On the Resolve3D window,
click 
to remove all existing
stage trails from the Stage View.
Stage trails are lines on the Stage View that show the path of stage's subsequent movements.
To display stage trails:
On the Resolve3D Settings window, click the Misc tab and select (or deselect) the Show Stage Trails check box.
To clear stage trails:
On the Resolve3D window,
click to remove all existing
stage trails from the Stage View.