Apple Final Cut Pro 6 - Manual (Page 720)

Chapter 21 Adding Transitions 387
III
To rename a favorite transition:
1 Select the transition in the Favorites bin in the Effects tab of the Browser.
2 Click the transition’s name to highlight the name field.
3 Enter a new name, then press Return.
Deleting Favorite Transitions
If you’ve added a transition as a favorite, you can delete it at any time from the
Favorites bin. If it’s a transition that comes with Final Cut Pro, it will still appear in the
Video Transitions or Audio Transitions bin.
To delete a favorite transition:
1 Select the transition in the Favorites bin in the Effects tab of the Browser.
2 Select Edit > Clear (or press Delete).