Deleting a service model deletes only the elements displayed in the pane. It does not delete the classes, behavior models, property pages, or properties linked within the service model.
To delete a service model:
In the Explorer pane, expand > , then navigate to the service model element that should be deleted.
Right-click the element, then select to open a confirmation dialog box.
Multiple elements could be selected for removal.
Click to delete the service model.
The service model is removed from the hierarchy.