diff --git a/homeassistant/components/config/entity_registry.py b/homeassistant/components/config/entity_registry.py
index ea75ac4d043..e006cd8062e 100644
--- a/homeassistant/components/config/entity_registry.py
+++ b/homeassistant/components/config/entity_registry.py
@@ -238,6 +238,7 @@ def _entry_dict(entry: er.RegistryEntry) -> dict[str, Any]:
         "hidden_by": entry.hidden_by,
         "icon": entry.icon,
         "id": entry.id,
+        "unique_id": entry.unique_id,
         "name": entry.name,
         "original_name": entry.original_name,
         "platform": entry.platform,
@@ -253,5 +254,4 @@ def _entry_ext_dict(entry: er.RegistryEntry) -> dict[str, Any]:
     data["options"] = entry.options
     data["original_device_class"] = entry.original_device_class
     data["original_icon"] = entry.original_icon
-    data["unique_id"] = entry.unique_id
     return data
diff --git a/tests/components/config/test_entity_registry.py b/tests/components/config/test_entity_registry.py
index 30153195eec..2f4cd980d8e 100644
--- a/tests/components/config/test_entity_registry.py
+++ b/tests/components/config/test_entity_registry.py
@@ -70,6 +70,7 @@ async def test_list_entities(hass, client):
             "hidden_by": None,
             "icon": None,
             "id": ANY,
+            "unique_id": ANY,
             "name": "Hello World",
             "original_name": None,
             "platform": "test_platform",
@@ -85,6 +86,7 @@ async def test_list_entities(hass, client):
             "hidden_by": None,
             "icon": None,
             "id": ANY,
+            "unique_id": ANY,
             "name": None,
             "original_name": None,
             "platform": "test_platform",
@@ -122,6 +124,7 @@ async def test_list_entities(hass, client):
             "hidden_by": None,
             "icon": None,
             "id": ANY,
+            "unique_id": ANY,
             "name": "Hello World",
             "original_name": None,
             "platform": "test_platform",