diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 0a91368f8b604b3b2bd554e42abf219fae4867d9..c6a5bc7e8118d0cb206b2185a330e925773195cc 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -789,7 +789,6 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
 	struct irq_cfg *cfg = irq_cfg + irq;
 	struct IO_APIC_route_entry entry;
 	cpumask_t mask;
-	unsigned long flags;
 
 	if (!IO_APIC_IRQ(irq))
 		return;