Uninstall
It's incredibly easy to uninstall Mavericks Mini. Just open Cydia and go to the "Manage" tab. From there, select "Packages" and then scroll down to the M's for Mavericks Mini. Select Mavericks Mini, then select "Remove". Choose "Confirm" and after a few seconds of processing, the theme will be completely removed from your device.
If you don't want to uninstall Mavericks Mini, but want to switch back to the default iOS for a change, just launch DreamBoard and select the "Default" tile. You will instantly be brought back to the default iOS and you can instantly go back to Mavericks Mini by launching DreamBoard again and selecting the theme. All of your changes to Mavericks Mini are saved so you don't need to set everything up each time you launch the theme.
If you don't want to uninstall Mavericks Mini, but want to switch back to the default iOS for a change, just launch DreamBoard and select the "Default" tile. You will instantly be brought back to the default iOS and you can instantly go back to Mavericks Mini by launching DreamBoard again and selecting the theme. All of your changes to Mavericks Mini are saved so you don't need to set everything up each time you launch the theme.