Index: uspace/srv/hid/input/port/ns16550.c
===================================================================
--- uspace/srv/hid/input/port/ns16550.c	(revision 42a619b240617c4f0e4dd04ddf2366f3c5a0709a)
+++ uspace/srv/hid/input/port/ns16550.c	(revision 5da719915787705f661397f14e439ebeb2aaf2f1)
@@ -38,5 +38,4 @@
 #include <ipc/irc.h>
 #include <async.h>
-#include <async_obsolete.h>
 #include <sysinfo.h>
 #include <input.h>
@@ -158,7 +157,9 @@
 	kbd_push_data(kbd_dev, IPC_GET_ARG2(*call));
 	
-	if (irc_service)
-		async_obsolete_msg_1(irc_phone, IRC_CLEAR_INTERRUPT,
-		    IPC_GET_IMETHOD(*call));
+	if (irc_service) {
+		async_exch_t *exch = async_exchange_begin(irc_sess);
+		async_msg_1(exch, IRC_CLEAR_INTERRUPT, IPC_GET_IMETHOD(*call));
+		async_exchange_end(exch);
+	}
 }