On 12 December, 2015 at the President's Cup in Grozny, Russia, Ilyin set two world records in the −105 kg class.

With his final two lifts in the clean and jerk phase he attempted to set a world record with 233 kg but was unsuccessful.

[3] In 2011, Ilyin competed in the −94 kg class at the world championships and once again won the gold medal in both the clean and jerk and the overall.

On 12 December 2015 Ilyin competed in the Iwf Grand Prix 5th Russian Federation Presidents Cup held in Grozny.

In March 2016 Ilyin was named the IWF World Weightlifter of the Year for the fourth time in his career.

[5] In June 2016 it was announced by the IWF that retests of the samples taken from the 2012 Summer Olympics indicated that Ilyin had tested positive for prohibited substances, namely dehydrochloromethyltestosterone and stanozolol.

[4] In June 2016 it was announced by the IWF that retests of the samples taken from 2008 Summer Olympics indicated that Ilyin had tested positive for stanozolol.

[7] In November 2016, Ilyin was stripped of both his Olympic gold medals as a result of doping violations from his retested samples.