diff --git a/README.md b/README.md
index 07e8e1ab..d65066c8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A Chainer module providing mumpy like API and DNN acceleration using MKL-DNN.
 
 ## Requirements
 
-This preview version of iDeep is tested on Ubuntu 16.04 and OS X.
+This preview version is tested on Ubuntu 16.04 and OS X.
 
 Minimum requirements:
 - cmake 3.0.0+
@@ -23,30 +23,13 @@ Other requirements:
 
 ## Installation
 
-### iDeep Cpp API
-
-Head file mode to introduce iDeep Cpp APIs:
-
-```
-#include "ideep.hpp"
-```
-
-Pin singleton head file to one Cpp file of your project to instance iDeep singletons.
-
-```
-@@ main.cc
-#include "ideep_pin_singletons.hpp"
-```
-
-### Install iDeep python package
-
 If you use old ``setuptools``, upgrade it:
 
 ```
 pip install -U setuptools
 ```
 
-Install iDeep python package(ideep4py) from the source code:
+Install python package from the source code:
 
 ```
 git submodule update --init && mkdir build && cd build && cmake ..
@@ -56,7 +39,6 @@ python setup.py install
 
 ## More information
 - MKL-DNN github: https://github.com/01org/mkl-dnn
-- iDeep github: https://github.com/intel/ideep.git
 - Chainer github: https://github.com/chainer/chainer
 
 ## License