Here's the rule-as-written:
Rule 7.31 wrote:
A unit must end its move if it enters a hex in the intense field of fire of a non-disrupted enemy position, or a hex adjacent to an enemy unit even if disrupted.
If a position is unoccupied, e.g. I've already cleaned it out, does that position's intense FoF still limit US movement, or can I ignore it?
I've been playing the latter, as "non-disrupted" implies the presence of a Japanese unit that's not disrupted, rather than the absence of a Japanese unit that IS disrupted, if you see what I mean.