diff --git a/configs/r8a7795_salvator-x_defconfig b/configs/r8a7795_salvator-x_defconfig
index c95dc4c..ad289c2 100644
--- a/configs/r8a7795_salvator-x_defconfig
+++ b/configs/r8a7795_salvator-x_defconfig
@@ -4,6 +4,7 @@
 CONFIG_RCAR_GEN3=y
 CONFIG_TARGET_SALVATOR_X=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a7795-salvator-x"
 CONFIG_DEFAULT_FDT_FILE="r8a7795-salvator-x.dtb"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_CMD_BOOTZ=y
@@ -20,4 +21,3 @@
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/r8a7795_ulcb_defconfig b/configs/r8a7795_ulcb_defconfig
index fd5fd55..46715f9 100644
--- a/configs/r8a7795_ulcb_defconfig
+++ b/configs/r8a7795_ulcb_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_RCAR_GEN3=y
 CONFIG_TARGET_ULCB=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a7795-h3ulcb"
 CONFIG_DEFAULT_FDT_FILE="r8a7795-h3ulcb.dtb"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_CMD_BOOTZ=y
@@ -18,4 +19,3 @@
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/r8a7796_salvator-x_defconfig b/configs/r8a7796_salvator-x_defconfig
index 53ad5a8..6ea2d52 100644
--- a/configs/r8a7796_salvator-x_defconfig
+++ b/configs/r8a7796_salvator-x_defconfig
@@ -5,6 +5,7 @@
 CONFIG_R8A7796=y
 CONFIG_TARGET_SALVATOR_X=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a7796-salvator-x"
 CONFIG_DEFAULT_FDT_FILE="r8a7796-salvator-x.dtb"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_CMD_BOOTZ=y
@@ -21,4 +22,3 @@
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index 96f903b..0bec182 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -4,6 +4,7 @@
 CONFIG_RCAR_GEN3=y
 CONFIG_R8A7796=y
 CONFIG_TARGET_ULCB=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a7796-m3ulcb"
 CONFIG_DEFAULT_FDT_FILE="r8a7796-m3ulcb.dtb"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_CMD_BOOTZ=y
@@ -19,4 +20,3 @@
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
-CONFIG_OF_LIBFDT=y