diff --git a/configs/bcm958305k_defconfig b/configs/bcm958305k_defconfig
index 00f6f13..8077c4a 100644
--- a/configs/bcm958305k_defconfig
+++ b/configs/bcm958305k_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_BCMCYGNUS=y
+# CONFIG_MMC is not set
 CONFIG_SYS_EXTRA_OPTIONS="SYS_SDRAM_SIZE=0x40000000"
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set