identify unused objects in a config (bigIP.conf)

I know Enterprise manager can report on this. The problem for us is we use layer 7 load balancing using iRules with internal or external data groups and this makes those pools look like orphans. The clean-up method I use for SSL certs, profiles and nodes, irules and data groups is to delete all. Any object that’s that are used and part of another configuration object deleted! Example is a node that’s in a pool won't be deleted. I can't do this with my pools because it would delete about 2000 pools since they are only referenced out of a data group string instead of a virtual.