diff --git a/target/linux/ath79/mikrotik/config-default b/target/linux/ath79/mikrotik/config-default
index efea74a2398..74cfdf04233 100644
--- a/target/linux/ath79/mikrotik/config-default
+++ b/target/linux/ath79/mikrotik/config-default
@@ -19,7 +19,6 @@ CONFIG_MTD_NAND_RB91X=y
 CONFIG_MTD_RAW_NAND=y
 CONFIG_MTD_ROUTERBOOT_PARTS=y
 CONFIG_MTD_SPI_NAND=y
-CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
 CONFIG_MTD_SPLIT_MINOR_FW=y
 CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_BLOCK=y