diff --git a/configs/x600_defconfig b/configs/x600_defconfig
index ace620ba3a..14977dca8a 100644
--- a/configs/x600_defconfig
+++ b/configs/x600_defconfig
@@ -22,3 +22,4 @@ CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_USE_TINY_PRINTF=y
 CONFIG_OF_LIBFDT=y
+# CONFIG_EFI_LOADER is not set