Davis began the 2011–12 season ranked world number 44, his lowest rank since turning professional. Davis reached the final of the 2011 World Seniors Championship before losing 1–2 to Darren Morgan. He participated in the 2011–12 Players Tour Championship; his best result was in the Warsaw Classic, where he reached the semi-finals before losing 3–4 to Ricky Walden, finishing at number 26 on the Order of Merit. He qualified for the 2011 UK Championship by defeating Ian McCulloch and Andrew Higginson, but lost 1–6 in the first round to O'Sullivan. He reached the last 16 of the Welsh Open before losing 0–4 to Murphy. Davis did not qualify for the World Snooker Championship 7–10 to Ben Woollaston.