diff --git a/activejob/lib/active_job.rb b/activejob/lib/active_job.rb
index ef9240672590b71d9de531f27d00ba7ee66d66c2..29123170b85ed810b82f262981548b61120c62a7 100644
--- a/activejob/lib/active_job.rb
+++ b/activejob/lib/active_job.rb
@@ -30,4 +30,5 @@ module ActiveJob
   extend ActiveSupport::Autoload
 
   autoload :Base
-end
\ No newline at end of file
+  autoload :QueueAdapters
+end
diff --git a/activejob/lib/active_job/queue_adapter.rb b/activejob/lib/active_job/queue_adapter.rb
index 8f2f8b86ea159190a541ae52c554a7e3e6ece3d9..13c23abce4c9c0eb150e976aa6452c089ef37b29 100644
--- a/activejob/lib/active_job/queue_adapter.rb
+++ b/activejob/lib/active_job/queue_adapter.rb
@@ -17,7 +17,6 @@ def queue_adapter=(name_or_adapter)
 
     private
       def load_adapter(name)
-        require "active_job/queue_adapters/#{name}_adapter"
         "ActiveJob::QueueAdapters::#{name.to_s.camelize}Adapter".constantize
       end
   end
diff --git a/activejob/lib/active_job/queue_adapters.rb b/activejob/lib/active_job/queue_adapters.rb
new file mode 100644
index 0000000000000000000000000000000000000000..007068ff0a49216be17245b2ecf839cab5b33f6d
--- /dev/null
+++ b/activejob/lib/active_job/queue_adapters.rb
@@ -0,0 +1,16 @@
+module ActiveJob
+  module QueueAdapters
+    extend ActiveSupport::Autoload
+
+    autoload :InlineAdapter
+    autoload :BackburnerAdapter
+    autoload :DelayedJobAdapter
+    autoload :QuAdapter
+    autoload :QueAdapter
+    autoload :QueueClassicAdapter
+    autoload :ResqueAdapter
+    autoload :SidekiqAdapter
+    autoload :SneakersAdapter
+    autoload :SuckerPunchAdapter
+  end
+end