Ashlee Shorrock suffered serious injuries when the quad bike,
nuskin driven by her father Daniel McGregor and carrying her and three other adults went off the road and down a bank at Waimarama on January 2.
McGregor, 29, appeared in Hastings District Court on crutches on Tuesday to hear police were dropping three drugs charges laid against him in the wake of the accident, reports Hawke's Bay Today.
He had earlier pleaded not guilty to cultivating cannabis,
nu skin hk possessing cannabis and possessing drug utensils.
McGregor admitted four charges of drink-driving causing injury and one of reckless driving in April.
Ashlee was thrown from the bike in the crash that took place shortly before midnight.
She suffered a fractured skull and other injuries to her face, neck,
nuskin group spine and back.
McGregor broke his legs in the crash and the three others on the bike were also injured.
He will be sentenced on August 7.
PR