diff --git a/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf b/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
index c326664..8e0a022 100644
--- a/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
+++ b/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
@@ -1,21 +1,14 @@
 KMACHINE = "aspeed"
 KERNEL_DEVICETREE = "${KMACHINE}-bmc-asrock-${MACHINE}.dtb"
 
-PREFERRED_PROVIDER_virtual/bootloader = "u-boot-aspeed"
-PREFERRED_PROVIDER_u-boot = "u-boot-aspeed"
-PREFERRED_PROVIDER_u-boot-fw-utils = "u-boot-fw-utils-aspeed"
-UBOOT_MACHINE = "ast_g5_phy_config"
+UBOOT_DEVICETREE = "ast2500-evb"
+UBOOT_MACHINE = "evb-ast2500_defconfig"
 
 FLASH_SIZE = "32768"
 
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc
 
-# This is necessary for the host to boot properly -- without it, the ast2500
-# Super-IO is left enabled (SCU70[20]=0), which causes the host boot sequence
-# to hang during POST.
-require conf/distro/include/phosphor-isolation.inc
-
 PREFERRED_PROVIDER_virtual/obmc-flash-mgmt = "packagegroup-asrock-apps"
 PREFERRED_PROVIDER_virtual/obmc-system-mgmt = "packagegroup-asrock-apps"