diff --git a/classes/image_types_tegra.bbclass b/classes/image_types_tegra.bbclass
index 738bb4f8..d0de814d 100644
--- a/classes/image_types_tegra.bbclass
+++ b/classes/image_types_tegra.bbclass
@@ -447,7 +447,7 @@ create_tegraflash_pkg:tegra234() {
     rm -f doflash.sh
     cat > doflash.sh <<END
 #!/bin/sh
-MACHINE=${TNSPEC_MACHINE} BOARDID=\${BOARDID:-${TEGRA_BOARDID}} FAB=\${FAB:-${TEGRA_FAB}} CHIPREV=\${CHIPREV:-${TEGRA_CHIPREV}} BOARDSKU=\${BOARDSKU:-${TEGRA_BOARDSKU}} ./tegra234-flash-helper.sh $DATAARGS flash.xml.in ${DTBFILE} ${EMMC_BCT} ${ODMDATA} ${LNXFILE} ${IMAGE_BASENAME}.${IMAGE_TEGRAFLASH_FS_TYPE} "\$@"
+MACHINE=${TNSPEC_MACHINE} ./tegra234-flash-helper.sh $DATAARGS flash.xml.in ${DTBFILE} ${EMMC_BCT} ${ODMDATA} ${LNXFILE} ${IMAGE_BASENAME}.${IMAGE_TEGRAFLASH_FS_TYPE} "\$@"
 END
     chmod +x doflash.sh