If you there is bookmark that you no longer need, you can delete it from a view at anytime. You can also delete bookmarks on the page that the bookmark references.
To delete a bookmark
- 
In the header, click Start page. 
- 
On the start page, click More in the Bookmark tile. 
- 
In the Bookmark dialog, click Delete next to the bookmark that you want to delete. 
- 
In the Delete bookmark dialog, confirm the alert with Yes. 
