Index: export-jessie/rootfs/etc/apt/sources.list.d/raspi.list
===================================================================
--- export-jessie.orig/rootfs/etc/apt/sources.list.d/raspi.list
+++ export-jessie/rootfs/etc/apt/sources.list.d/raspi.list
@@ -1,3 +1,3 @@
-deb http://archive.raspberrypi.org/debian/ stretch main ui staging
+deb http://archive.raspberrypi.org/debian/ stretch main ui
 # Uncomment line below then 'apt-get update' to enable 'apt-get source'
 #deb-src http://archive.raspberrypi.org/debian/ stretch main ui