diff --git a/src/freedombone-image-customise b/src/freedombone-image-customise
index d556d87b..45afd9e8 100755
--- a/src/freedombone-image-customise
+++ b/src/freedombone-image-customise
@@ -740,6 +740,9 @@ case "$MACHINE" in
 esac
 
 set_apt_sources $BUILD_MIRROR
+chroot "$rootdir" apt-get clean
+chroot "$rootdir" rm -rf /var/lib/apt/lists/*
+chroot "$rootdir" apt-get clean
 chroot "$rootdir" apt-get update
 
 cat > $rootdir/usr/sbin/policy-rc.d <<EOF