Default to sync instrumentation.

1 files changed, 0 insertions, 32 deletions

diff --git a/actionpack/lib/action_dispatch/middleware/notifications.rb b/actionpack/lib/action_dispatch/middleware/notifications.rb
deleted file mode 100644
index 65409f57fd..0000000000
--- a/actionpack/lib/action_dispatch/middleware/notifications.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-module ActionDispatch
-  # Provide notifications in the middleware stack. Notice that for the before_dispatch
-  # and after_dispatch notifications, we just send the original env, so we don't pile
-  # up large env hashes in the queue. However, in exception cases, the whole env hash
-  # is actually useful, so we send it all.
-  class Notifications
-    def initialize(app)
-      @app = app
-    end
-
-    def call(env)
-      request = Request.new(env)
-      payload = retrieve_payload_from_env(request.filtered_env)
-
-      ActiveSupport::Notifications.instrument("action_dispatch.before_dispatch", payload)
-
-      ActiveSupport::Notifications.instrument!("action_dispatch.after_dispatch", payload) do
-        @app.call(env)
-      end
-    rescue Exception => exception
-      ActiveSupport::Notifications.instrument('action_dispatch.exception',
-        :env => env, :exception => exception)
-      raise exception
-    end
-
-    protected
-      # Remove any rack related constants from the env, like rack.input.
-      def retrieve_payload_from_env(env)
-        Hash[:env => env.except(*env.keys.select { |k| k.to_s.index("rack.") == 0 })]
-      end
-  end
-end