diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 1a341444258373a418d9ad4e6894c8519d662e7b..ec52e0c045c4df12f8a2ce53dcd54b677a0a0dce 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -116,8 +116,6 @@ static int __init parse_noapic(char *str)
 }
 early_param("noapic", parse_noapic);
 
-struct irq_pin_list;
-
 /*
  * This is performance-critical, we want to do it O(1)
  *