In all cases brought under sections 48-101 to 48-108, it shall not be a defense (a) that the employee was negligent, unless it shall also appear that such negligence was willful, or that the employee was in a state of intoxication; (b) that the injury was caused by the negligence of a fellow employee; or (c) that the employee had assumed the risks inherent in, or incidental to, or arising from the failure of the employer to provide and maintain safe premises and suitable appliances, which grounds of defense are hereby abolished.
Neb. Rev. Stat. §§ 48-102