Deleting Themes
NOTE:
- The default themes (Dark, Dark2023, Light, and Light2023) cannot be removed.
 - To hide the default themes, set theme.show_system to false in Panopticon.properties.
 
- Right-click on one or two themes then either:
      
- Click Remove 
 icon on the toolbar, or - Select Remove in the content menu.
          

 
A notification message displays.

 - Click Remove 
 - Click  
 to remove. 
(c) 2013-2025 Altair Engineering Inc. All Rights Reserved.