Probably most instagram users have done stalking. However, it seems that not everyone wants to know who has ever been stalking.
To hide who you've ever stalking there's an easy way that can be done.
Clear search history
The only way you can do to hide who you've been stalking is to delete your search history. To delete it, you just need to go to the profile on Instagram, choose gear on iPhone or three dot on Android. After that, scroll down, select the Clear Search History button.
Hide Buttons
If you want to hide accounts from your recommendations, even if you keep seeing their accounts, the hide button is your answer. Tap tab search, then search bar. After that, tap and hold search you want to hide. From there, you will get the hide option, press it