# File lib/fog/rackspace/queues.rb, line 180
          def ageoff
            messages.reject! { |m| m.expired? }

            claims.keys.dup.each do |id|
              claim = claims[id]
              if claim.expired? || claim.messages.empty?
                claim.messages.each { |m| m.claim = nil }
                claims.delete(id)
              end
            end
          end