diff --git a/configs/ea20_defconfig b/configs/ea20_defconfig
index 7e1cefd..bb6d3f1 100644
--- a/configs/ea20_defconfig
+++ b/configs/ea20_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_DAVINCI=y
 CONFIG_TARGET_EA20=y
+# CONFIG_MMC is not set
 CONFIG_VIDEO=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set