diff --git a/board/freescale/mx31ads/mx31ads.c b/board/freescale/mx31ads/mx31ads.c
index 4d99f49..4dd1e63 100644
--- a/board/freescale/mx31ads/mx31ads.c
+++ b/board/freescale/mx31ads/mx31ads.c
@@ -99,7 +99,6 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
-	gd->bd->bi_arch_number = MACH_TYPE_MX31ADS;	/* board id for linux */
 	gd->bd->bi_boot_params = 0x80000100;	/* adress of boot parameters */
 
 	return 0;
diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h
index adb2ee1..0bea858 100644
--- a/include/configs/mx31ads.h
+++ b/include/configs/mx31ads.h
@@ -35,6 +35,8 @@
 
 #define CONFIG_SYS_TEXT_BASE		0xA0000000
 
+#define CONFIG_MACH_TYPE	MACH_TYPE_MX31ADS
+
 /*
  * Disabled for now due to build problems under Debian and a significant increase
  * in the final file size: 144260 vs. 109536 Bytes.