Deleting values of system reference data
You can delete the system reference data values that you no longer need.
1In the Explore panel, select System Reference Data, and click Open.
The system reference data opens in a new tab.
2Click the system reference data for which you want to delete a value.
3Hover over the value that you want to delete, and then click the Delete icon.
A confirmation dialog box appears.
4Click Delete.
The value is deleted for all the assets.