After an accidental submersion in some water, my Thinkpad X201 is still functioning just fine, except that the center (blue) trackpoint button appears to 'click' roughly once a second. This is actually a pretty serious annoyance in many situations.
I've never used the button, so I'm perfectly fine just disabling it altogether. Unfortunately the TrackPoint driver pane (along with other Mouse settings in the control panel) only allows me to toggle between scroll, zoom, and click functionality, all of which are undesirable when activated constantly.
Note that this X201 configuration has only the trackpoint, without the trackpad and additional set of buttons (UltraNav) found in other configurations or newer Thinkpads.
Is there any way to disable the middle button entirely?