lib/wisper.rb in wisper-0.0.1 vs lib/wisper.rb in wisper-0.0.2

@@ -1,9 +1,7 @@
 require "wisper/version"
 
 module Wisper
-  include ActiveSupport::Concern
-
   def listeners
     @listeners ||= Set.new
   end
 
   def add_listener(listener, options = {})