The removal of fake followers on Instagram may reduce your number of followers by a few. However, Instagram will only delete inauthentic and fake Instagram followers. At the same time, it may affect influencer marketing to some degree.

Manually:- Go to your profile, tap Followers, tap the three dots next to the follower you want to remove, and tap Remove Follower. Using a third-party app:- Give the app access to your Instagram account, and it will scan your followers and identify the ones you're not following back.

One of the 5 most used ways to find out if someone has fake followers is to check through Social Blade. All you have to do is create an account, select the platform and put the username of the account your want to check and see the statics and growth.