diff --git a/hack/lib/util.sh b/hack/lib/util.sh
index 8fd29213de5..ecb7c2f09dc 100755
--- a/hack/lib/util.sh
+++ b/hack/lib/util.sh
@@ -698,7 +698,10 @@ function kube::util::ensure_dockerized {
 #  SED: The name of the gnu-sed binary
 #
 function kube::util::ensure-gnu-sed {
-  if LANG=C sed --help 2>&1 | grep -q GNU; then
+  # NOTE: the echo below is a workaround to ensure sed is executed before the grep.
+  # see: https://github.com/kubernetes/kubernetes/issues/87251
+  sed_help="$(LANG=C sed --help 2>&1)"
+  if echo "${sed_help}" | grep -q "GNU\|BusyBox"; then
     SED="sed"
   elif command -v gsed &>/dev/null; then
     SED="gsed"
diff --git a/test/images/image-util.sh b/test/images/image-util.sh
index 2e7791f8394..732084ed9c2 100755
--- a/test/images/image-util.sh
+++ b/test/images/image-util.sh
@@ -22,6 +22,7 @@ TASK=$1
 WHAT=$2
 
 KUBE_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd -P)"
+source "${KUBE_ROOT}/hack/lib/logging.sh"
 source "${KUBE_ROOT}/hack/lib/util.sh"
 
 # Mapping of go ARCH to actual architectures shipped part of multiarch/qemu-user-static project
@@ -166,8 +167,7 @@ if [[ "${WHAT}" == "all-conformance" ]]; then
   # Discussed during Conformance Office Hours Meeting (2019.12.17):
   # https://docs.google.com/document/d/1W31nXh9RYAb_VaYkwuPLd1hFxuRX3iU0DmaQ4lkCsX8/edit#heading=h.l87lu17xm9bh
   # echoserver image not included: https://github.com/kubernetes/kubernetes/issues/84158
-  conformance_images=("agnhost" "dnsutils" "jessie-dnsutils" "kitten" "mounttest" "mounttest-user"\
-    "nautilus" "nonewprivs" "resource-consumer" "resource-consumer-controller" "sample-apiserver" "test-webserver")
+  conformance_images=("agnhost" "jessie-dnsutils" "kitten" "nautilus" "nonewprivs" "resource-consumer" "sample-apiserver")
   for image in "${conformance_images[@]}"; do
     eval "${TASK}" "${image}"
   done
diff --git a/test/images/jessie-dnsutils/VERSION b/test/images/jessie-dnsutils/VERSION
index 9459d4ba2a0..5625e59da88 100644
--- a/test/images/jessie-dnsutils/VERSION
+++ b/test/images/jessie-dnsutils/VERSION
@@ -1 +1 @@
-1.1
+1.2
diff --git a/test/images/mounttest-user/BASEIMAGE b/test/images/mounttest-user/BASEIMAGE
deleted file mode 100644
index 0d501766eeb..00000000000
--- a/test/images/mounttest-user/BASEIMAGE
+++ /dev/null
@@ -1,5 +0,0 @@
-amd64=gcr.io/kubernetes-e2e-test-images/mounttest-amd64:1.0
-arm=gcr.io/kubernetes-e2e-test-images/mounttest-arm:1.0
-arm64=gcr.io/kubernetes-e2e-test-images/mounttest-arm64:1.0
-ppc64le=gcr.io/kubernetes-e2e-test-images/mounttest-ppc64le:1.0
-s390x=gcr.io/kubernetes-e2e-test-images/mounttest-s390x:1.0
diff --git a/test/images/mounttest-user/Dockerfile b/test/images/mounttest-user/Dockerfile
deleted file mode 100644
index 132e4c19cc5..00000000000
--- a/test/images/mounttest-user/Dockerfile
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2016 The Kubernetes 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.
-
-FROM BASEIMAGE
-USER 1001
diff --git a/test/images/mounttest-user/VERSION b/test/images/mounttest-user/VERSION
deleted file mode 100644
index d3827e75a5c..00000000000
--- a/test/images/mounttest-user/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-1.0
diff --git a/test/images/nonewprivs/VERSION b/test/images/nonewprivs/VERSION
index d3827e75a5c..9459d4ba2a0 100644
--- a/test/images/nonewprivs/VERSION
+++ b/test/images/nonewprivs/VERSION
@@ -1 +1 @@
-1.0
+1.1
diff --git a/test/images/resource-consumer/VERSION b/test/images/resource-consumer/VERSION
index c239c60cba2..810ee4e91e2 100644
--- a/test/images/resource-consumer/VERSION
+++ b/test/images/resource-consumer/VERSION
@@ -1 +1 @@
-1.5
+1.6
diff --git a/test/images/sample-apiserver/VERSION b/test/images/sample-apiserver/VERSION
index b48f3226098..06fb41b6322 100644
--- a/test/images/sample-apiserver/VERSION
+++ b/test/images/sample-apiserver/VERSION
@@ -1 +1 @@
-1.17
+1.17.2