To remove Google AdSense ads from your website, please do the following:
Login to your 123-reg control panel.
Scroll down to the Market your website section and click on the Google AdSense option.
Click on the relevant Log-in button.
If you are presented with a Google AdSense Status page click on the Continue button.
Click on the Delete Ad option.
Please note: This will not close your Google AdSense account or change the association status of the account. If you wish to do this you will need to log in to your Google AdSense account manually.