diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 01e2cf0bdeb10a60bbfb967d9dae2880b2f9827f..103517d9f8e6a6990f80efefb99ed2f067f0efdf 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -519,12 +519,6 @@ void __init init_IRQ(void)
 	}
 
 #ifdef CONFIG_SMP
-	/*
-	 * IRQ0 must be given a fixed assignment and initialized,
-	 * because it's used before the IO-APIC is set up.
-	 */
-	__get_cpu_var(vector_irq)[FIRST_DEVICE_VECTOR] = 0;
-
 	/*
 	 * The reschedule interrupt is a CPU-to-CPU reschedule-helper
 	 * IPI, driven by wakeup.