I get asked if there is a way to delete classifications I no longer wish to use, You can not delete them but you can, with some work, hide them
You will need to modify the classification and add a global data restriction so that it can no longer be selected from the Classify dialog box.
1) Go To Database Configuration
2) Add a field to classstructure to mark a Classification as obsolete/inactive/etc:
3) Go to the Application Designer.
4) Open the Classifications application and add field called... [More]