Google helps in bringing different data and it’s users.
First you will have to visit the webpage normally known as my Google account page
Now you need to turn it off and clear all history’s.
Click on ad preference and then you now click on Opt out button.
After clicking on opt out just sign out and then go to the history page.
And then select disable Customization base on search activity and make sure you don’t sign in until an hour latrr later and try stopping it from automatic sign in.
Remove or clear all your cache and also all your web history and that all.
Don’t forget to drop your comment below thanks.