After identifying the link, try to remove them and disavow the one that can’t be deleted.
Dealing with link penalties includes the following steps:
Find all the backlinks: This can be done with the help of Google Webmaster Tools.
Identify the bad backlinks: you can use tools for it
Request removal of the bad links: All the requests must be sent from the email address of the website. After that, you have to keep track of your requests and see who has opened your emails.
Disavow the ones that can’t be removed: Before you create a disavow report, it is important to remove all the backlinks. Add tags to all of the links you could not delete by using “disavow” tag.