The Remove Alignment Points from non-DM Drawing command is used to remove all alignment points from a drawing that does not use Design Master features. This command is the only way to fully remove alignment points from a drawing.
To remove all alignment points from a drawing, go to Ribbon:DM Plumbing→Alignment Points→ Remove Alignment Points from non-DM Drawing Pulldown Menu:DM Plumbing→Alignment Points→Remove Alignment Points from non-DM Drawing
Remove Alignment Points from non-DM Drawing Dialog Box​
To remove the alignment points, type REMOVE and press the button. This step helps prevent you from removing the alignment points accidentally.