Ads based on your use of websites or apps off Facebook. If you don't want companies to use information based on your activity to target ads, you can opt out through the Digital Advertising Alliance (US), Digital Advertising Alliance Canada or the European Digital Advertising Alliance. Because retargeting uses browserbased cookies, you will need to opt out for each browser you use (mobile and desktop). Jun 08, 2014 How To: Remove Adware on Facebook News Feed and Timeline. The ads which appear in the news feed or timeline which play sound or flash automatically are most probably Adware. Such adware are suspicious and a threat to your Facebook Accounts security. They may steal your personal info, current location, professional details, interests,remove ads my facebook timeline To hide all ads from this advertiser: Click on the top right corner of the ad and choose Why am I seeing this? . From the Options dropdown menu, select Hide all ads from this advertiser.