diff --git a/sound/oss/ad1848.c b/sound/oss/ad1848.c
index 257b753..0ffa997 100644
--- a/sound/oss/ad1848.c
+++ b/sound/oss/ad1848.c
@@ -195,7 +195,7 @@
 static void     ad1848_halt_input(int dev);
 static void     ad1848_halt_output(int dev);
 static void     ad1848_trigger(int dev, int bits);
-static irqreturn_t adintr(int irq, void *dev_id, struct pt_regs *dummy);
+static irqreturn_t adintr(int irq, void *dev_id);
 
 #ifndef EXCLUDE_TIMERS
 static int ad1848_tmr_install(int dev);
@@ -2196,7 +2196,7 @@
 		printk(KERN_ERR "ad1848: Can't find device to be unloaded. Base=%x\n", io_base);
 }
 
-static irqreturn_t adintr(int irq, void *dev_id, struct pt_regs *dummy)
+static irqreturn_t adintr(int irq, void *dev_id)
 {
 	unsigned char status;
 	ad1848_info *devc;