You cannot permanently delete an item from your purchase history, you can only hide it from iTunes on your computer so that it does not appear in purchased links.
How to remove hidden purchases on iPhone?
Go to iTunes Store > Purchased > Apps, then click the X to hide Purchased. Note that there is still a new Hidden Purchases section where you can view the hidden purchases (and the option to unhide them). It’s not possible to actually delete a past purchase just to hide it.
How do I permanently delete purchases from iTunes?
On your computer, open the Apple Music app, Apple TV app, or iTunes. Click Account in the menu bar at the top of your computer screen or at the top of the iTunes window, and then click View My Account. On the page that appears, scroll down to iTunes in the Cloud section. Next to Hidden purchases, click Manage. 31
How do I remove hidden purchases from iTunes?
To remove them from your computer, click Open Finder > Music > iTunes > iTunes Media > Music. There you will see all the songs that you have downloaded to your computer. Drag the files you want to delete to the Trash and delete them there. 13
How do I delete iTunes purchase history?
In the iTunes app on your PC, choose Music from the pop-up menu in the top-left corner, then click Library. Click the item to select it, and then press Delete. Click Delete [Item].
How do I remove hidden purchases from iTunes?
Go to Settings > Apps. Now select the app you want to remove and tap Uninstall.
How do I delete purchase history?
In the iTunes app on your PC, choose Music from the pop-up menu in the top-left corner, then click Library. Click the item to select it, and then press Delete. Click Delete [Item].