diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h
index 57e2a6db367c800e972278b698687e6cfc568b1e..bb100c40dfad8f2ef6838f90d321a6fdf4afc428 100644
--- a/include/configs/mx25pdk.h
+++ b/include/configs/mx25pdk.h
@@ -58,8 +58,6 @@
 #define CONFIG_ENV_SIZE        (8 * 1024)
 #define CONFIG_SYS_MMC_ENV_DEV		0
 
-#define CONFIG_SYS_MMC_ENV_DEV 0
-
 /* U-Boot general configuration */
 #define CONFIG_AUTO_COMPLETE
 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size  */