6 files changed, 1 insertions, 6 deletions
diff --git a/actioncable/README.md b/actioncable/README.md
index c7420d48bc..f58c8fdb16 100644
--- a/actioncable/README.md
+++ b/actioncable/README.md
@@ -427,7 +427,7 @@ messages back and forth over the WebSocket cable connection. This dependency may
 be alleviated in the future, but for the moment that's what it is. So be sure to have
 Redis installed and running.
 
-The Ruby side of things is built on top of [faye-websocket](https://github.com/faye/faye-websocket-ruby) and [celluloid](https://github.com/celluloid/celluloid).
+The Ruby side of things is built on top of [faye-websocket](https://github.com/faye/faye-websocket-ruby) and [concurrent-ruby](https://github.com/ruby-concurrency/concurrent-ruby).
 
 
 ## Deployment
diff --git a/actioncable/test/connection/authorization_test.rb b/actioncable/test/connection/authorization_test.rb
index 68668b2835..87d0e79ef3 100644
--- a/actioncable/test/connection/authorization_test.rb
+++ b/actioncable/test/connection/authorization_test.rb
@@ -10,7 +10,6 @@ class ActionCable::Connection::AuthorizationTest < ActionCable::TestCase
     end
 
     def send_async(method, *args)
-      # Bypass Celluloid
       send method, *args
     end
   end
diff --git a/actioncable/test/connection/base_test.rb b/actioncable/test/connection/base_test.rb
index da6041db4a..182562db82 100644
--- a/actioncable/test/connection/base_test.rb
+++ b/actioncable/test/connection/base_test.rb
@@ -14,7 +14,6 @@ class ActionCable::Connection::BaseTest < ActionCable::TestCase
     end
 
     def send_async(method, *args)
-      # Bypass Celluloid
       send method, *args
     end
   end
diff --git a/actioncable/test/connection/cross_site_forgery_test.rb b/actioncable/test/connection/cross_site_forgery_test.rb
index d445e08f2a..a29f65fb97 100644
--- a/actioncable/test/connection/cross_site_forgery_test.rb
+++ b/actioncable/test/connection/cross_site_forgery_test.rb
@@ -6,7 +6,6 @@ class ActionCable::Connection::CrossSiteForgeryTest < ActionCable::TestCase
 
   class Connection < ActionCable::Connection::Base
     def send_async(method, *args)
-      # Bypass Celluloid
       send method, *args
     end
   end
diff --git a/actioncable/test/connection/string_identifier_test.rb b/actioncable/test/connection/string_identifier_test.rb
index ab69df57b3..9d0bda83ef 100644
--- a/actioncable/test/connection/string_identifier_test.rb
+++ b/actioncable/test/connection/string_identifier_test.rb
@@ -10,7 +10,6 @@ class ActionCable::Connection::StringIdentifierTest < ActionCable::TestCase
     end
 
     def send_async(method, *args)
-      # Bypass Celluloid
       send method, *args
     end
   end
diff --git a/actioncable/test/connection/subscriptions_test.rb b/actioncable/test/connection/subscriptions_test.rb
index 4f6760827e..62e41484fe 100644
--- a/actioncable/test/connection/subscriptions_test.rb
+++ b/actioncable/test/connection/subscriptions_test.rb
@@ -5,7 +5,6 @@ class ActionCable::Connection::SubscriptionsTest < ActionCable::TestCase
     attr_reader :websocket
 
     def send_async(method, *args)
-      # Bypass Celluloid
       send method, *args
     end
   end