static struct workqueue_struct *periodic_controlvm_workqueue;
 static DEFINE_SEMAPHORE(notifier_lock);
 
-static struct controlvm_message_header g_diag_msg_hdr;
 static struct controlvm_message_header g_chipset_msg_hdr;
 static struct controlvm_message_header g_del_dump_msg_hdr;
 static const uuid_le spar_diag_pool_channel_protocol_uuid =
                        /* save the hdr and cmd structures for later use */
                        /* when sending back the response to Command */
                        my_device_changestate(&inmsg);
-                       g_diag_msg_hdr = inmsg.hdr;
                        g_devicechangestate_packet = inmsg.cmd;
                        break;
                }
                goto cleanup;
        }
 
-       memset(&g_diag_msg_hdr, 0, sizeof(struct controlvm_message_header));
-
        memset(&g_chipset_msg_hdr, 0, sizeof(struct controlvm_message_header));
 
        memset(&g_del_dump_msg_hdr, 0, sizeof(struct controlvm_message_header));
 
        cleanup_controlvm_structures();
 
-       memset(&g_diag_msg_hdr, 0, sizeof(struct controlvm_message_header));
-
        memset(&g_chipset_msg_hdr, 0, sizeof(struct controlvm_message_header));
 
        memset(&g_del_dump_msg_hdr, 0, sizeof(struct controlvm_message_header));