diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 6b8c4cfd02a6..31a633f65547 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -1,4 +1,3 @@
-extern struct bus_type pnp_bus_type;
 extern spinlock_t pnp_lock;
 void *pnp_alloc(long size);
 int pnp_interface_attach_device(struct pnp_dev *dev);
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index ab8a8dd8d64c..9a5226f0f169 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -352,6 +352,8 @@ struct pnp_protocol {
 	(dev) = protocol_to_pnp_dev((dev)->protocol_list.next))
 
 
+extern struct bus_type pnp_bus_type;
+
 #if defined(CONFIG_PNP)
 
 /* device management */