public void removeGameListener(GameListener listener){
  if (gameListeners == null) {
    gameListeners=new Vector<GameListener>();
  }
  gameListeners.removeElement(listener);
}

public void removeGameListener ( GameListener listener ) { if ( gameListeners == null ) { gameListeners = new Vector < GameListener > ( ) ; } gameListeners . removeElement ( listener ) ; }
removes the specified game listener .
