Colwyn Bay have confirmed chairman Geoff Cartwright and two other directors have resigned.
Cartwright, along with sons Darren and Martin, have stepped down from the board following the club's AGM.
In a statement the Cartwright's said their relationship with some of the club's existing directors was "no longer a tenable or workable prospect."
The resignations come only a month after the Seagulls secured promotion to the Conference North
Dave Challinor's side beat FC United of Manchester 1-0 in the Evo-Stik Premier Division play-off final at Llanelian Road.