diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
index e6585e5..7769026 100644
--- a/configs/stm32f746-disco_defconfig
+++ b/configs/stm32f746-disco_defconfig
@@ -37,7 +37,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_NETCONSOLE=y
-CONFIG_DM_MMC=y
+# CONFIG_SPL_BLK is not set
 # CONFIG_SPL_DM_MMC is not set
 CONFIG_ARM_PL180_MMCI=y
 CONFIG_MTD=y