diff --git a/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb b/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb
deleted file mode 100644
index 0657bc23894b1..0000000000000
--- a/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# frozen_string_literal: true
-
-require "rails/generators/test_unit"
-
-module TestUnit # :nodoc:
-  module Generators # :nodoc:
-    class PluginGenerator < Base # :nodoc:
-      check_class_collision suffix: "Test"
-
-      def create_test_files
-        directory ".", "test"
-      end
-    end
-  end
-end
diff --git a/railties/lib/rails/generators/test_unit/plugin/templates/%file_name%_test.rb.tt b/railties/lib/rails/generators/test_unit/plugin/templates/%file_name%_test.rb.tt
deleted file mode 100644
index 39eb17ce5448a..0000000000000
--- a/railties/lib/rails/generators/test_unit/plugin/templates/%file_name%_test.rb.tt
+++ /dev/null
@@ -1,7 +0,0 @@
-require "test_helper"
-
-class <%= class_name %>Test < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
-end
diff --git a/railties/lib/rails/generators/test_unit/plugin/templates/test_helper.rb b/railties/lib/rails/generators/test_unit/plugin/templates/test_helper.rb
deleted file mode 100644
index 4eb3868c6b88d..0000000000000
--- a/railties/lib/rails/generators/test_unit/plugin/templates/test_helper.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-require "active_support/testing/autorun"
-require "active_support"