--- a/ptxdist/configs/ecu02/barebox-defaultenv-2/boot/nand
+++ b/ptxdist/configs/ecu02/barebox-defaultenv-2/boot/nand
@@ -2,7 +2,8 @@
 
 PARAM_SKIP=$global.eag.skipupdate
 
-oftree -f
+# disabled for Linux 4.9 kernel
+#oftree -f
 
 global bootm.image="/mnt/nand0-root/boot/zImage"
 global linux.bootargs.root="console=null ro root=ubi0_0"