If they've promised it, they have to give it, but they could always say "We're having to do a round of layoffs, the optics of a traip would look bad, so instead

If they've promised it, they have to give it, but they could always say "We're having to do a round of layoffs, the optics of a traip would look bad, so instead for this year we will give you a one-off bonus equal to the value of the trip of $Xk."