Delete Face
With Delete Face 
tool, you can do the following:
| Show selection toolbar | Shows/hides selection accelerator toolbars |
| Delete | Deletes a face from a surface body, or deletes one or more faces from a solid body to create surfaces. |
| Delete and Patch | Deletes a face from a surface body or solid body and automatically patches and trims the body. |
| Delete and Fill | Deletes faces and generates a single face to close any gap. |