diff --git a/arch/arm/mach-s3c/irq-uart-s3c64xx.h b/arch/arm/mach-s3c/irq-uart-s3c64xx.h
index 78eccdce95a7..e754b0359c8a 100644
--- a/arch/arm/mach-s3c/irq-uart-s3c64xx.h
+++ b/arch/arm/mach-s3c/irq-uart-s3c64xx.h
@@ -12,5 +12,3 @@ struct s3c_uart_irq {
 	unsigned int	 parent_irq;
 };
 
-extern void s3c_init_uart_irqs(struct s3c_uart_irq *irq, unsigned int nr_irqs);
-