I'm trying to delete the ordered app history from Google play store and currently there seems no way to do that. As part of transaction history logs, Google can maintain that info from their end without affecting user's privacy.

Your search history isn't available right now. Check back later How to Clear Your Google Search History on Android Jul 03, 2017 How to Delete Activity History of Google Account in Android How to Delete Activity History of Google Account in Android.To clear out the cache, delete activity history, and clear cookies, these three activities can make your android a better performer. When you browse a lot of activity in an android phone, it is tendency of a browser to hold and keep all browser data, which causes slowness of your android as well as provide you a better security.

How to delete your Google Play Store history from your

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Delete downloaded app history from Google Play - CNET