Past searches also influence which accounts Instagram suggests you follow.
Tap theMenuicon (three horizontal lines).
Tap theXnext to a search term, or tapClear all.

TapClear allagain to confirm.
You’ll see a list of your recent searches.
Select theXnext to a search term to remove it or chooseClear all.

FAQ
You canremove suggested Instagram contacts from the appby going to the horizontal list labeledSuggestions for You.
Select theXin the upper-right corner of that list box and all suggestions will disappear for that session.
Yes, you’re free to.