diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index d8e32e111632..93c7f35db5d0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -471,8 +471,6 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max)
 	}
 }
 
-unsigned int pci_scan_child_bus(struct pci_bus *bus);
-
 /*
  * If it's a bridge, configure it and scan the bus behind it.
  * For CardBus bridges, we don't scan behind as the devices will