You can manage the media that you have shared on a home network on the Source > Home Network tab.
Click Source > Home Network > Movies or TV Shows and then right click on the shared collections to:
•Rename Collection: lets you rename a previously created collection.
•Add Media to Collection: select this option if you want to add more movies/TV shows to a collection. After selecting all the media files you want to add, click OK.
•Remove Selected Collection: removes the collection from your shared media.
•Set Pin Code: select this option if you want to protect the media with a pin code. Enter a 4-digit pin code in the field provided, and then click OK.
If you want to remove a specific movie or TV show from a collection, double click on the collection to open it. Next, right click on the movie/TV show and then select Remove from Collection.
In Source > Home Network > Videos, Photos, or Music sections, you can right click on a folder, artist, album, song and then select Unshare from Local Home Network Shared to remove from your shared media.