diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index eaa26270a5e574bae3db56202a22434c4c4b930f..8ebc2aa5f3e1331fd0c84f2ba54675a4128a06a2 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -24,13 +24,6 @@ struct boot_param_header;
 extern void __dt_setup_arch(void *bph);
 extern int __dt_register_buses(const char *bus0, const char *bus1);
 
-#define dt_setup_arch(sym)						\
-({									\
-	extern char __dtb_##sym##_begin[];				\
-									\
-	__dt_setup_arch(__dtb_##sym##_begin);				\
-})
-
 #else /* CONFIG_OF */
 static inline void device_tree_init(void) { }
 #endif /* CONFIG_OF */