4 files changed, 19 insertions, 12 deletions
diff --git a/lib/action_cable/connection.rb b/lib/action_cable/connection.rb
index a9048926e4..8a695a3d0d 100644
--- a/lib/action_cable/connection.rb
+++ b/lib/action_cable/connection.rb
@@ -1,8 +1,8 @@
 module ActionCable
   module Connection
     autoload :Base, 'action_cable/connection/base'
+    autoload :Identification, 'action_cable/connection/identification'
     autoload :InternalChannel, 'action_cable/connection/internal_channel'
-    autoload :Identifier, 'action_cable/connection/identifier'
     autoload :TaggedLoggerProxy, 'action_cable/connection/tagged_logger_proxy'
   end
 end
diff --git a/lib/action_cable/connection/base.rb b/lib/action_cable/connection/base.rb
index 4b73a90dc1..0d666713d2 100644
--- a/lib/action_cable/connection/base.rb
+++ b/lib/action_cable/connection/base.rb
@@ -1,17 +1,11 @@
 module ActionCable
   module Connection
     class Base
-      include InternalChannel, Identifier
+      include Identification
+      include InternalChannel
 
       PING_INTERVAL = 3
 
-      class_attribute :identifiers
-      self.identifiers = Set.new
-
-      def self.identified_by(*identifiers)
-        self.identifiers += identifiers
-      end
-
       attr_reader :env, :server, :logger
       delegate :worker_pool, :pubsub, to: :server
 
diff --git a/lib/action_cable/connection/identifier.rb b/lib/action_cable/connection/identification.rb
index 62524263bd..246636198b 100644
--- a/lib/action_cable/connection/identifier.rb
+++ b/lib/action_cable/connection/identification.rb
@@ -1,8 +1,17 @@
 module ActionCable
   module Connection
-    module Identifier
-      def internal_redis_channel
-        "action_cable/#{connection_identifier}"
+    module Identification
+      extend ActiveSupport::Concern
+
+      included do
+        class_attribute :identifiers
+        self.identifiers = Set.new
+      end
+
+      class_methods do
+        def identified_by(*identifiers)
+          self.identifiers += identifiers
+        end
       end
 
       def connection_identifier
diff --git a/lib/action_cable/connection/internal_channel.rb b/lib/action_cable/connection/internal_channel.rb
index 3a11bcaf7b..55dfc72777 100644
--- a/lib/action_cable/connection/internal_channel.rb
+++ b/lib/action_cable/connection/internal_channel.rb
@@ -3,6 +3,10 @@ module ActionCable
     module InternalChannel
       extend ActiveSupport::Concern
 
+      def internal_redis_channel
+        "action_cable/#{connection_identifier}"
+      end
+
       def subscribe_to_internal_channel
         if connection_identifier.present?
           callback = -> (message) { process_internal_message(message) }