Netflix is shutting down its previously viewed DVD business in order to focus on rentals.

"As you know, our core business is delivering great movie rentals to you on DVD by mail and instantly to the computer and TV, so we've decided it makes sense for us to focus exclusively on that," according to a Monday blog post. "This means we will stop selling previously viewed DVDs through the Web site. We're sorry for any inconvenience for those of you who regularly purchase DVDs at Netflix."

The last day to purchase previously viewed DVDs will be November 30.

Movies typically sell for $9.99, but certain films are now available for $5.99. If you want to buy, sign into your account, click "buy", and Netflix will charge your account and mail out the DVD.

Last month, Netflix announced that it will add a $1-per-month fee for access to its Blu-ray library.