diff --git a/configs/acadia_defconfig b/configs/acadia_defconfig
index 69053d5..790d8a9 100644
--- a/configs/acadia_defconfig
+++ b/configs/acadia_defconfig
@@ -1,4 +1,5 @@
 CONFIG_PPC=y
+# CONFIG_MMC is not set
 CONFIG_4xx=y
 CONFIG_TARGET_ACADIA=y
 CONFIG_OF_BOARD_SETUP=y