When you fill out a form, Chrome asks if you want to save the information to speed things up the next time. If you neither use this feature nor like Google storing your information, it’s easy to turn off.
How to Disable Form Autofill
Fire up Chrome, click the menu icon, and then click on “Settings.” Alternatively, you can type chrome://settings/
into the Omnibox to go directly there.
Scroll down until you see the Autofill section, and click on “Addresses and More.”
Untoggle the switch next to “Save and fill addresses.”
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How to Delete Form Autofill Information
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Source: How-To Geek