Click on the Favorites tab in your tracker, then click on Favorites Options and "edit manually entered items" is one of them. Click on that, and you'll see a "remove" button next to each one.
Hope that helps,
"You may have a fresh start any moment you choose, for this thing that we call "failure" is not the falling down but the staying down." Mary Pickford
"No matter how slow you go, you are still lapping everybody on the couch."