Open Chrome on your Chromebook
Click the three-dot menu in the top-right corner
Select Bookmarks
Click Bookmark manager
Find the bookmark you want to delete
Click the three-dot menu next to the bookmark
Select Delete
To delete multiple bookmarks, select them in Bookmark manager and press Delete
To delete a bookmark from the bookmarks bar, right-click it and select Delete
To delete all bookmarks in a folder, right-click the folder and select Delete