diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 9eb4657..d21894c 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -431,6 +431,7 @@
 	return 0;
 }
 
+#if 0
 int pci_proc_attach_bus(struct pci_bus* bus)
 {
 	struct proc_dir_entry *de = bus->procdir;
@@ -447,6 +448,7 @@
 	}
 	return 0;
 }
+#endif  /*  0  */
 
 int pci_proc_detach_bus(struct pci_bus* bus)
 {
@@ -612,7 +614,6 @@
 
 #ifdef CONFIG_HOTPLUG
 EXPORT_SYMBOL(pci_proc_attach_device);
-EXPORT_SYMBOL(pci_proc_attach_bus);
 EXPORT_SYMBOL(pci_proc_detach_bus);
 #endif