Remove Unsorted Bookmarks Item

Unsorted Bookmarks are those which were created by clicking the bookmark star. This item can not be removed (even when empty) from the Bookmarks Menu via the delete option in the context menu.To remove the Unsorted Bookmarks item from the Bookmarks Menu you will need modify your userChrome.css. Add these lines to your userChrome.css file located in your profile folder:

/* Hide "Unsorted Bookmarks" in bookmarks toolbar menu */ 
#BMB_unsortedBookmarks {   display: none !important }

Note: This does not remove the item from the Library (Organize Bookmarks…/Show All Bookmarks…) window. Works in Firefox 3.6, 4.0, 5.0, 6.0, 7.0, 8.0