AUCKLAND, NEW ZEALAND - AUGUST 21:  Warriors NRL departing coach Brian McClennan talks to the media following the announcment that McClennan has resigned as coach, at Mt Smart Stadium on August 21, 2012 in Auckland, New Zealand.  (Photo by Simon Watts/Getty Images)

Sacking "inevitable" ... Brian McClennan. Photo: Getty Images

Auckland: The Warriors' results of the past three weeks made the sacking of coach Brian McClennan ''inevitable'', chief executive Wayne Scurrah said.

The Warriors are on a six-match losing streak, a run that has dropped last year's grand finalists to 13th on the table.

Scurrah cited the two heavy defeats to Cronulla and North Queensland, and then the 18-16 loss to fellow strugglers Penrith on Sunday as the tipping point.

He accepted that winning in Townsville, something the Warriors haven't done in a decade, is ''a hard ask at the best of times'', but the 52-12 defeat two rounds ago went beyond that.

''The nature of the loss and then what some people were touting as the wooden-spoon battle this weekend - and to lose that game at home - it really made where we are today inevitable,'' Scurrah said.

McClennan, who succeeded Penrith-bound Ivan Cleary, was in the first year of a two-year contract, having had success with the Kiwis and Super League club Leeds.

But after 14 defeats and just eight wins, he hands over to assistant coach Tony Iro, who will take charge for the Warriors' last two matches.

Scurrah hoped a permanent appointment could be made at least a month before pre-season training starts in November.

The announcement comes a day after McClennan was planning for next season, with talk of former Parramatta coach Stephen Kearney being added to the coaching staff.