# File lib/AWS/EC2/images.rb, line 38 38: def deregister_image( options = {} ) 39: options = { :image_id => "" }.merge(options) 40: raise ArgumentError, "No :image_id provided" if options[:image_id].nil? || options[:image_id].empty? 41: params = { "ImageId" => options[:image_id] } 42: return response_generator(:action => "DeregisterImage", :params => params) 43: end