Favorites: Tree has unwanted items?

In my folder tree, Favorites shows a number of items that neither show in the drop-down listing I have above my files display nor show up when I go to edit Favorites. I can't delete them nor get any additional info by trying to right click them, and trying to drag them off the tree doesn't do any good. At one time I very likely dragged these directories from lower in the tree structure and dropped them off into the Favorites branch - guess if I did I shouldn't have!

How can I get rid of them?

Try turning off Preferences / Folder Tree / Contents: SmartFavorites.

You are a magician!

Thank-you, once again.