The Derwent Valley League has been hit by the resignation of Bridlington 3rds from division B.
With Sewerby 4ths and Seamer 3rds quitting that division earlier in the season it leaves just seven teams, who will now only play 12 games each.
All points that clubs gained or lost against Bridlington 3rds in division B will be deleted from the league tables.
Kirkbymoorside 2nds remain at the top of that division after their eight-wicket win against Wold Newton 2nds.
James Ward hit 31 and Will Hall 47 as Newton closed on 191-9, Jamie Harper taking 3-67.
Harper then remained unbeaten on 54, while Michael Thompson was 58 not out and James Magson added 65 to push Kirkby over the line.
Filey 2nds edged out fellow relegation-threatened side Snainton by 26 runs.
Filey looked to be in trouble at the break when Leigh Watson (3-23) and Jonathan Maw (4-27) bowled them out for 103.
Veteran Kev Chapman then took control though, producing figures of 4-11 to dismiss Snainton for 77.
Whitby 3rds went crazy with the bat in division A with their win by 249 runs against Sewerby 3rds.
Finlay Morris hit 118 and Josh Suckling posted an amazing 190 not out as Whitby moved to 361-3.
Michael Chatham gave Sewerby the odd highlight with his 50, but Morris capped a fine day with 3-23 as Sewerby dropped well short.
Flamborough continue to push towards promotion from division A as they beat Hospitals/Rugby Club by nine wickets.
Hospitals were bowled out for just 52 by three wickets each for Alan Stadler and James Cobb.
Luke Dixon’s 28 not out made sure of Flamborough’s win.
Cayton 3rds maintained their promotion push in division C with a nine-wicket success against Scalby 3rds.
Chris Pearson’s 5-26 and Joel Boyer’s 3-15 saw off Scalby for 55, a score that was comfortably knocked off.
Eight-man Muston 2nds beat Thornton Dale 2nds by 19 runs.
Muston were all out for 137 as Mark Precious hit 54 and Matthew Kings struck 46. John Ellis doing the damage with the ball taking six wickets.
Patrick Stephenson kept Dale on course with 60, but Kings (4-38) and Precious (3-15) continued their fine days to close the game out.
Ganton 2nds collected their first win of the season when they beat Wykeham 3rds by 97 runs.
John Sarup (30), Robin Milner (49) and Joel Sarup (46) pushed Ganton on to 175-5, George Shannon taking three of those wickets.
Danny Farrow’s 4-23 then helped to bowl Wykeham out for 78.
Valley Bar Nomads beat Ravenscar 2nds by eight wickets.
Andrew Bloomfield’s 36 was the batting highlight for Ravenscar, as Anthony Hulme’s 4-15 slowed them to 127-7.
Craig Best and Rhys Stansfield then reached the 30s to help carry the Nomads home.