diff --git a/configs/maxbcm_defconfig b/configs/maxbcm_defconfig
index 93b0367..39992e8 100644
--- a/configs/maxbcm_defconfig
+++ b/configs/maxbcm_defconfig
@@ -8,6 +8,7 @@
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
+# CONFIG_MMC is not set
 CONFIG_DEFAULT_DEVICE_TREE="armada-xp-maxbcm"
 CONFIG_BOOTDELAY=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y