The UVW Remove utility removes mapping coordinates or materials from the currently selected objects.
Interface

- UVW
-
Click to remove UVW mapping from this object.
Note: The utility can remove UVW mapping only from collapsed editable mesh objects; that is, editable meshes with no modifiers. - Materials
-
Click to remove material assignment from the selected objects.
- Set Gray
-
If this is on when you click the Materials button, the object color is set to a neutral gray. Default=off.