You must know the fact that on WordPress, each time you update your post, you will see previous post revisions stored there. How many times you revise your post, your each and every revisions of your posts are always stored over there. So, to make your database small sized and less bulky, it is wise to use this plugin to delete all previous post revisions and make your database clean forever. Main Tasks Delete Post Revisions In WordPress Plugin does 1) Makes your database of small size. 2) Delete unnecessary post revisions that is stored in your posts.