diff --git a/app/controllers/foo/bars_controller.rb b/app/controllers/foo/bars_controller.rb
index e23b30f..ccf9910 100644
--- a/app/controllers/foo/bars_controller.rb
+++ b/app/controllers/foo/bars_controller.rb
@@ -1,4 +1,5 @@
 class BarsController < ApplicationController
+  # こんにちは
   def show
     @instance_text = params[:bar]
     @instance_text2 = params[:bar2]
diff --git a/test.rb b/test.rb
deleted file mode 100644
index 271714d..0000000
--- a/test.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class Foo
-  def bar(input)
-    system(input)
-  end
-end