``It is Derbyshire's decision and possibly the weather has something to do with it,'' said Old Trafford spokesman Dave Edmundson.
The cancellation should not harm Lancashire, who have just returned from a warm up tour of South Africa, although it would have been interesting to see how they fared against one of the sides who wrecked their Benson and Hedges Cup hopes last season.
Lancashire now go straight into their championship campaign against Sussex at Hove next Friday with some intriguing decisions for the selectors.
England A star Andy Flintoff is bang in contention for a batting place after a successful time in South Africa.