Thornhill were knocked out of the Xamax National Cup after suffering a narrow defeat at home to West Hull.
Ryan Fenton, Danny Ratcliffe and Will Gledhill scored for the Trojans, and George Woodcock added a goal, but the Humberside club ran out 24-14 winners.
Dewsbury Moor completed their preparations for the new season with wins for the first and second teams.
The first team were 24-6 winners against Bradford Dudley Hill, while the seconds were 26-0 victors over Batley Boys DMR.
The firsts are in action against West Bowling next weekend, while the second team meet Beverley.