How to create RTC Enterprise Package without creating workitem?

Thanks to Sean (S.E.) Babineau from the RTC Development Team who provided the following hints to turn off the workitem creation:

1. Right-click your Project Area / Team Area and Open
2. In the Project Area Editor, choose the Process Configuration tab
3. Expand folder Project Configuration->Configuration Data->Packaging->Summary Work Item
4. Check to disable 'Disable summary work item creation'