diff --git a/conf/machine/rock-pi-e.conf b/conf/machine/rock-pi-e.conf
index 7f49c9f..0e2856f 100644
--- a/conf/machine/rock-pi-e.conf
+++ b/conf/machine/rock-pi-e.conf
@@ -7,9 +7,7 @@ require conf/machine/include/rk3328.inc
 
 MACHINEOVERRIDES =. "rock-pi-e:"
 
-PREFERRED_PROVIDER:virtual/kernel = "linux-yocto-dev"
 KERNEL_DEVICETREE = "rockchip/rk3328-rock-pi-e.dtb"
 MACHINE_EXTRA_RRECOMMENDS += "kernel-modules"
 
-PREFERRED_PROVIDER:virtual/bootloader = "u-boot"
 UBOOT_MACHINE = "rock-pi-e-rk3328_defconfig"