diff --git a/configs/p2571_defconfig b/configs/p2571_defconfig
index 1fd4649..fece81b 100644
--- a/configs/p2571_defconfig
+++ b/configs/p2571_defconfig
@@ -28,6 +28,7 @@
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+# CONFIG_BLK is not set
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y