diff --git a/lib/rake/application.rb b/lib/rake/application.rb
index f27e874a7..9a21dbb22 100644
--- a/lib/rake/application.rb
+++ b/lib/rake/application.rb
@@ -1,4 +1,3 @@
-require 'shellwords'
 require 'optparse'
 
 require 'rake/task_manager'
diff --git a/lib/rake/rake_test_loader.rb b/lib/rake/rake_test_loader.rb
index 7e3a6b3f3..bc4e1751e 100644
--- a/lib/rake/rake_test_loader.rb
+++ b/lib/rake/rake_test_loader.rb
@@ -19,4 +19,3 @@
 end
 
 ARGV.replace argv
-
diff --git a/lib/rake/rule_recursion_overflow_error.rb b/lib/rake/rule_recursion_overflow_error.rb
index da4318da9..b71e08efb 100644
--- a/lib/rake/rule_recursion_overflow_error.rb
+++ b/lib/rake/rule_recursion_overflow_error.rb
@@ -1,4 +1,3 @@
-
 module Rake
 
   # Error indicating a recursion overflow error in task selection.
diff --git a/lib/rake/thread_pool.rb b/lib/rake/thread_pool.rb
index 691daeabe..a11af0393 100644
--- a/lib/rake/thread_pool.rb
+++ b/lib/rake/thread_pool.rb
@@ -1,4 +1,3 @@
-require 'thread'
 require 'set'
 
 require 'rake/promise'