diff --git a/Rakefile b/Rakefile
index 8abb002..2da0c4e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -17,7 +17,7 @@ end
 
 ENV['RACK_ENV'] = 'test'
 
-task default: %i[clean test rubocop yard copyright]
+task default: %i[clean test rubocop yard]
 
 require 'rake/testtask'
 desc 'Run all unit tests'
@@ -42,10 +42,3 @@ RuboCop::RakeTask.new(:rubocop) do |task|
   task.requires << 'rubocop-rspec'
 end
 
-task :copyright do
-  sh "grep -q -r '#{Date.today.strftime('%Y')}' \
-    --include '*.rb' \
-    --include '*.txt' \
-    --include 'Rakefile' \
-    ."
-end