Status"
-                and "Status" in entity_entry.unique_id
-                and "(Smart)" not in entity_entry.unique_id
-            ):
-                if "sd" in device_id and "disk" in description.key:
-                    entity_type = description.key
-                    continue
-                if "volume" in device_id and "volume" in description.key:
-                    entity_type = description.key
-                    continue
-
-            if description.name == label:
-                entity_type = description.key
-
-        if entity_type is None:
-            return None
-
-        new_unique_id = "_".join([serial, entity_type])
-        if device_id:
-            new_unique_id += f"_{device_id}"
-
-        _LOGGER.info(
-            "Migrating unique_id from [%s] to [%s]",
-            entity_entry.unique_id,
-            new_unique_id,
-        )
-        return {"new_unique_id": new_unique_id}
-
-    await entity_registry.async_migrate_entries(hass, entry.entry_id, _async_migrator)
-
-    # migrate device indetifiers
+    # Migrate device indentifiers
     dev_reg = await get_dev_reg(hass)
     devices: list[DeviceEntry] = device_registry.async_entries_for_config_entry(
         dev_reg, entry.entry_id