After tracking an object in Video Physics, you can delete a single point, a group of points, or all points.

To delete a single point:
1. Tap on the point you want to delete.
2. Choose Delete to remove the point.

To delete a group of points:
1. Tap an hold near the points you wish to select.
2. When the on-screen arrows appear, drag to select points.
3. Choose Delete to remove the selected points.

To delete all points:
1. Tap and hold on the screen, then release.
2. Choose Select All.
3. Choose Delete.

If the points are very close together, you can zoom in to the the area where the point is and then select the points. Zoom in and out by pinching or stretching the video with two fingers.