You can delete Connection Occurrences in models. Use tab page Relationships to delete connection definitions.
1. Select the connection.
2. Press the Del key.
1. Select an object.
2. In theRelationships tab page, activate Characteristic Window.
3. Click on the row containing the connection.
4. Click on the Delete button.
The connection is deleted in the model.
The connection definition (tab page) is deleted if it does not occur in any model.