Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 27517)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 27518)
@@ -282,4 +282,5 @@
                  "                            [--teleporterpassword <password>]\n"
                  "                            [--hardwareuuid <uuid>]\n"
+#if 0
                  "                            [--iomgr simple|async]\n"
                  "                            [--iobackend buffered|unbuffered]\n"
@@ -287,4 +288,5 @@
                  "                            [--iocachesize <I/O cache size in MB>]\n"
                  "                            [--iobandwidthmax <Maximum I/O bandwidth in MB>]\n"
+#endif
                 );
         RTPrintf("\n");