diff --git a/lib/guard/rubocop.rb b/lib/guard/rubocop.rb
index 689fbd3..96a35d1 100644
--- a/lib/guard/rubocop.rb
+++ b/lib/guard/rubocop.rb
@@ -1,17 +1,17 @@
 # coding: utf-8
 
 require 'guard'
-require 'guard/guard'
+require 'guard/plugin'
 
 module Guard
   # This class gets API calls from `guard` and runs `rubocop` command via {Guard::Rubocop::Runner}.
   # An instance of this class stays alive in a `guard` command session.
-  class Rubocop < Guard
+  class Rubocop < Plugin
     autoload :Runner, 'guard/rubocop/runner'
 
     attr_reader :options, :failed_paths
 
-    def initialize(watchers = [], options = {})
+    def initialize(options = {})
       super
 
       @options = {
diff --git a/spec/guard/rubocop_spec.rb b/spec/guard/rubocop_spec.rb
index dc05c55..a6420ff 100644
--- a/spec/guard/rubocop_spec.rb
+++ b/spec/guard/rubocop_spec.rb
@@ -3,8 +3,7 @@
 require 'spec_helper.rb'
 
 describe Guard::Rubocop, :silence_output do
-  subject(:guard) { Guard::Rubocop.new(watchers, options) }
-  let(:watchers) { [] }
+  subject(:guard) { Guard::Rubocop.new(options) }
   let(:options) { {} }
 
   describe '#options' do