Could be something, or it could be nothing. DIdn't he join that committee when he took over for Nunes, who is now back in the role?
http://www.washingtonexaminer.com/trey-gowdy-resigns-as-house-ethics-committee-member/article/2645870
"The former prosecutor was the only lawmaker serving four separate committee assignments when he stepped down from the Ethics panel last week."