It is normal in your case. You must do something with your apps.

I found one solution for this. You can do the following:Navigate to Settings -> Accounts and Backups-> Restore Data. In this you can see the backup you can simply delete it by clicking 3 dots-> delete backup. It will free up some space. Like if you f...

Already knew it, but thanks.

It happened with me. How to I remove those files? Does it takes system storage??