diff --git a/lib/util/settings.schema.json b/lib/util/settings.schema.json
index 8fdbe1682..2f2855eb0 100644
--- a/lib/util/settings.schema.json
+++ b/lib/util/settings.schema.json
@@ -704,10 +704,6 @@
           "description": "Allows to prevent certain attributes from being published"
         }
       },
-      "additionalProperties": {
-        "type": "string",
-        "title": "Device specific property"
-      },
       "required": ["friendly_name"]
     },
     "group": {