Googles John Mueller stated once again that Google does not use the link disavow files for discovery of spammy link networks.”In short, he is saying Google utilizes other ways to find and target link networks and does not require to utilize the disavow submits throughout the web for this. It might harm if you disavow links that are assisting your rank, but it does not harm your website if it is listed in a disavow file.Plus, Google does not utilize the disavow files to find or target link networks.Forum conversation at Twitter.