They presumably aren't in that tight so maybe you could use a pin spanner?
Got one out that way, other won't budge - tried a light few taps with screwdriver/hammer but thats not working either, and reluctant to go at it harder in case I ruin the interface.
Worst case you could make yourself the tool from a thick washer and file it to shape.
@lmamammal started
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They presumably aren't in that tight so maybe you could use a pin spanner?