diff --git a/docs/install.rst b/docs/install.rst
index a8d467e75..fbb5ee382 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -21,12 +21,3 @@ It can also be installed from the source code:
 ::
 
  python setup.py install
-
-For Windows users
-=================
-
-ChainerRL contains ``atari_py`` as dependencies, and windows users may face errors while installing it.
-This problem is discussed in `OpenAI gym issues <https://github.com/openai/gym/issues/11>`_,
-and one possible counter measure is to enable "Bash on Ubuntu on Windows" for Windows 10 users.
-
-Refer `Official install guilde <https://msdn.microsoft.com/en-us/commandline/wsl/install_guide>`_ to install "Bash on Ubuntu on Windows".