diff --git a/include/asm-v850/irq.h b/include/asm-v850/irq.h
index 1bf096db8f4c258f2d71abd83414bb4611ee79bf..88687c181f01234e8463ef0581f93e983c0542fe 100644
--- a/include/asm-v850/irq.h
+++ b/include/asm-v850/irq.h
@@ -46,8 +46,6 @@ extern void
 init_irq_handlers (int base_irq, int num, int interval,
 		   struct hw_interrupt_type *irq_type);
 
-typedef void (*irq_handler_t)(int irq, void *data, struct pt_regs *regs);
-
 /* Handle interrupt IRQ.  REGS are the registers at the time of ther
    interrupt.  */
 extern unsigned int handle_irq (int irq, struct pt_regs *regs);