diff --git a/test/e2e-auto-tls.sh b/test/e2e-auto-tls.sh
deleted file mode 100755
index dd10be3794e2..000000000000
--- a/test/e2e-auto-tls.sh
+++ /dev/null
@@ -1,201 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2020 The Knative Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -e
-
-source $(dirname $0)/e2e-common.sh
-
-function knative_setup() {
-  install_knative_serving
-}
-
-function setup_auto_tls_env_variables() {
-  # DNS zone for the testing domain.
-  export DNS_ZONE="knative-e2e"
-  # Google Cloud project that hosts the DNS server for the testing domain `kn-e2e.dev`
-  export CLOUD_DNS_PROJECT="knative-e2e-dns"
-  # The service account credential file used to access the DNS server.
-  export CLOUD_DNS_SERVICE_ACCOUNT_KEY_FILE="/etc/test-account/service-account.json"
-
-  export CUSTOM_DOMAIN_SUFFIX="$(($RANDOM % 10000)).${E2E_PROJECT_ID}.kn-e2e.dev"
-
-  local INGRESS_NAMESPACE=${GATEWAY_NAMESPACE}
-  if [[ -z "${GATEWAY_NAMESPACE}" ]]; then
-    INGRESS_NAMESPACE="istio-system"
-  fi
-  local INGRESS_SERVICE=${GATEWAY_OVERRIDE}
-  if [[ -z "${GATEWAY_OVERRIDE}" ]]; then
-    INGRESS_SERVICE="istio-ingressgateway"
-  fi
-  local IP=$(kubectl get svc -n ${INGRESS_NAMESPACE} ${INGRESS_SERVICE} -o jsonpath="{.status.loadBalancer.ingress[0].ip}")
-  export INGRESS_IP=${IP}
-}
-
-function setup_custom_domain() {
-  echo ">> Configuring custom domain for Auto TLS tests: ${CUSTOM_DOMAIN_SUFFIX}"
-  cat <<EOF | kubectl apply -f -
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: config-domain
-  namespace: knative-serving
-  labels:
-    serving.knative.dev/release: devel
-data:
-  ${CUSTOM_DOMAIN_SUFFIX}: ""
-EOF
-}
-
-function cleanup_custom_domain() {
-  kubectl apply -f ./config/config-domain.yaml
-}
-
-function turn_on_auto_tls() {
-  kubectl patch configmap config-network -n knative-serving -p '{"data":{"autoTLS":"Enabled"}}'
-}
-
-function turn_off_auto_tls() {
-  kubectl patch configmap config-network -n knative-serving -p '{"data":{"autoTLS":"Disabled"}}'
-}
-
-function setup_auto_tls_common() {
-  setup_auto_tls_env_variables
-
-  setup_custom_domain
-
-  turn_on_auto_tls
-}
-
-function cleanup_auto_tls_common() {
-  cleanup_custom_domain
-
-  turn_off_auto_tls
-  kubectl delete kcert --all -n serving-tests
-}
-
-function setup_http01_auto_tls() {
-    # The name of the test.
-  export AUTO_TLS_TEST_NAME="HTTP01"
-  # The name of the Knative Service deployed in Auto TLS E2E test.
-  export TLS_SERVICE_NAME="http01"
-  # The full host name of the Knative Service. This is used to configure the DNS record.
-  export FULL_HOST_NAME="${TLS_SERVICE_NAME}.serving-tests.${CUSTOM_DOMAIN_SUFFIX}"
-
-  kubectl delete kcert --all -n serving-tests
-
-  kubectl apply -f test/config/autotls/certmanager/http01/
-  setup_dns_record
-}
-
-function setup_selfsigned_per_ksvc_auto_tls() {
-  # The name of the test.
-  export AUTO_TLS_TEST_NAME="SelfSignedPerKsvc"
-  # The name of the Knative Service deployed in Auto TLS E2E test.
-  export TLS_SERVICE_NAME="self-per-ksvc"
-
-  kubectl delete kcert --all -n serving-tests
-  kubectl apply -f test/config/autotls/certmanager/selfsigned/
-}
-
-function setup_selfsigned_per_namespace_auto_tls() {
-  # The name of the test.
-  export AUTO_TLS_TEST_NAME="SelfSignedPerNamespace"
-  # The name of the Knative Service deployed in Auto TLS E2E test.
-  export TLS_SERVICE_NAME="self-per-namespace"
-
-  kubectl delete kcert --all -n serving-tests
-
-  # Enable namespace certificate only for serving-tests namespaces
-  export NAMESPACE_WITH_CERT="serving-tests"
-  go run ./test/e2e/autotls/config/disablenscert
-
-  kubectl apply -f test/config/autotls/certmanager/selfsigned/
-
-  # SERVING_NSCERT_YAML is set in build_knative_from_source function
-  # when building knative.
-  echo "Intall namespace cert controller: ${SERVING_NSCERT_YAML}"
-  if [[ -z "${SERVING_NSCERT_YAML}" ]]; then
-    echo "Error: variable SERVING_NSCERT_YAML is not set."
-    exit 1
-  fi
-  kubectl apply -f ${SERVING_NSCERT_YAML}
-}
-
-function cleanup_per_selfsigned_namespace_auto_tls() {
-  # Disable namespace cert for all namespaces
-  unset NAMESPACE_WITH_CERT
-  go run ./test/e2e/autotls/config/disablenscert
-
-  echo "Uninstall namespace cert controller"
-  kubectl delete -f ${SERVING_NSCERT_YAML} --ignore-not-found=true
-
-  kubectl delete kcert --all -n serving-tests
-  kubectl delete -f ./test/config/autotls/certmanager/selfsigned/ --ignore-not-found=true
-}
-
-function setup_dns_record() {
-  go run ./test/e2e/autotls/config/dnssetup/
-}
-
-function delete_dns_record() {
-  go run ./test/e2e/autotls/config/dnscleanup/
-}
-
-# Script entry point.
-
-# Skip installing istio as an add-on
-initialize $@ --skip-istio-addon
-
-# Run the tests
-header "Running tests"
-
-failed=0
-
-# Auto TLS E2E tests mutate the cluster and must be ran separately
-# because they need auto-tls and cert-manager specific configurations
-subheader "Setup auto tls"
-setup_auto_tls_common
-add_trap "cleanup_auto_tls_common" EXIT SIGKILL SIGTERM SIGQUIT
-
-subheader "Auto TLS test for per-ksvc certificate provision using self-signed CA"
-setup_selfsigned_per_ksvc_auto_tls
-go_test_e2e -timeout=10m \
-  ./test/e2e/autotls/ || failed=1
-kubectl delete -f ./test/config/autotls/certmanager/selfsigned/
-
-subheader "Auto TLS test for per-namespace certificate provision using self-signed CA"
-setup_selfsigned_per_namespace_auto_tls
-add_trap "cleanup_per_selfsigned_namespace_auto_tls" SIGKILL SIGTERM SIGQUIT
-go_test_e2e -timeout=10m \
-  ./test/e2e/autotls/ || failed=1
-cleanup_per_selfsigned_namespace_auto_tls
-
-subheader "Auto TLS test for per-ksvc certificate provision using HTTP01 challenge"
-setup_http01_auto_tls
-add_trap "delete_dns_record" SIGKILL SIGTERM SIGQUIT
-go_test_e2e -timeout=10m \
-  ./test/e2e/autotls/ || failed=1
-kubectl delete -f ./test/config/autotls/certmanager/http01/
-delete_dns_record
-
-subheader "Cleanup auto tls"
-cleanup_auto_tls_common
-
-# Dump cluster state in case of failure
-(( failed )) && dump_cluster_state
-(( failed )) && fail_test
-
-success