Ross County eased to a comfortable win in their rearranged Scottish Cup fourth round tie at Allan Park.
Dene Shields cut through the home defence to put County ahead, while Andy Dowie headed in the second from a Paul Lawson corner.
Scott Boyd poked in from close range after a goalmouth scramble and Andy Barrowman added a penalty kick.
Jamie Watt netted from a rebound and tucked in a penalty as the Highland League side rallied after the break.
The victory earns the Division Two leaders a home tie against St Johnstone in the fifth round of the tournament.
Cove Rangers: Windrum, Bain, Livingstone, Eric Watson, Grant Fraser, McKenzie, Stephen, Coutts, Watt, Henderson (O'Driscoll 68), McKibben (Tindal 54), Tindal (Phil Reid 71). Subs Not Used: Lawrie, Pirie.
Booked: Eric Watson.
Goals: Watt 63, 76 pen.
Ross County: Bullock, Boyd, Golabek, Dowie (Strachan 54), Lawson, Keddie, McCulloch, Scott (Miller 77), Watson, Shields, Barrowman (Petrie 63). Subs Not Used: Higgins, Malin. Booked: Keddie, Lawson.
Goals: Shields 10, Dowie 30, Boyd 33, Barrowman 40 pen.
Att: 1,200