Index: uspace/drv/audio/hdaudio/hdaudio.c
===================================================================
--- uspace/drv/audio/hdaudio/hdaudio.c	(revision cecba66ea48d60cfa59865e98aeda663808e42c7)
+++ uspace/drv/audio/hdaudio/hdaudio.c	(revision 01c3bb491370247ba1459d7e381e27022f09fed4)
@@ -58,5 +58,5 @@
 static int hda_fun_offline(ddf_fun_t *fun);
 
-static void hdaudio_interrupt(ipc_callid_t, ipc_call_t *, ddf_dev_t *);
+static void hdaudio_interrupt(ipc_call_t *, ddf_dev_t *);
 
 static driver_ops_t driver_ops = {
@@ -368,6 +368,5 @@
 }
 
-static void hdaudio_interrupt(ipc_callid_t iid, ipc_call_t *icall,
-    ddf_dev_t *dev)
+static void hdaudio_interrupt(ipc_call_t *icall, ddf_dev_t *dev)
 {
 	hda_t *hda = (hda_t *)ddf_dev_data_get(dev);
Index: uspace/drv/audio/sb16/main.c
===================================================================
--- uspace/drv/audio/sb16/main.c	(revision cecba66ea48d60cfa59865e98aeda663808e42c7)
+++ uspace/drv/audio/sb16/main.c	(revision 01c3bb491370247ba1459d7e381e27022f09fed4)
@@ -76,5 +76,5 @@
 }
 
-static void irq_handler(ipc_callid_t iid, ipc_call_t *call, ddf_dev_t *dev)
+static void irq_handler(ipc_call_t *call, ddf_dev_t *dev)
 {
 	sb16_t *sb16_dev = ddf_dev_data_get(dev);