diff --git a/include/configs/AR405.h b/include/configs/AR405.h
index 73e34bd..52ead43 100644
--- a/include/configs/AR405.h
+++ b/include/configs/AR405.h
@@ -93,6 +93,7 @@
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_MII
+#undef CONFIG_CMD_NFS
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_BSP