I've seen it (hence my post in the JSON thread that I linked to previously) and I don't have any as.xml settings that would cause this. It was something that slipped into Gotham a while ago.
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.