Rakefile in total-0.0.0 vs Rakefile in total-0.1.0

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-# Copyright (c) 2018-2023 Yegor Bugayenko
+# Copyright (c) 2018 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the 'Software'), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -54,14 +54,6 @@
 require 'rubocop/rake_task'
 desc 'Run RuboCop on all directories'
 RuboCop::RakeTask.new(:rubocop) do |task|
   task.fail_on_error = true
   task.requires << 'rubocop-rspec'
-end
-
-task :copyright do
-  sh "grep -q -r '2018-#{Date.today.strftime('%Y')}' \
-    --include '*.rb' \
-    --include '*.txt' \
-    --include 'Rakefile' \
-    ."
 end