play no part in/of (something)
To not be involved in something; to have no effect or impact on something. She said that the rumors didn't play a part in her decision, but I'm skeptical.
have/play/take/want no ˈpart in/of something
not be involved or refuse to be involved in something, especially because you disapprove of it: He had no part in the decision.I want no part of this sordid business.