Index: kernel/generic/src/ipc/ipc.c
===================================================================
--- kernel/generic/src/ipc/ipc.c	(revision d891cba81ad1b34054ca7c7caa8e59077dbb988d)
+++ kernel/generic/src/ipc/ipc.c	(revision ffc1b1dbcf8a3ea33f630e7788d4e62f80c5da37)
@@ -502,6 +502,4 @@
 		call_t *call = list_get_instance(list_first(lst), call_t,
 		    ab_link);
-		if (call->buffer)
-			free(call->buffer);
 		
 		list_remove(&call->ab_link);