Edit You CAN disable voting by going to Preferences under the main board menu. (Disregard the following.) Currently, no, because it's kind of a half plugin.

Edit You CAN disable voting by going to Preferences under the main board menu. (Disregard the following.) Currently, no, because it's kind of a half plugin. You can ignore it, though, nothing really changes if someone happens to vote on something. But internally, we've already found it quite useful for things like helping decide a name of a new project and voting on features.