The striker started on the bench for his side in their 0-0 draw with arch-rivals Celtic this afternoon.
Dessers came on with just a few minutes to go, and it was likely to be his final outing in light blue.
Martin told Sky Sports post-match: "I think Cyriel has probably played his last game for the club.
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"He goes with everyone's best wishes.
"It's good business for us, it's good for him, the stage he's at in his career."
Martin was then asked about Youssef Chermiti.
Rangers have been widely linked with a move for the Everton striker.
"I think we're close to a couple," said Martin.
"It's one we're very hopeful of concluding and getting done."
The transfer window shuts at 11pm in Scotland tomorrow.