diff --git a/.github/workflows/commit.yaml b/.github/workflows/commit.yaml
index c895a062..3225fa11 100644
--- a/.github/workflows/commit.yaml
+++ b/.github/workflows/commit.yaml
@@ -135,20 +135,11 @@ jobs:
 
       - name: "Install 'Docker for Mac' (Latest)"
         uses: docker-practice/actions-setup-docker@v1
-        if: runner.os == 'macOS' && matrix.args.extension-language == 'tinygo'
+        if: runner.os == 'macOS'
         with:
           docker_buildx: false  # Install is flakey. When it, we can install it via docker/setup-buildx-action@v1
         timeout-minutes: 20  # fail fast if MacOS install takes too long
 
-      - name: "Install 'Docker for Mac' (2.0.0.3 2019-02-15)"  # Avoid >1hr tests on macOS+rust. See issue #145
-        if: runner.os == 'macOS' && matrix.args.extension-language == 'rust'
-        # don't use `DOCKER_BUILDKIT=1`, `--build-arg BUILDKIT_INLINE_CACHE=1` and `--cache-from`
-        # options when using this version of `Docker for Mac`
-        run: |
-          ./ci/e2e/darwin/install_docker.sh
-          echo "USE_DOCKER_BUILDKIT_CACHE=no" >> $GITHUB_ENV
-        timeout-minutes: 20  # fail fast if MacOS install takes too long
-
       - name: "Build language-specific Docker build images"
         run: make builders
         timeout-minutes: 20  # NOTE: the rust image is very large and can alone take 7 minutes to download and build
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index edff87c1..a73bf0fb 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -122,20 +122,11 @@ jobs:
 
       - name: "Install 'Docker for Mac' (Latest)"
         uses: docker-practice/actions-setup-docker@v1
-        if: runner.os == 'macOS' && matrix.args.extension-language == 'tinygo'
+        if: runner.os == 'macOS'
         with:
           docker_buildx: false  # Install is flakey. When it, we can install it via docker/setup-buildx-action@v1
         timeout-minutes: 20  # fail fast if MacOS install takes too long
 
-      - name: "Install 'Docker for Mac' (2.0.0.3 2019-02-15)"  # Avoid >1hr tests on macOS+rust. See issue #145
-        if: runner.os == 'macOS' && matrix.args.extension-language == 'rust'
-        # don't use `DOCKER_BUILDKIT=1`, `--build-arg BUILDKIT_INLINE_CACHE=1` and `--cache-from`
-        # options when using this version of `Docker for Mac`
-        run: |
-          ./ci/e2e/darwin/install_docker.sh
-          echo "USE_DOCKER_BUILDKIT_CACHE=no" >> $GITHUB_ENV
-        timeout-minutes: 20  # fail fast if MacOS install takes too long
-
       - name: "Pull extension builder images"
         # pull Docker images in advance to make output of
         # `getenvoy extension build | test | run` stable
diff --git a/ci/e2e/darwin/install_docker.sh b/ci/e2e/darwin/install_docker.sh
deleted file mode 100755
index f2c7f6c7..00000000
--- a/ci/e2e/darwin/install_docker.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2020 Tetrate
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -e
-
-TMP_DIR=$(mktemp -d)
-
-# Docker for Mac 2.0.0.3-ce-mac81,31259 (the last version of 'Docker for Mac' that can be installed in CI environment)
-E2E_MACOS_DOCKER_CASK_VERSION="${E2E_MACOS_DOCKER_CASK_VERSION:-8ce4e89d10716666743b28c5a46cd54af59a9cc2}"
-
-# install Docker for Mac
-pushd "${TMP_DIR}"
-curl -L https://raw.githubusercontent.com/Homebrew/homebrew-cask/${E2E_MACOS_DOCKER_CASK_VERSION}/Casks/docker.rb > docker.rb
-brew install --cask docker.rb
-popd
-
-# follow instructions from:
-#   https://github.com/microsoft/azure-pipelines-image-generation/issues/738#issuecomment-496211237
-#   https://github.com/microsoft/azure-pipelines-image-generation/issues/738#issuecomment-522301481
-sudo /Applications/Docker.app/Contents/MacOS/Docker --quit-after-install --unattended
-nohup /Applications/Docker.app/Contents/MacOS/Docker --unattended > /dev/stdout &
-while ! docker info 2> /dev/null; do
-	sleep 5
-	echo "Waiting for docker service to be in the running state. \
-	If Docker is not ready within 10 minutes, it's better to fail the current CI Job and let the comitter to re-start the job manually"
-done
-
-# Verify install without using docker.io as it is rate-limited
-# .github/workflows/internal-images.yml publishes this
-docker run --rm ghcr.io/tetratelabs/getenvoy-internal:busybox date