1 files changed, 4 insertions, 4 deletions
diff --git a/lib/action_cable/channel/base.rb b/lib/action_cable/channel/base.rb
index 2f1b4a187d..df87064195 100644
--- a/lib/action_cable/channel/base.rb
+++ b/lib/action_cable/channel/base.rb
@@ -1,6 +1,8 @@
+require 'set'
+
 module ActionCable
   module Channel
-    # The channel provides the basic structure of grouping behavior into logical units when communicating over the websocket connection.
+    # The channel provides the basic structure of grouping behavior into logical units when communicating over the WebSocket connection.
     # You can think of a channel like a form of controller, but one that's capable of pushing content to the subscriber in addition to simply
     # responding to the subscriber's direct requests.
     #
@@ -139,7 +141,6 @@ module ActionCable
       # This method is not intended to be called directly by the user. Instead, overwrite the #unsubscribed callback.
       def unsubscribe_from_channel
         run_unsubscribe_callbacks
-        logger.info "#{self.class.name} unsubscribed"
       end
 
 
@@ -160,7 +161,7 @@ module ActionCable
         # the proper channel identifier marked as the recipient.
         def transmit(data, via: nil)
           logger.info "#{self.class.name} transmitting #{data.inspect}".tap { |m| m << " (via #{via})" if via }
-          connection.transmit({ identifier: @identifier, message: data }.to_json)
+          connection.transmit ActiveSupport::JSON.encode(identifier: @identifier, message: data)
         end
 
 
@@ -175,7 +176,6 @@ module ActionCable
 
 
         def subscribe_to_channel
-          logger.info "#{self.class.name} subscribing"
           run_subscribe_callbacks
         end