diff --git a/conf/machine/jetson-orin-nano-devkit.conf b/conf/machine/jetson-orin-nano-devkit.conf
index 76a1939e..4a2f0990 100644
--- a/conf/machine/jetson-orin-nano-devkit.conf
+++ b/conf/machine/jetson-orin-nano-devkit.conf
@@ -5,7 +5,6 @@
 require conf/machine/include/orin-nano.inc
 require conf/machine/include/devkit-wifi.inc
 
-TEGRA_SPIFLASH_BOOT ?= "1"
 TNSPEC_BOOTDEV_DEFAULT ?= "mmcblk1p1"
 TEGRAFLASH_SDCARD_SIZE ?= "32G"
 PARTITION_LAYOUT_TEMPLATE_DEFAULT ?= "flash_t234_qspi_sd.xml"