diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index a3328bb147b9..7709cd865fff 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2265,7 +2265,7 @@ static void mxser_transmit_chars(struct mxser_port *port)
 /*
  * This is the serial driver's generic interrupt routine
  */
-static irqreturn_t mxser_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mxser_interrupt(int irq, void *dev_id)
 {
 	int status, iir, i;
 	struct mxser_board *brd = NULL;