diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 339b85c..43ab753 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1608,7 +1608,7 @@
  * SCSI controller interrupt handler.
  */
 irqreturn_t
-ahc_linux_isr(int irq, void *dev_id, struct pt_regs * regs)
+ahc_linux_isr(int irq, void *dev_id)
 {
 	struct	ahc_softc *ahc;
 	u_long	flags;