diff --git a/test/support/ruby_runner.rb b/test/support/ruby_runner.rb
index 160a57090..d94d34137 100644
--- a/test/support/ruby_runner.rb
+++ b/test/support/ruby_runner.rb
@@ -1,4 +1,8 @@
 # frozen_string_literal: true
+
+require "open3"
+require "fileutils"
+
 module RubyRunner
   include FileUtils
 
diff --git a/test/test_rake_backtrace.rb b/test/test_rake_backtrace.rb
index e4c7fb0ff..eddb13150 100644
--- a/test/test_rake_backtrace.rb
+++ b/test/test_rake_backtrace.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require File.expand_path("../helper", __FILE__)
-require "open3"
 
 class TestBacktraceSuppression < Rake::TestCase # :nodoc:
   def test_bin_rake_suppressed
diff --git a/test/test_rake_file_utils.rb b/test/test_rake_file_utils.rb
index c27fdd4a2..97b6ea83b 100644
--- a/test/test_rake_file_utils.rb
+++ b/test/test_rake_file_utils.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 require File.expand_path("../helper", __FILE__)
 require "fileutils"
-require "stringio"
 
 class TestRakeFileUtils < Rake::TestCase # :nodoc:
   def setup
diff --git a/test/test_rake_functional.rb b/test/test_rake_functional.rb
index 6ab005f53..3854c5751 100644
--- a/test/test_rake_functional.rb
+++ b/test/test_rake_functional.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 require File.expand_path("../helper", __FILE__)
-require "fileutils"
-require "open3"
 
 class TestRakeFunctional < Rake::TestCase # :nodoc:
   include RubyRunner
diff --git a/test/test_rake_reduce_compat.rb b/test/test_rake_reduce_compat.rb
index 17986dcde..05f514892 100644
--- a/test/test_rake_reduce_compat.rb
+++ b/test/test_rake_reduce_compat.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require File.expand_path("../helper", __FILE__)
-require "open3"
 
 class TestRakeReduceCompat < Rake::TestCase # :nodoc:
   include RubyRunner
diff --git a/test/test_trace_output.rb b/test/test_trace_output.rb
index 4f1a1117e..ddfe2b1c7 100644
--- a/test/test_trace_output.rb
+++ b/test/test_trace_output.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 require File.expand_path("../helper", __FILE__)
-require "stringio"
 
 class TestTraceOutput < Rake::TestCase # :nodoc:
   include Rake::TraceOutput