diff --git a/configs/s6lx9_microboard_defconfig b/configs/s6lx9_microboard_defconfig
index f77c80ba87..97b2d3fe79 100644
--- a/configs/s6lx9_microboard_defconfig
+++ b/configs/s6lx9_microboard_defconfig
@@ -10,5 +10,4 @@ BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4.7"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/avnet/s6lx9_microboard/lx9_mmu_defconfig"
-BR2_LINUX_KERNEL_USE_CUSTOM_DTS=y
 BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="board/avnet/s6lx9_microboard/lx9_mmu.dts"