Index: kernel/generic/include/proc/task.h
===================================================================
--- kernel/generic/include/proc/task.h	(revision 5d0500cf34f298133f120c2783fb8ef7d5fb2e9c)
+++ kernel/generic/include/proc/task.h	(revision 504f1756af7f6b22cf98336d6d392d5b3226a3de)
@@ -94,5 +94,4 @@
 	phone_t phones[IPC_MAX_PHONES];
 	stats_ipc_t ipc_info;   /**< IPC statistics */
-	list_t sync_boxes;      /**< List of synchronous answerboxes. */
 	event_t events[EVENT_TASK_END - EVENT_END];