diff --git a/scripts/common_functions.sh b/scripts/common_functions.sh
deleted file mode 100755
index 03924b679..000000000
--- a/scripts/common_functions.sh
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/bin/bash
-# Tripleo CI functions
-
-# Revert a commit for tripleo ci
-# $1 : project name e.g. nova
-# $2 : hash id of commit to revert
-# $3 : bug id of reason for revert (used to skip revert if found in commit
-#      that triggers ci).
-function temprevert {
-    # Before reverting check to ensure this isn't the related fix
-    if git --git-dir=$TRIPLEO_ROOT/${ZUUL_PROJECT#*/}/.git log -1 | grep -iE "bug.*$3" ; then
-        echo "Skipping temprevert because bug fix $3 was found in git message."
-        return 0
-    fi
-
-    pushd $TRIPLEO_ROOT/$1
-    # Abort on fail so  we're not left in a conflict state
-    git revert --no-edit $2 || git revert --abort || true
-    popd
-    DELOREAN_BUILD_REFS="${DELOREAN_BUILD_REFS:-} $1"
-}
-
-# Pin to a commit for tripleo ci
-# $1 : project name e.g. nova
-# $2 : hash id of commit to pin too
-# $3 : bug id of reason for the pin (used to skip revert if found in commit
-#      that triggers ci).
-function pin {
-    # Before reverting check to ensure this isn't the related fix
-    if git --git-dir=$TRIPLEO_ROOT/${ZUUL_PROJECT#*/}/.git log -1 | grep -iE "bug.*$3" ; then
-        echo "Skipping pin because bug fix $3 was found in git message."
-        return 0
-    fi
-
-    pushd $TRIPLEO_ROOT/$1
-    git reset --hard $2
-    popd
-    DELOREAN_BUILD_REFS="${DELOREAN_BUILD_REFS:-} $1"
-}
-
-# Cherry-pick a commit for tripleo ci
-# $1 : project name e.g. nova
-# $2 : Gerrit refspec to cherry pick
-# $3 : bug id of reason for the cherry pick (used to skip cherry pick if found
-#      in commit that triggers ci).
-function cherrypick {
-    local PROJ_NAME=$1
-    local REFSPEC=$2
-
-    # Before cherrypicking check to ensure this isn't the related fix
-    if git --git-dir=$TRIPLEO_ROOT/${ZUUL_PROJECT#*/}/.git log -1 | grep -iE "bug.*$3" ; then
-        echo "Skipping cherrypick because bug fix $3 was found in git message."
-        return 0
-    fi
-
-    pushd $TRIPLEO_ROOT/$PROJ_NAME
-    git fetch https://review.opendev.org/openstack/$PROJ_NAME "$REFSPEC"
-    # Abort on fail so  we're not left in a conflict state
-    git cherry-pick FETCH_HEAD || git cherry-pick --abort
-    popd
-    DELOREAN_BUILD_REFS="${DELOREAN_BUILD_REFS:-} $1"
-
-    # Export a DIB_REPOREF variable as well
-    export DIB_REPOREF_${PROJ_NAME//-/_}=$REFSPEC
-
-}
-
-# echo's out a project name from a ref
-# $1 : e.g. openstack/nova:master:refs/changes/87/64787/3 returns nova
-function filterref {
-    PROJ=${1%%:*}
-    PROJ=${PROJ##*/}
-    echo $PROJ
-}
-
-function layer_ci_repo {
-    # Find the path to the trunk repository used
-    TRUNKREPOUSED=$(grep -Eo "[0-9a-z]{2}/[0-9a-z]{2}/[0-9a-z]{40}_[0-9a-z]+" /etc/yum.repos.d/delorean.repo)
-
-    # Layer the ci repository on top of it
-    sudo wget http://$MY_IP:8766/current/delorean-ci.repo -O /etc/yum.repos.d/delorean-ci.repo
-    # rewrite the baseurl in delorean-ci.repo as its currently pointing a https://trunk.rdoproject.org/..
-    sudo sed -i -e "s%baseurl=.*%baseurl=http://$MY_IP:8766/current/%" /etc/yum.repos.d/delorean-ci.repo
-    sudo sed -i -e 's%priority=.*%priority=1%' /etc/yum.repos.d/delorean-ci.repo
-}
-
-
-function echo_vars_to_deploy_env {
-    CALLER=$(caller)
-    echo "# Written via echo_vars_to_deploy_env from $CALLER" >> $TRIPLEO_ROOT/tripleo-ci/deploy.env
-    for VAR in NODEPOOL_CBS_CENTOS_PROXY NODEPOOL_CENTOS_MIRROR http_proxy INTROSPECT MY_IP no_proxy NODECOUNT OVERCLOUD_DEPLOY_ARGS OVERCLOUD_UPDATE_ARGS PACEMAKER SSH_OPTIONS STABLE_RELEASE TRIPLEO_ROOT TRIPLEO_SH_ARGS NETISO_V4 NETISO_V6 TOCI_JOBTYPE UNDERCLOUD_SSL UNDERCLOUD_HEAT_CONVERGENCE RUN_TEMPEST_TESTS RUN_PING_TEST JOB_NAME OVB UNDERCLOUD_IDEMPOTENT MULTINODE CONTROLLER_HOSTS COMPUTE_HOSTS SUBNODES_SSH_KEY TEST_OVERCLOUD_DELETE OVERCLOUD OSINFRA UNDERCLOUD_SANITY_CHECK OVERCLOUD_PINGTEST_ARGS FEATURE_BRANCH OVERCLOUD_ROLES UPGRADE_RELEASE OVERCLOUD_MAJOR_UPGRADE MAJOR_UPGRADE UNDERCLOUD_MAJOR_UPGRADE CA_SERVER UNDERCLOUD_TELEMETRY UNDERCLOUD_UI UNDERCLOUD_VALIDATIONS PREDICTABLE_PLACEMENT OPSTOOLS_REPO_ENABLED UPGRADE_ENV BOOTSTRAP_SUBNODES_MINIMAL MULTINODE_ENV_PATH; do
-        if [ -n "${!VAR:+x}" ]; then
-            echo "export $VAR=\"${!VAR}\"" >> $TRIPLEO_ROOT/tripleo-ci/deploy.env
-        fi
-    done
-    for role in $OVERCLOUD_ROLES; do
-        eval hosts=\${${role}_hosts}
-        echo "export ${role}_hosts=\"${hosts}\"" >> $TRIPLEO_ROOT/tripleo-ci/deploy.env
-    done
-}