diff --git a/config/application.rb b/config/application.rb
index be492e4..5d21136 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -35,9 +35,6 @@ module EasyGoingRails
 
     # Customized Semantic Logger
     config.rails_semantic_logger.semantic = false
-    config.rails_semantic_logger.started    = true
-    config.rails_semantic_logger.processing = true
-    config.rails_semantic_logger.rendered   = true
     config.rails_semantic_logger.add_file_appender = false
   end
 end
diff --git a/lib/semantic/dev_loader.rb b/lib/semantic/dev_loader.rb
index cb530ca..fda6b71 100644
--- a/lib/semantic/dev_loader.rb
+++ b/lib/semantic/dev_loader.rb
@@ -3,28 +3,17 @@ module Semantic
   class DevLoader
     def initialize(session_key)
       @session_key = session_key
+
       force_preload_module
+      RailsSemanticLogger::ActionController::LogSubscriber.logger.level = :fatal
+      clear_subscribers(/\.action_controller$/)
 
       once_and_reload do
+        clear_subscribers(/\.action_controller$/)
         append_ansi_formatter
+        reset_subscribers
         register_log_subscriber
       end
-
-      # FIXME: proper unsubscribe!!!
-      # RailsSemanticLogger::ActionController::LogSubscriber.logger.level = :fatal
-
-      #
-      # RailsSemanticLogger.swap_subscriber(
-      #   RailsSemanticLogger::ActionController::LogSubscriber,
-      #   @log_subscriber, # attach missing!!!
-      #   :action_controller
-      # )
-
-      # ActiveSupport::LogSubscriber.subscribers.each do |sub|
-      #   puts "subscriber #{sub.pattern}"
-      # end
-      # RailsSemanticLogger.swap_subscriber(RailsSemanticLogger::ActionController::LogSubscriber,
-      #                                     @log_subscriber, :action_controller)
     end
 
     private
@@ -47,7 +36,6 @@ module Semantic
     end
 
     def register_log_subscriber
-      reset_subscribers
       register_to_action_controller(:start_processing)
       register_to_action_controller(:process_action, :finish_processing)
       register_to_action_controller(:redirect_to)
@@ -73,28 +61,31 @@ module Semantic
           next unless sub.instance_variable_get(:@delegate) == subscriber
           next unless pattern.match(sub_pattern)
 
-          # puts "FOUND subscriber=#{subscriber} for sub_pattern=#{sub_pattern} with logger #{subscriber.logger.name}"
-          # puts 'remove notification then log_subscriber'
+          puts "FOUND subscriber=#{subscriber} for sub_pattern=#{sub_pattern} with logger #{subscriber.logger.name}"
+          puts subscriber.class.module_parent.const_source_location(subscriber.class.to_s)&.first
 
           ActiveSupport::Notifications.unsubscribe(sub)
-          ActiveSupport::LogSubscriber.subscribers.delete(subscriber)
         end
+        ActiveSupport::LogSubscriber.subscribers.delete(subscriber)
       end
     end
 
     # pattern could be either a string 'start_processing.action_controller' or a regex /\.action_controller$/
     def clear_subscribers(pattern)
       ActiveSupport::LogSubscriber.subscribers.each { |sub| unattach(sub, pattern) }
+      ActiveSupport::Notifications.unsubscribe('start_processing.action_controller')
     end
 
     def reset_subscribers
-      clear_subscribers(/\.action_controller$/)
       if defined?(@subscribers)
-        @subscribers.each { |sub| ActiveSupport::Notifications.unsubscribe(sub) }
+        @subscribers.each do |sub|
+          ActiveSupport::Notifications.unsubscribe(sub)
+        end
         @subscribers.clear
       else
         @subscribers = []
       end
+
       @log_subscriber = Semantic::LogSubscriber.new(@session_key)
     end
   end
diff --git a/lib/semantic/log_subscriber.rb b/lib/semantic/log_subscriber.rb
index e2df119..3407393 100644
--- a/lib/semantic/log_subscriber.rb
+++ b/lib/semantic/log_subscriber.rb
@@ -2,7 +2,7 @@ module Semantic
   class LogSubscriber < ActiveSupport::LogSubscriber
     include SemanticLogger::Loggable
     include AnsiColors
-    def logger = SemanticLogger['IRails']
+    def logger = SemanticLogger['Rails']
 
     INTERNAL_PARAMS = %i[controller action format _method only_path].freeze
     DEFAULT_DEV_HOSTS = ['127.0.0.1', 'localhost'].freeze