diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index a19801d20b..4d6617eab7 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -44,7 +44,6 @@ struct HostMemoryBackendClass {
  *
  * @parent: opaque parent object container
  * @size: amount of memory backend provides
- * @id: unique identification string in memdev namespace
  * @mr: MemoryRegion representing host memory belonging to backend
  */
 struct HostMemoryBackend {