diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index f4e0289246672..777e4d8a8f987 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -186,7 +186,6 @@ u8 acpiphp_get_latch_status(struct acpiphp_slot *slot);
 u8 acpiphp_get_adapter_status(struct acpiphp_slot *slot);
 
 /* variables */
-extern bool acpiphp_debug;
 extern bool acpiphp_disabled;
 
 #endif /* _ACPIPHP_H */