--- a/backport-include/linux/of_net.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef _BP_OF_NET_H
-#define _BP_OF_NET_H
-#include_next <linux/of_net.h>
-#include <linux/version.h>
-#include <linux/etherdevice.h>
-
-/* The behavior of of_get_mac_address() changed in kernel 5.2, it now
- * returns an error code and not NULL in case of an error.
- */
-#if LINUX_VERSION_IS_LESS(5,13,0)
-static inline int backport_of_get_mac_address(struct device_node *np, u8 *mac_out)
-{
-	const void *mac = of_get_mac_address(np);
-
-	if (!mac)
-		return -ENODEV;
-	if (IS_ERR(mac))
-		return PTR_ERR(mac);
-	ether_addr_copy(mac_out, mac);
-	
-	return 0;
-}
-#define of_get_mac_address LINUX_BACKPORT(of_get_mac_address)
-#endif /* < 5.2 */
-
-#endif /* _BP_OF_NET_H */