diff --git a/target/linux/ar71xx/mikrotik/config-default b/target/linux/ar71xx/mikrotik/config-default
index 89230159c0..1338ed9983 100644
--- a/target/linux/ar71xx/mikrotik/config-default
+++ b/target/linux/ar71xx/mikrotik/config-default
@@ -91,7 +91,6 @@ CONFIG_GPIO_74X164=y
 CONFIG_GPIO_LATCH=y
 # CONFIG_JFFS2_FS is not set
 CONFIG_LEDS_RB750=y
-CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE=y
 CONFIG_MDIO_BITBANG=y
 CONFIG_MDIO_GPIO=y
 # CONFIG_MTD_CFI is not set
@@ -107,6 +106,7 @@ CONFIG_MTD_NAND_RB750=y
 CONFIG_MTD_NAND_RB91X=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_SM_COMMON is not set
+CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
 # CONFIG_MTD_TPLINK_PARTS is not set
 # CONFIG_OVERLAYFS_FS is not set
 CONFIG_RLE_DECOMPRESS=y