Dont encourage people to run without autoflush in production

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt

@@ -70,9 +70,6 @@ Rails.application.configure do
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
-  # Disable automatic flushing of the log to improve performance.
-  # config.autoflush_log = false
-
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
   <%- unless options.skip_active_record? -%>