Trull, along with Lane Bosner and Cody Dooley, robbed the couple and shot them in September 2013. The trio went to the house seeking drugs but wound up robbing the couple and shooting them.
Trull, 20, of Pinson, was convicted in March 2017 of two counts of felony murder and counts of first-degree robbery, first-degree burglary, two counts of first-degree theft and one count of second-degree theft.
He was sentenced to 75 years in prison but appealed the convictions.
Alabama Attorney General Steve Marshall announced the convictions were upheld on Friday, Feb. 2. Assistant Attorney General Stephen Dodd handled the appeal.
Trull is being held at the Bibb County Correctional Facility.