diff --git a/target/linux/sunxi/config-3.18 b/target/linux/sunxi/config-3.18
index 3513f6ab3b..d96406ed3e 100644
--- a/target/linux/sunxi/config-3.18
+++ b/target/linux/sunxi/config-3.18
@@ -297,7 +297,7 @@ CONFIG_MIGRATION=y
 CONFIG_MMC=y
 CONFIG_MMC_BLOCK=y
 # CONFIG_MMC_BLOCK_BOUNCE is not set
-CONFIG_MMC_DEBUG=y
+# CONFIG_MMC_DEBUG is not set
 CONFIG_MMC_SUNXI=y
 CONFIG_MODULES_USE_ELF_REL=y
 CONFIG_MTD_SPLIT_SUPPORT=y