Statistics templates can be deleted by both the creator and the administrator. Private templates can only be seen by the creator of the template, so they can only be deleted by him.
If you want to delete a statistics template, switch to edit mode. In the active tab, open the “Edit drop-down menu” behind the menu triangle on the
right side of the tab and select “Activate editing mode”. Use the plus symbol
to open the existing templates and switch to the “Saved templates” tab. All templates that you can delete are marked with a trash
can icon in the top right corner of the “User template” banner.