Use the Presenter Window to Remove Materials from Model Geometry

To use the Presenter window to remove materials from model geometry

1. Open the Presenter window, and click the Materials tab.
2. In the material palette, right-click the material that you want to remove from items in the scene, and click Remove From All Items on the context menu.
   Note: Deleting the material from the palette will automatically remove that material from any items in the Scene View which it was applied to.