diff --git a/conf/machine/raspberrypi0-wifi.conf b/conf/machine/raspberrypi0-wifi.conf
index adb2238..beb9c84 100644
--- a/conf/machine/raspberrypi0-wifi.conf
+++ b/conf/machine/raspberrypi0-wifi.conf
@@ -9,7 +9,6 @@ include conf/machine/include/rpi-base.inc
 MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
 
 SDIMG_KERNELIMAGE ?= "kernel.img"
-KERNEL_DEFCONFIG ?= "bcmrpi_defconfig"
 UBOOT_MACHINE ?= "rpi_config"
 SERIAL_CONSOLE ?= "115200 ttyS0"
 VC4_CMA_SIZE ?= "cma-128"
diff --git a/conf/machine/raspberrypi3.conf b/conf/machine/raspberrypi3.conf
index b511bec..a1c45b0 100644
--- a/conf/machine/raspberrypi3.conf
+++ b/conf/machine/raspberrypi3.conf
@@ -9,7 +9,6 @@ include conf/machine/include/rpi-base.inc
 MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
 
 SDIMG_KERNELIMAGE ?= "kernel7.img"
-KERNEL_DEFCONFIG ?= "bcm2709_defconfig"
 UBOOT_MACHINE = "rpi_3_32b_config"
 SERIAL_CONSOLE ?= "115200 ttyS0"
 VC4_CMA_SIZE ?= "cma-256"