diff --git a/Dockerfile b/Dockerfile
index 4e56b02..f83c49a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,14 +7,13 @@ ARG WHEELS=loci/requirements:master-ubuntu
 ARG PROJECT_REPO=https://opendev.org/openstack/${PROJECT}
 ARG PROJECT_REF=master
 ARG PROJECT_RELEASE=master
-ARG DISTRO
-ARG PROFILES
+ARG DISTRO=""
+ARG PROFILES=""
 ARG PIP_PACKAGES=""
 ARG PIP_ARGS=""
 ARG PIP_WHEEL_ARGS=$PIP_ARGS
 ARG DIST_PACKAGES=""
 ARG PLUGIN=no
-ARG PYTHON3=indeed
 ARG EXTRA_BINDEP=""
 ARG EXTRA_PYDEP=""
 ARG REGISTRY_PROTOCOL="detect"
diff --git a/bindep.txt b/bindep.txt
index fc4b650..c5bf9e7 100644
--- a/bindep.txt
+++ b/bindep.txt
@@ -34,7 +34,7 @@ kvm                                  [platform:rpm (infra libvirt)]
 lapack-devel                         [platform:rpm requirements]
 libapache2-mod-auth-mellon           [platform:dpkg (keystone apache mellon)]
 libapache2-mod-auth-openidc          [platform:dpkg (keystone apache openidc)]
-libapache2-mod-wsgi-py3              [platform:dpkg (apache python3)]
+libapache2-mod-wsgi-py3              [platform:dpkg apache]
 libblas-dev                          [platform:dpkg requirements]
 liberasurecode-dev                   [platform:dpkg requirements]
 liberasurecode-devel                 [platform:rpm requirements]
@@ -54,6 +54,8 @@ libosinfo                            [platform:rpm nova]
 libosinfo-bin                        [platform:dpkg nova]
 libpcre3-dev                         [platform:dpkg requirements]
 libpq-dev                            [platform:dpkg requirements]
+# libpythonx.y installation logic is moved to scripts to be able to dynamically
+# determine minor version from default python installed in a system.
 librdkafka-dev                       [platform:dpkg requirements]
 libreswan                            [platform:rpm (neutron vpn)]
 libsasl2-dev                         [platform:dpkg requirements]
@@ -99,11 +101,12 @@ pkg-config                           [platform:dpkg requirements]
 pkgconfig                            [platform:rpm requirements]
 postgresql-devel                     [platform:rpm requirements]
 postgresql-server-devel              [platform:suse requirements]
-python3-dev                          [platform:dpkg (requirements python3)]
-python3-devel                        [platform:rpm (requirements python3)]
-python3-mysqldb                      [platform:dpkg (monasca api python3)]
-python3-rados                        [platform:dpkg (glance ceph python3) (cinder ceph python3) (manila ceph python3) (nova ceph python3)]
-python3-rbd                          [platform:dpkg platform:rpm (glance ceph python3) (cinder ceph python3) (manila ceph python3) (nova ceph python3)]
+python-mysql                         [platform:rpm (monasca api)]
+python3-dev                          [platform:dpkg requirements]
+python3-devel                        [platform:rpm requirements]
+python3-mysqldb                      [platform:dpkg (monasca api)]
+python3-rados                        [platform:dpkg (glance ceph) (cinder ceph) (manila ceph) (nova ceph)]
+python3-rbd                          [(glance ceph) (cinder ceph) (manila ceph) (nova ceph)]
 qemu                                 [platform:dpkg (infra libvirt)]
 qemu-img                             [platform:rpm (nova qemu) (ironic qemu) (cinder qemu) (glance qemu)]
 qemu-utils                           [platform:dpkg (nova qemu) (ironic qemu) (cinder qemu) (glance qemu)]
diff --git a/playbooks/vars.yaml b/playbooks/vars.yaml
index e8a779d..8791d77 100644
--- a/playbooks/vars.yaml
+++ b/playbooks/vars.yaml
@@ -80,4 +80,3 @@ distros:
         FROM: base:ubuntu_bionic
         PROJECT_REF: "stable/ussuri"
         PROJECT_RELEASE: "ussuri"
-        PYTHON3: yes
diff --git a/scripts/install.sh b/scripts/install.sh
index 335c700..aae0d90 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -5,23 +5,14 @@ set -ex
 distro=$(awk -F= '/^ID=/ {gsub(/\"/, "", $2); print $2}' /etc/*release)
 export distro=${DISTRO:=$distro}
 
-if [[ "${PYTHON3}" == "no" ]]; then
-    dpkg_python_packages=("python" "virtualenv")
-    rpm_python_packages=("python" "python-virtualenv")
-    python3=""
-    python_version=2
-else
-    dpkg_python_packages=("python3" "python3-virtualenv")
-    rpm_python_packages=("python3")
-    python3="python3"
-    python_version=3
-fi
+dpkg_python_packages=("python3" "python3-virtualenv")
+rpm_python_packages=("python3")
 
 case ${distro} in
     ubuntu)
         export LC_CTYPE=C.UTF-8
         apt-get update
-        if [[ ! -z "$(apt-cache search ^${python3}-distutils$)" ]]; then
+        if [[ ! -z "$(apt-cache search ^python3-distutils$)" ]]; then
             dpkg_python_packages+=("python3-distutils")
         fi
         apt-get upgrade -y
@@ -34,8 +25,7 @@ case ${distro} in
             sudo \
             ${dpkg_python_packages[@]}
         apt-get install -y --no-install-recommends \
-            libpython${python_version}.$(python${python_version} -c 'import sys;\
-                                         print(sys.version_info.minor);')
+            libpython3.$(python3 -c 'import sys; print(sys.version_info.minor);')
         ;;
     centos)
         export LC_CTYPE=en_US.UTF-8
@@ -78,7 +68,7 @@ if [[ "${PLUGIN}" == "no" ]]; then
     $(dirname $0)/setup_pip.sh
     $(dirname $0)/pip_install.sh bindep
     for file in /opt/loci/pydep*; do
-        PYDEP_PACKAGES+=($(bindep -f $file -b -l newline ${PROJECT} ${PROJECT_RELEASE} ${PROFILES} ${python3} || :))
+        PYDEP_PACKAGES+=($(bindep -f $file -b -l newline ${PROJECT} ${PROJECT_RELEASE} ${PROFILES} || :))
     done
     $(dirname $0)/pip_install.sh ${PYDEP_PACKAGES[@]}
 fi
diff --git a/scripts/install_packages.sh b/scripts/install_packages.sh
index 5f470d4..23d17c4 100755
--- a/scripts/install_packages.sh
+++ b/scripts/install_packages.sh
@@ -2,12 +2,8 @@
 
 set -ex
 
-if [[ "${PYTHON3}" != "no" ]]; then
-    python3=python3
-fi
-
 for file in /opt/loci/bindep*; do
-    PACKAGES+=($(bindep -f $file -b -l newline ${PROJECT} ${PROFILES} ${python3} || :))
+    PACKAGES+=($(bindep -f $file -b -l newline ${PROJECT} ${PROFILES} || :))
 done
 
 if [[ ! -z ${PACKAGES} ]]; then
diff --git a/scripts/setup_pip.sh b/scripts/setup_pip.sh
index bf4021c..76bb4ca 100755
--- a/scripts/setup_pip.sh
+++ b/scripts/setup_pip.sh
@@ -3,11 +3,7 @@
 set -ex
 
 
-if [[ "${PYTHON3}" == "no" ]]; then
-    TMP_VIRTUALENV="virtualenv"
-else
-    TMP_VIRTUALENV="python3 -m virtualenv --python=python3"
-fi
+TMP_VIRTUALENV="python3 -m virtualenv --python=python3"
 
 # This little dance allows us to install the latest pip
 # without get_pip.py or the python-pip package (in epel on centos)