1- Click on “Playlists” in the left vertical menu. This will load all the playlists added in the Library. Click on Manage to see your created playlists.
2- Click on the playlist that you want to edit, under “Your Playlists”. Click on Edit option.
This will load the Edit Playlist page as below.
3- On the Playlist edit page, the video list will be displayed on the right with thumbnails. On the right of each thumbnail, there will be video title and a button “Remove” to remove the video from the playlist. Click “Remove” button next to the video that you need to remove from playlist.
4- You can click “Save” once changes are made. This will take you back to the Playlist detail page with the updates.