To revoke the changes that you have made to a model, you must revert to the last checked in version of the model.
You have identified the activity that you created when you checked out the model.
Choose
In the Open Activities window, click the activity with the secondary mouse button and choose Revert.
In the Revert Changes dialog box, choose OK.
Note
If the selected activity is associated with multiple models, revert will revoke changes made to all the models.
You have reverted to the last checked-in version of the model. To view the last checked-in model, close the model and re-open it.