Delete it from where and who do you want to see it?
If it's just on your device, then check the settings of your browser, you'll be able to delete your browsing history.
If you want to go further than that then you'd need a VPN or use Tor Browser. These come with limitations though, VPN, some sites might not work as they block VPNs and you'll want to pay for a good one as well. Tor, it'll be very slow, most likely won't be able to stream any videos