Deleting a Material in the Material Definition Table
You can delete any material from the Material Definition table. To do this:
1. Display the Material Definition table.
2. Highlight the material row you want to delete and select the Delete button or press the delete keyboard key. A warning message asks if you want to delete the material.
3. Select the Yes button to delete the material. When you delete a material, all information about the material is removed.
Select the No button to keep the material information.