Lets assume you believe you are dealing with an over optimisation of anchor text penalty. What would be the fastest/quickest way to dilute your anchor text profile in hopes of cleaning things up a bit?
I believe I may be in this very situation so I am looking for a plan of attack that is obviously within the scope of best practices.
So far I have been told that profiles on social sites can help fairly quickly. I have never been a fan of these but Im going to mention it.
What about directory submissions? Again, im not a fan of these either but I need to get some randomness going on.
There is no quick fix, as far as I know. If your rankings are already suffering because of this kind of issue, then Google has identified your backlinks as being manipulative - links that are not "freely given editorial links" but rather links that you have under your control.
In that situation, I'd say remove as many as of those artificial backlinks as you can muster and start doing some straight-forward publicity and marketing, especially what is called content marketing. You may also need to do a reconsideration request after your clean-up is done, telling Google what you used to do and how you've "changed your ways."