'managed-keys' is deprecated ??

[ToddAndMargo]

Hi All,

FC34
bin 9.16

Placing
    include "/etc/named.root.key";
in my bind.conf, give me the following error

# named-checkconf -l -t /var/named/chroot /etc/named.conf
/etc/named.root.key:1: option 'managed-keys' is deprecated

What do I use it its place?  (The Duck is failing me.)

Many thanks,
-T