diff --git a/lib/onigumo/downloader.ex b/lib/onigumo/downloader.ex
index 7b88e6b..a581049 100644
--- a/lib/onigumo/downloader.ex
+++ b/lib/onigumo/downloader.ex
@@ -57,18 +57,3 @@ defmodule Onigumo.Downloader do
     Application.get_env(:onigumo, :http_client)
   end
 end
-
-defmodule Onigumo.Parser do
-  @moduledoc """
-  Web scraper
-  """
-
-  def main(root_path) do
-    root_path
-    |> File.ls!()
-    |> Enum.reject(&File.dir?(&1))
-    |> Enum.reject(&String.contains?(&1, "."))
-    |> Enum.join("\n")
-    |> IO.puts()
-  end
-end
diff --git a/lib/onigumo/parser.ex b/lib/onigumo/parser.ex
new file mode 100644
index 0000000..82ebd6d
--- /dev/null
+++ b/lib/onigumo/parser.ex
@@ -0,0 +1,14 @@
+defmodule Onigumo.Parser do
+  @moduledoc """
+  Web scraper
+  """
+
+  def main(root_path) do
+    root_path
+    |> File.ls!()
+    |> Enum.reject(&File.dir?(&1))
+    |> Enum.reject(&String.contains?(&1, "."))
+    |> Enum.join("\n")
+    |> IO.puts()
+  end
+end