diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h
index bf2e37493e04c6b28544779377cc72d8ce21a2e2..a681d02cb324c02a4d1f39cf0d5b1b301901d271 100644
--- a/arch/ia64/include/asm/hw_irq.h
+++ b/arch/ia64/include/asm/hw_irq.h
@@ -151,9 +151,6 @@ static inline void ia64_native_resend_irq(unsigned int vector)
 /*
  * Default implementations for the irq-descriptor API:
  */
-
-extern struct irq_desc irq_desc[NR_IRQS];
-
 #ifndef CONFIG_IA64_GENERIC
 static inline ia64_vector __ia64_irq_to_vector(int irq)
 {