Advanced Customization > Business Logic Customization > Report Generation > ReportTemplate Data Source Customization > Solution > Customization Points > Procedure – Deleting a ReportTemplate Data Source
  
Procedure – Deleting a ReportTemplate Data Source
A ReportTemplate Data Source that is no longer needed can be removed from the system by deleting it from Windchill and updating the Cognos model.
1. Launch Report Management from the context associated with the ReportTemplate, select the object, and click “Delete”.
2. Then update the Cognos model using step 4 of the above Creating a ReportTemplate Data Source procedure.