diff --git a/common/environment/setup/python.sh b/common/environment/setup/python.sh
index 939293aa953..d1f4d49a10a 100644
--- a/common/environment/setup/python.sh
+++ b/common/environment/setup/python.sh
@@ -1,22 +1,17 @@
 #
 # Useful variables for determining Python version and paths.
 #
-__python2="/usr/bin/python2"
-__python3="/usr/bin/python3"
 
 # set version 2 as the default Python
 python_version="2"
 
-if [ -x ${__python2} ]; then
-  py2_ver="2.7"
-  py2_lib="/usr/lib/python${py2_ver}"
-  py2_sitelib="${py2_lib}/site-packages"
-  py2_inc="/usr/include/python${py2_ver}"
-fi
-if [ -x ${__python3} ]; then
-  py3_ver="3.6"
-  py3_abiver="m"
-  py3_lib="/usr/lib/python${py3_ver}"
-  py3_sitelib="${py3_lib}/site-packages"
-  py3_inc="/usr/include/python${py3_ver}${py3_abiver}"
-fi
+py2_ver="2.7"
+py2_lib="/usr/lib/python${py2_ver}"
+py2_sitelib="${py2_lib}/site-packages"
+py2_inc="/usr/include/python${py2_ver}"
+
+py3_ver="3.6"
+py3_abiver="m"
+py3_lib="/usr/lib/python${py3_ver}"
+py3_sitelib="${py3_lib}/site-packages"
+py3_inc="/usr/include/python${py3_ver}${py3_abiver}"