WARNING: This may be a PTSD trigger for those of you who were credit investors in 2008.

Kirkland & Ellis has withdrawn from representing Optimum after the company used a separate law firm to launch a lawsuit against creditors.

The antitrust complaint alleged that investors, including Apollo, Ares, and Oaktree, conspired via cooperation agreement to raise debt prices and make it more expensive to refinance. These types of creditor protections have made Kirkland’s job of negotiating for debtors significantly harder in recent years.

Kirkland, who represents many of the investors that were sued, has been facing heat since the lawsuit was filed. It looks like the heat finally became too much to bear. $ATUS $OPTU