private void deleteOldLine(LatLng oldLatLonPoint) {
        Polyline line1 = null;
        for(Polyline line : lines){
            if((line.getPoints().get(0).longitude == oldLatLonPoint.longitude && line.getPoints().get(0).latitude == oldLatLonPoint.latitude) ||
                    (line.getPoints().get(1).longitude == oldLatLonPoint.longitude && line.getPoints().get(1).latitude == oldLatLonPoint.latitude)){

                if(line1 == null){
                    line1 = line;
                }
            }
        }
        if(line1 != null){
            lines.remove(line1);
            line1.remove();
        }

    }