Index: kernel/generic/src/ipc/ipc.c
===================================================================
--- kernel/generic/src/ipc/ipc.c	(revision 9c9903a9bb353997d14ae55d39eb138fd63f1b68)
+++ kernel/generic/src/ipc/ipc.c	(revision 4cd7fd0713fc8a65f5878a0fdb8fdc5ed84c41df)
@@ -448,5 +448,4 @@
 		list_remove(&request->ab_link);
 		atomic_dec(&request->caller_phone->active_calls);
-		ASSERT(atomic_get(&request->caller_phone->active_calls) >= 0);
 	} else if (!list_empty(&box->calls)) {
 		/* Count received call */
@@ -598,5 +597,4 @@
 
 	atomic_dec(&call->caller_phone->active_calls);
-	ASSERT(atomic_get(&call->caller_phone->active_calls) >= 0);
 
 	sysipc_ops_t *ops = sysipc_ops_get(call->request_method);