diff --git a/src/include/device/device.h b/src/include/device/device.h
index 676da65..d6f80ce 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -275,8 +275,6 @@
 void tolm_test(void *gp, struct device *dev, struct resource *new);
 u32 find_pci_tolm(struct bus *bus);
 
-DEVTREE_CONST struct device *dev_find_slot(unsigned int bus,
-						unsigned int devfn);
 DEVTREE_CONST struct device *dev_find_next_pci_device(
 				DEVTREE_CONST struct device *previous_dev);
 DEVTREE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus,
@@ -292,6 +290,10 @@
 DEVTREE_CONST struct device *pcidev_on_root(uint8_t dev, uint8_t fn);
 DEVTREE_CONST struct bus *pci_root_bus(void);
 
+/* To be deprecated, avoid using. */
+DEVTREE_CONST struct device *dev_find_slot(unsigned int bus, unsigned int devfn);
+DEVTREE_CONST struct device *pcidev_path_on_root_debug(pci_devfn_t devfn, const char *func);
+
 void scan_smbus(struct device *bus);
 void scan_generic_bus(struct device *bus);
 void scan_static_bus(struct device *bus);