Ability to clear Recast Agents that have not communicated with RMS after a period of time.

We have a situation where the agent drop-down in RMS shows double the amount of recast agents than the devices we have Config Mgr. This is likely due to computer refresh. The agents are still listed even after a certain of idle time, not reporting to RMS. This means we must list all agents and review them individually to remove them from RMS. This isn't very pleasant since you don't have a search device name option. What if you were to add a feature similar to the AD cleanup tool? Instead of querying CM vs. AD, query CM vs. RMS. Then provide the ability to delete the discrepancy from within the results like the AD cleanup tool: just a thought, Thx.