diff --git a/include/linux/compat.h b/include/linux/compat.h
index d129780312281635d28930632ff743eb1d0a5091..38549baa251d7ea88a299cb7b27d60c3d6c3e2b6 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -24,34 +24,6 @@ struct p_current{
 
 extern struct p_current *current;
 
-/* avoid conflict with <dm/device.h> */
-#ifdef dev_dbg
-#undef dev_dbg
-#endif
-#ifdef dev_vdbg
-#undef dev_vdbg
-#endif
-#ifdef dev_info
-#undef dev_info
-#endif
-#ifdef dev_err
-#undef dev_err
-#endif
-#ifdef dev_warn
-#undef dev_warn
-#endif
-
-#define dev_dbg(dev, fmt, args...)		\
-	debug(fmt, ##args)
-#define dev_vdbg(dev, fmt, args...)		\
-	debug(fmt, ##args)
-#define dev_info(dev, fmt, args...)		\
-	printf(fmt, ##args)
-#define dev_err(dev, fmt, args...)		\
-	printf(fmt, ##args)
-#define dev_warn(dev, fmt, args...)		\
-	printf(fmt, ##args)
-
 #define GFP_ATOMIC ((gfp_t) 0)
 #define GFP_KERNEL ((gfp_t) 0)
 #define GFP_NOFS ((gfp_t) 0)