Removing a TreeSet Collection from a TreeSet Definition
When you remove a TreeSet Collection from a TreeSet Definition, you also remove all its child TreeSet Collections and TreeSet Properties.
You can choose to remove the TreeSet Collection from the TreeSet Definition only or delete it from HOPEX repository.
To remove a TreeSet Collection from a TreeSet Definition:
1. Access the TreeSet Definition properties.
2. Display its Definition page.
3. In the TreeSet Definition structure, hover the cursor over the TreeSet Collection you want to remove and click Remove 
.
.A confirmation dialog box prompts you to confirm your choice to remove the TreeSet Collection from its TreeSet Collection parent only or delete it from HOPEX repository.
if you want to delete the TreeSet Collection from the HOPEX repository, select Delete and confirm your choice in the next window.4. Click Remove.
The TreeSet Collection is removed from the TreeSet Definition, but still available in the HOPEX repository.