1. Use the Hide Button to Remove Yahoo ads
Yahoo itself provides a way to hide ads in Yahoo Mail. There’s a small arrow mark near the long vertical banner ad. When clicked, the advertisement gets hidden immediately.The downside is that the ad will reappear the next time you open a new mail. So, this is not a permanent solution to block ads in Yahoo Mail.
2. Install Firefox + Greasemonkey Script to Block Yahoo ads: There’s another way to block Yahoo ads and here’s how you can go about doing it. Download and install Firefox, and then install the Greasemonkey addon. Then go here and install the Yahoo! Mail Cleaner script. This script will allow you to remove ads in Yahoo Mail.Refresh the Yahoo mail page and voila! The ads are gone.
3. Upgrade to Yahoo! Mail Plus to Remove Yahoo Ads: This is the 3rd method to remove Yahoo Mail ads. You’ll have to shell out $19.99 from your pocket and the graphical Yahoo Mail ads are gone permanently. You get loads of other features, you can check more on this here.Hope these methods to disable and remove Yahoo ads in the Yahoo Mail page worked for you. Let us know in the comments section if you experience any difficulties in blocking Yahoo Mail advertisements.