diff --git a/README.md b/README.md
index d18fa6e..faef527 100644
--- a/README.md
+++ b/README.md
@@ -1,28 +1,3 @@
 ## Petra-M geometry
 
 Geometry editor interface
-
-### Build/Install
-   These steps are common to all PetraM module installation
-
-   1) decide install destination and set enviromental variables, PetraM
-   
-      example)
-         - export PetraM=/usr/local/PetraM  (public place)
-         - export PetraM=/Users/shiraiwa/sandbox_root/PetraM (user directory)
-
-   2) add PYTHONPATH
-      - if you dont have, make python package directory 
-           mkdir -p $PetraM/lib/python2.7/site-packages
-      - set PYTHONPATH
-           export PYTHONPATH=$PetraM/lib/python2.7/site-packages:$PYTHONPATH
-
-   4) prepare Makefile
-       use a file in Makefile_templates.
-       Makefile_default may work well.
-
-   5) build
-      - make 
-
-   6) install
-      - make install