Showtime’s “Shameless” wrapped its fourth season Sunday with the show’s biggest-yet finale audience and its second largest audience over the years.

According to Nielsen estimates, roughly 1.93 million viewers tuned in for the regular-slot airing of “Shameless” — a 10% week-over-week build over the previous week’s episode and 6% higher than its year-ago finale (1.82 million). The high-water mark for the William H. Macy-Emmy Rossum series remains its third-season premiere in January 2013 (1.995 million).

A quickie repeat of “Shameless” late Sunday drew about 900,000 to bring the night’s gross audience to roughly 2.83 million, 18% more than a year ago (2.39 million).

Also for Showtime on Sunday, “House of Lies” closed its third season with 731,000 viewers and 10 p.m. and 1.4 million viewers for the night, up 16% from last year’s cume audience (1.2 million) and the show’s best finale night to date.

Season-to-date, “Shameless” is averaging 5.7 million weekly viewers, up 7% vs. last season through the same time frame, and on track to rate as its highest-season ever. “House of Lives” is averaging 3 million weekly viewers, on par with last season.

Both series will return with new episodes in 2015.