Delete a texture from an object:

1. Find the Texture tab of the Object Properties palette. If the palette isn't open, use the hotkey "o" to summon it.

2. Expand the palette to show the Expert options by clicking the arrow in the lower left corner of the palette.

3. Select the name of the texture from the list of applied textures.

4. Click the Delete button.

Delete a texture from your model:

Textures can only be deleted from your model if they are not currently applied to any object, including spotlights and effects. To delete a texture from your model, select Delete Unused from the Plus menu of the Resource tab. The Texture tab must be active.