diff --git a/target/linux/ramips/mt7621/config-3.18 b/target/linux/ramips/mt7621/config-3.18
index ac9dd59e67c..c5db1667338 100644
--- a/target/linux/ramips/mt7621/config-3.18
+++ b/target/linux/ramips/mt7621/config-3.18
@@ -118,6 +118,7 @@ CONFIG_MIPS_MT_FPAFF=y
 CONFIG_MIPS_MT_SMP=y
 CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
 # CONFIG_MIPS_VPE_LOADER is not set
+# CONFIG_MTK_MTD_NAND is not set
 CONFIG_MODULES_USE_ELF_REL=y
 CONFIG_MT7621_WDT=y
 # CONFIG_MTD_CFI_INTELEXT is not set