To Delete an Instance from a Family Table
1. With the generic model active, click Tools > Family Table. The Family Table dialog box opens.
2. Navigate to the Family Table that contains the instance(s) you want to delete.
3. Select the instance(s) you want to delete. To select multiple instances, hold the CTRL key down as you select each instance.
4. Click Edit > Delete Rows. The selected instance rows are deleted permanently.
* 
You cannot undo the deletion.
Was this helpful?