There are a few setting that can be changed---Directions how to get there
lvmtime
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If you have a clock on your top bar drawn by the system, just go to Start->Settings->Today->Items, select LVMTime and click Settings.
On the first tab (General) there is an option to deactivate taskbar clock (the one my plugin draws, not the system one).
Alternatively, if you installed my plugin for the taskbar capability and no longer need it you can just uncheck it in items, then uninstall it through Settings->System->Remove programs.