diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 24a43d4e993334771e4553af7643ebb055694fcd..70741c8c46a0cae82069ea1eba5ffc8e98a3d834 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -920,7 +920,7 @@ void acpiphp_enumerate_slots(struct pci_bus *bus)
 	kfree(bridge);
 }
 
-void acpiphp_drop_bridge(struct acpiphp_bridge *bridge)
+static void acpiphp_drop_bridge(struct acpiphp_bridge *bridge)
 {
 	if (pci_is_root_bus(bridge->pci_bus)) {
 		struct acpiphp_root_context *root_context;