diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index 22dcac9a3b..13c6393350 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -340,6 +340,8 @@ static void aspeed_soc_class_init(ObjectClass *oc, void *data)
 
     sc->info = (AspeedSoCInfo *) data;
     dc->realize = aspeed_soc_realize;
+    /* Reason: Uses serial_hds and nd_table in realize() directly */
+    dc->user_creatable = false;
 }
 
 static const TypeInfo aspeed_soc_type_info = {