Use this toClear all bookmarks in the current document
Before invokingA document must be open to use this option.
Menu pathEdit > Bookmarks and Marks > Clear All Bookmarks
Command nameMBookmarkDeleteAll
Accelerator keyC (from the main menu: Alt+E > B > C)
Keyboard shortcutShift+Ctrl+F2
Options on parent menu (Bookmarks and Marks+)Create/Clear Bookmark, Go to Next Bookmark, Go to Previous Bookmark, Clear All Bookmarks, Bookmark Window, Mark Selection, Remove Marks, Remove All Marks