diff --git a/lib/mutant/reporter.rb b/lib/mutant/reporter.rb
index 505f697b..93c13691 100644
--- a/lib/mutant/reporter.rb
+++ b/lib/mutant/reporter.rb
@@ -1,136 +1,28 @@
 module Mutant
   # Abstract reporter
   class Reporter
-    include Adamantium::Flat, AbstractType, Equalizer.new(:stats)
+    include Adamantium::Flat, AbstractType
 
-    # Initialize reporter
-    #
-    # @param [Config] config
-    #
-    # @api private
-    #
-    def initialize(config)
-      @stats = Stats.new
-      @config = config
-    end
+    ACTIONS = {
+      Subject => :subject,
+    }.freeze
 
-    # Test for success
+    # Report object
     #
-    # @return [true]
-    #   if there are subjects and no errors
-    #
-    # @return [false]
-    #   otherwise
-    #
-    # @api private
-    #
-    def success?
-      stats.success?
-    end
-
-    # Report start
-    #
-    # @param [Config] config
+    # @param [Object] object
     #
     # @return [self]
     #
     # @api private
     #
-    def start(_config)
+    def report(object)
+      klass = object.class
+      method = self.class::ACTIONS.fetch(klass) do
+        raise "No reporter for: #{klass}"
+      end
+      send(method, object)
       self
     end
 
-    # Report stop
-    #
-    # @return [self]
-    #
-    # @api private
-    #
-    def stop
-      self
-    end
-
-    # Report subject
-    #
-    # @param [Subject] subject
-    #
-    # @return [self]
-    #
-    # @api private
-    #
-    def subject(_subject)
-      stats.count_subject
-      self
-    end
-
-    # Report mutation
-    #
-    # @param [Mutation] mutation
-    #
-    # @return [self]
-    #
-    # @api private
-    #
-    def mutation(_mutation)
-      self
-    end
-
-    # Report killer
-    #
-    # @param [Killer] killer
-    #
-    # @return [self]
-    #
-    # @api private
-    #
-    def report_killer(killer)
-      stats.count_killer(killer)
-      self
-    end
-
-    # Test for running in debug mode
-    #
-    # @return [true]
-    #   if running in debug mode
-    #
-    # @return [false]
-    #   otherwise
-    #
-    # @api private
-    #
-    def debug?
-      config.debug?
-    end
-
-    # Return stats
-    #
-    # @return [Reporter::Stats]
-    #
-    # @api private
-    #
-    attr_reader :stats
-
-    # Return config
-    #
-    # @return [Config]
-    #
-    # @api private
-    #
-    attr_reader :config
-
-    # Test if errors are present
-    #
-    # @return [true]
-    #   if errors are present
-    #
-    # @return [false]
-    #   otherwise
-    #
-    # @api private
-    #
-    def errors?
-      stats.errors?
-    end
-
   end
 end
diff --git a/lib/mutant/reporter/cli.rb b/lib/mutant/reporter/cli.rb
index a9720080..514c4d7a 100644
--- a/lib/mutant/reporter/cli.rb
+++ b/lib/mutant/reporter/cli.rb
@@ -2,69 +2,30 @@ module Mutant
   class Reporter
     # Reporter that reports in human readable format
     class CLI < self
+      include Concord.new(:io)
 
-      # Initialize reporter
+    private
+
+      # Report subject
       #
-      # @param [Config] config
+      # @param [Subject] _subject
       #
       # @return [undefined]
       #
       # @api private
       #
-      def initialize(config)
-        super
-        @io = $stdout
-      end
-
-      # Reporte subject
-      #
-      # @param [Subject] subject
-      #
-      # @return [self]
-      #
-      # @api private
-      #
-      def subject(subject)
-        super
-        puts("Subject: #{subject.identification}")
-      end
-
-      # Return error stream
-      #
-      # @return [IO]
-      #
-      # @api private
-      #
-      def error_stream
-        debug? ? io : StringIO.new
-      end
-
-      # Return output stream
-      #
-      # @return [IO]
-      #
-      # @api private
-      #
-      def output_stream
-        debug? ? io : StringIO.new
+      def subject(_subject)
       end
 
       # Report mutation
       #
-      # @param [Mutation] mutation
+      # @param [Mutation] _mutation
       #
-      # @return [self]
+      # @return [undefined]
       #
       # @api private
       #
-      def mutation(mutation)
-        super
-
-        if debug?
-          colorized_diff(mutation)
-        end
-
-        self
+      def mutation(_mutation)
       end
 
       # Report start
@@ -75,24 +36,13 @@ module Mutant
       #
       # @api private
       #
-      def start(config)
+      def config(config)
         message = []
         message << 'Mutant configuration:'
-        message << "Matcher:   #{config.matcher.inspect}"
-        message << "Filter:    #{config.filter.inspect}"
+        message << "Matcher:   #{config.matcher.inspect }"
+        message << "Filter:    #{config.filter.inspect  }"
         message << "Strategy:  #{config.strategy.inspect}"
         puts message.join("\n")
-        super
-      end
-
-      # Report stop
-      #
-      # @return [self]
-      #
-      # @api private
-      #
-      def stop
-        super
       end
 
       # Report killer
@@ -103,9 +53,7 @@ module Mutant
       #
       # @api private
       #
-      def report_killer(killer)
-        super
-
+      def killer(killer)
         status = killer.killed? ? 'Killed' : 'Alive'
         color  = killer.success? ? Color::GREEN : Color::RED
 
@@ -120,14 +68,6 @@ module Mutant
 
     private
 
-      # Return IO stream
-      #
-      # @return [IO]
-      #
-      # @api private
-      #
-      attr_reader :io
-
       # Test for colored output
       #
       # @return [true]
@@ -189,7 +129,7 @@ module Mutant
         diff = color? ? differ.colorized_diff : differ.diff
 
         if diff.empty?
-          raise 'Unable to create a diff, so ast mutation or to_source has an error!'
+          raise 'Unable to create a diff, so ast mutant or to_source does something strange!!'
         end
 
         puts(diff)
diff --git a/lib/mutant/reporter/null.rb b/lib/mutant/reporter/null.rb
index ace5dbfa..1d50cb2a 100644
--- a/lib/mutant/reporter/null.rb
+++ b/lib/mutant/reporter/null.rb
@@ -4,42 +4,18 @@ module Mutant
     # Null reporter
     class Null < self
 
-      # Report subject
+      # Report object
       #
-      # @param [Subject] subject
+      # @param [Object] _object
       #
       # @return [self]
       #
       # @api private
       #
-      def subject(*)
+      def report(_object)
         self
       end
 
-      # Report mutation
-      #
-      # @param [Mutation] mutation
-      #
-      # @return [self]
-      #
-      # @api private
-      #
-      def mutation(*)
-        self
-      end
-
-      # Report killer
-      #
-      # @param [Killer] killer
-      #
-      # @return [self]
-      #
-      # @api private
-      #
-      def killer(*)
-        self
-      end
     end
-
   end
 end