diff --git a/reactos/include/psdk/objbase.h b/reactos/include/psdk/objbase.h
index b3edaa6da2e..40f370c4a0f 100644
--- a/reactos/include/psdk/objbase.h
+++ b/reactos/include/psdk/objbase.h
@@ -227,8 +227,8 @@
 #define interface struct
 #define DECLARE_INTERFACE(iface)        interface iface
 #define DECLARE_INTERFACE_(iface,ibase) interface iface : public ibase
-#define DECLARE_INTERFACE_IID(iface, iid)             interface DECLSPEC_UUID(iid) DECLSPEC_NOVTABLE iface
-#define DECLARE_INTERFACE_IID_(iface, baseiface, iid) interface DECLSPEC_UUID(iid) DECLSPEC_NOVTABLE iface : public baseiface
+#define DECLARE_INTERFACE_IID(iface, iid)             interface DECLSPEC_UUID(iid) iface
+#define DECLARE_INTERFACE_IID_(iface, baseiface, iid) interface DECLSPEC_UUID(iid) iface : public baseiface
 
 #define BEGIN_INTERFACE
 #define END_INTERFACE