If you’d like to prevent Google from combining this potentially sensitive data with the information it has collected from your YouTube, Google+, and other Google accounts, you can remove your Web History and stop it from being recorded moving forward.
Firstly, remove one page of Google history:
Type https://www.google.com/history into your browser
Login to your Google product account, take Gmail as example.
(Alternatively, you can choose Account Settings from the pull-down menu in the upper-right corner of a Google product such as Gmail, Google+, or Google.com. From the Account Settings page, scroll down to the Services header and click on the “Go to web history” link)
Restart the frame before “Remove”
Result: the Web history of This page has been removed.
Secondly, remove all Google wen history:
Restart “Remove all Web History”
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