From 877e44e3c9016acc712f1215a294c5314c89c3a8 Mon Sep 17 00:00:00 2001
From: Artur Pragacz <49985303+arturpragacz@users.noreply.github.com>
Date: Mon, 20 Jan 2025 09:37:32 +0100
Subject: [PATCH] Remove redundant device update code (#134100)

Remove redundant device update steps
---
 homeassistant/helpers/device_registry.py | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/homeassistant/helpers/device_registry.py b/homeassistant/helpers/device_registry.py
index 981430f192d..2890f607d59 100644
--- a/homeassistant/helpers/device_registry.py
+++ b/homeassistant/helpers/device_registry.py
@@ -958,16 +958,6 @@ class DeviceRegistry(BaseRegistry[dict[str, list[dict[str, Any]]]]):
             new_values["config_entries"] = config_entries
             old_values["config_entries"] = old.config_entries
 
-        for attr_name, setvalue in (
-            ("connections", merge_connections),
-            ("identifiers", merge_identifiers),
-        ):
-            old_value = getattr(old, attr_name)
-            # If not undefined, check if `value` contains new items.
-            if setvalue is not UNDEFINED and not setvalue.issubset(old_value):
-                new_values[attr_name] = old_value | setvalue
-                old_values[attr_name] = old_value
-
         if merge_connections is not UNDEFINED:
             normalized_connections = self._validate_connections(
                 device_id,