A former Trump campaign foreign policy adviser who pleaded guilty to lying to federal agents in the special counsel’s Russia investigation should not be allowed to delay the start of his 14-day prison term, prosecutors said in a court filing Wednesday.

The special counsel’s prosecution team was responding to a request from the convicted ex-adviser, George Papadopoulos, who has mounted various attacks on the charges against him after taking a plea deal. Saying Papadopoulos’s move was “made for the purposes of delay,” the special counsel prosecutors argued the former Trump adviser’s window to appeal closed in late September.