View and modify purchases
Your YouTube purchase activity, like videos you’ve bought and services you’ve subscribed to, helps Google give you a more personalized experience across Google services. For example, discovering new videos and channels you'll enjoy.
You can delete some or all of this data. Deleting may limit or disable the use of this data for more personalized experiences but it will still be in your Google Account. You can always see your YouTube purchases in your library.
It's not currently possible to hide purchases from your purchase history.