1 files changed, 0 insertions, 16 deletions
diff --git a/actioncable/lib/action_cable/subscription_adapter/redis.rb b/actioncable/lib/action_cable/subscription_adapter/redis.rb
index a035e3988d..3b86354621 100644
--- a/actioncable/lib/action_cable/subscription_adapter/redis.rb
+++ b/actioncable/lib/action_cable/subscription_adapter/redis.rb
@@ -1,18 +1,11 @@
-require 'thread'
-
 gem 'em-hiredis', '~> 0.3.0'
 gem 'redis', '~> 3.0'
 require 'em-hiredis'
 require 'redis'
 
-EventMachine.epoll  if EventMachine.epoll?
-EventMachine.kqueue if EventMachine.kqueue?
-
 module ActionCable
   module SubscriptionAdapter
     class Redis < Base # :nodoc:
-      @@mutex = Mutex.new
-
       def broadcast(channel, payload)
         redis_connection_for_broadcasts.publish(channel, payload)
       end
@@ -34,7 +27,6 @@ module ActionCable
 
       private
         def redis_connection_for_subscriptions
-          ensure_reactor_running
           @redis_connection_for_subscriptions ||= EM::Hiredis.connect(@server.config.cable[:url]).tap do |redis|
             redis.on(:reconnect_failed) do
               @logger.info "[ActionCable] Redis reconnect failed."
@@ -45,14 +37,6 @@ module ActionCable
         def redis_connection_for_broadcasts
           @redis_connection_for_broadcasts ||= ::Redis.new(@server.config.cable)
         end
-
-        def ensure_reactor_running
-          return if EventMachine.reactor_running?
-          @@mutex.synchronize do
-            Thread.new { EventMachine.run } unless EventMachine.reactor_running?
-            Thread.pass until EventMachine.reactor_running?
-          end
-        end
     end
   end
 end