diff --git a/hrp2-machine/Makefile b/hrp2-machine/Makefile
index 78857e7bc5bc0067476f2d0713e3740e09b5e7f4..6aa94b1f6d5275d1d7dc438fd83b83fdc3c4a5af 100644
--- a/hrp2-machine/Makefile
+++ b/hrp2-machine/Makefile
@@ -34,8 +34,3 @@ include ../../mk/sysdep/pdflatex.mk
 include ../../mk/language/c.mk
 include ../../mk/language/c++.mk
 include ../../mk/robotpkg.mk
-
-CONFIGURE_ENV+=      ROS_ROOT=$(call quote,/opt/openrobots/share/ros)
-CONFIGURE_ENV+=      ROS_PACKAGE_PATH=$(call quote,/opt/openrobots/share:/opt/openrobots/stacks)
-CONFIGURE_ENV+=      ROS_MASTER_URI=$(call quote,http://localhost:11311)
-CONFIGURE_ENV+=      ROS_DISTRO=$(call quote,${PREFER.ros})