In the desktop view:

1. Select the desired document and then select
   
   .
2. From the Versions tab in the right panel, select the document version you wish to delete.
3. Select
   
   and then select Move to Trash.

If your administrator has enabled restore, you might be able to restore an item from the Trash.

In the mobile view:

1. Highlight a document in the list.
2. Select the kebab menu
   
    and then select Versions.
3. Select 
   
    and then select Move to Trash.