Index: kernel/generic/include/proc/task.h
===================================================================
--- kernel/generic/include/proc/task.h	(revision ee42e43c628b18c45323f958209e636e51f1bfd0)
+++ kernel/generic/include/proc/task.h	(revision 82783b05bde1033d86da560e64155aa92a4f45be)
@@ -93,9 +93,4 @@
 	phone_t phones[IPC_MAX_PHONES];
 	stats_ipc_t ipc_info;   /**< IPC statistics */
-	/**
-	 * Active asynchronous messages. It is used for limiting uspace to
-	 * certain extent.
-	 */
-	atomic_t active_calls;
 	/** List of synchronous answerboxes. */
 	link_t sync_box_head;