The Belgian defender was reportedly sought by former Bhoys boss Ronny Deila as Virgil van Dijk's successor at Celtic Park.
The Club Bruges defender is not likely to leave the club until after Champions League meetings with Manchester United.
Celtic have targeted the Belgian defender should Van Dijk leave for Southampton or Everton.
Belgian team Club Brugge are reportedly interested in signing Celtic star Nir Bitton this summer.
Celtic are reportedly tracking Club Brugge defender Brandon Mechele.