# File lib/sidekiq/cron/job.rb, line 519
      def self.destroy_removed_jobs new_job_names
        current_job_names = Sidekiq::Cron::Job.all.map(&:name)
        removed_job_names = current_job_names - new_job_names
        removed_job_names.each { |j| Sidekiq::Cron::Job.destroy(j) }
        removed_job_names
      end