diff --git a/test/runner/.dockerignore b/test/runner/.dockerignore
deleted file mode 100644
index c1e8015167..0000000000
--- a/test/runner/.dockerignore
+++ /dev/null
@@ -1,3 +0,0 @@
-*
-!docker
-!requirements
diff --git a/test/runner/Dockerfile b/test/runner/Dockerfile
deleted file mode 100644
index 9f8b0fd1f0..0000000000
--- a/test/runner/Dockerfile
+++ /dev/null
@@ -1,76 +0,0 @@
-FROM ubuntu:16.04
-
-COPY docker/deadsnakes.list /etc/apt/sources.list.d/deadsnakes.list
-
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F23C5A6CF475977595C89F51BA6932366A755776
-
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    ca-certificates \
-    curl \
-    gcc \
-    git \
-    libbz2-dev \
-    libffi-dev \
-    libreadline-dev \
-    libsqlite3-dev \
-    libxml2-dev \
-    libxslt1-dev \
-    locales \
-    make \
-    openssh-client \
-    openssl \
-    python2.6-dev \
-    python2.7-dev \
-    python3.5-dev \
-    python3.6-dev \
-    shellcheck \
-    && \
-    apt-get clean
-
-ADD https://raw.githubusercontent.com/pyenv/pyenv-installer/master/bin/pyenv-installer /tmp/pyenv-installer
-RUN bash -c 'PYENV_ROOT=/usr/local/opt/pyenv bash /tmp/pyenv-installer'
-COPY docker/python* /tmp/
-RUN bash -c 'PYENV_ROOT=/usr/local/opt/pyenv /usr/local/opt/pyenv/bin/pyenv install /tmp/python3.7.0a2'
-RUN ln -s /usr/local/opt/pyenv/versions/python3.7.0a2/bin/python3.7 /usr/local/bin/python3.7
-RUN ln -s /usr/local/opt/pyenv/versions/python3.7.0a2/bin/pip3.7 /usr/local/bin/pip3.7
-
-RUN rm /etc/apt/apt.conf.d/docker-clean
-RUN locale-gen en_US.UTF-8
-VOLUME /sys/fs/cgroup /run/lock /run /tmp
-
-ADD https://bootstrap.pypa.io/get-pip.py /tmp/get-pip.py
-
-COPY requirements/*.txt /tmp/requirements/
-COPY docker/requirements.sh /tmp/
-RUN cd /tmp/requirements && /tmp/requirements.sh
-
-RUN ln -s python2.7 /usr/bin/python2
-RUN ln -s python3.6 /usr/bin/python3
-RUN ln -s python3   /usr/bin/python
-
-# Install dotnet core SDK, pwsh, and other PS/.NET sanity test tools.
-# For now, we need to manually purge XML docs and other items from a Nuget dir to vastly reduce the image size.
-# See https://github.com/dotnet/dotnet-docker/issues/237 for details.
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    apt-transport-https \
-    && \
-    apt-get clean
-ADD https://packages.microsoft.com/config/ubuntu/16.04/prod.list /etc/apt/sources.list.d/microsoft.list
-RUN curl --silent https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
-RUN apt-get update -y && \
-    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    dotnet-sdk-2.1.4 \
-    powershell \
-    && \
-    find /usr/share/dotnet/sdk/NuGetFallbackFolder/ -name '*.xml' -type f -delete \
-    && \
-    apt-get clean
-RUN dotnet --version
-RUN pwsh --version
-COPY requirements/sanity.ps1 /tmp/
-RUN /tmp/sanity.ps1
-
-ENV container=docker
-CMD ["/sbin/init"]
diff --git a/test/runner/docker/deadsnakes.list b/test/runner/docker/deadsnakes.list
deleted file mode 100644
index 32a1fbc14f..0000000000
--- a/test/runner/docker/deadsnakes.list
+++ /dev/null
@@ -1,2 +0,0 @@
-deb http://ppa.launchpad.net/deadsnakes/ppa/ubuntu xenial main
-deb-src http://ppa.launchpad.net/deadsnakes/ppa/ubuntu xenial main
diff --git a/test/runner/docker/python3.7.0a2 b/test/runner/docker/python3.7.0a2
deleted file mode 100644
index bd6a16826c..0000000000
--- a/test/runner/docker/python3.7.0a2
+++ /dev/null
@@ -1,8 +0,0 @@
-#require_gcc
-install_package "openssl-1.0.2k" "https://www.openssl.org/source/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "https://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
-if has_tar_xz_support; then
-  install_package "Python-3.7.0a2" "https://www.python.org/ftp/python/3.7.0/Python-3.7.0a2.tar.xz#3e5adaa8a264b0c8eeab7b8a0185acec053b0d1547d2712ebc915153c4a52f28" ldflags_dirs standard verify_py37 ensurepip
-else
-  install_package "Python-3.7.0a2" "https://www.python.org/ftp/python/3.7.0/Python-3.7.0a2.tgz#e1fd8af5a80d99ab64e7754f1bdd6d8429bf82ead81c68809ce056af319577be" ldflags_dirs standard verify_py37 ensurepip
-fi
diff --git a/test/runner/docker/requirements.sh b/test/runner/docker/requirements.sh
deleted file mode 100755
index 8dca51d60b..0000000000
--- a/test/runner/docker/requirements.sh
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/bin/bash -eu
-
-python_versions=(
-    2.6
-    2.7
-    3.5
-    3.6
-    3.7
-)
-
-requirements=()
-
-for requirement in *.txt; do
-    if [ "${requirement}" != "constraints.txt" ]; then
-        requirements+=("${requirement}")
-    fi
-done
-
-for python_version in "${python_versions[@]}"; do
-    version_requirements=()
-
-    for requirement in "${requirements[@]}"; do
-        case "${python_version}" in
-            "2.6")
-                case "${requirement}" in
-                    "integration.cloud.azure.txt") continue ;;
-                esac
-        esac
-
-        version_requirements+=("${requirement}")
-    done
-
-    echo "==> Installing pip for python ${python_version} ..."
-
-    set -x
-    "python${python_version}" --version
-    "python${python_version}" /tmp/get-pip.py -c constraints.txt
-    "pip${python_version}" --version --disable-pip-version-check
-    set +x
-
-    echo "==> Installing requirements for python ${python_version} ..."
-
-    for requirement in "${version_requirements[@]}"; do
-        set -x
-        "pip${python_version}" install --disable-pip-version-check -c constraints.txt -r "${requirement}"
-        set +x
-    done
-
-    echo "==> Checking for requirements conflicts for ${python_version} ..."
-
-    after=$("pip${python_version}" list --format=legacy)
-
-    for requirement in "${version_requirements[@]}"; do
-        before="${after}"
-
-        set -x
-        "pip${python_version}" install --disable-pip-version-check -c constraints.txt -r "${requirement}"
-        set +x
-
-        after=$("pip${python_version}" list --format=legacy)
-
-        if [ "${before}" != "${after}" ]; then
-            echo "==> Conflicts detected in requirements for python ${python_version}: ${requirement}"
-            echo ">>> Before"
-            echo "${before}"
-            echo ">>> After"
-            echo "${after}"
-            exit 1
-        fi
-    done
-
-    echo "==> Finished with requirements for python ${python_version}."
-done
diff --git a/test/runner/lib/classification.py b/test/runner/lib/classification.py
index 5f1979dbe5..37ec6f1eb2 100644
--- a/test/runner/lib/classification.py
+++ b/test/runner/lib/classification.py
@@ -602,9 +602,6 @@ class PathMapper(object):
             if path == 'test/runner/completion/docker.txt':
                 return all_tests(self.args, force=True)  # force all tests due to risk of breaking changes in new test environment
 
-        if path.startswith('test/runner/docker/'):
-            return minimal  # not used by tests, only used to build the default container
-
         if path.startswith('test/runner/lib/cloud/'):
             cloud_target = 'cloud/%s/' % name
 
@@ -647,12 +644,6 @@ class PathMapper(object):
                     }
 
         if path.startswith('test/runner/'):
-            if dirname == 'test/runner' and name in (
-                    'Dockerfile',
-                    '.dockerignore',
-            ):
-                return minimal  # not used by tests, only used to build the default container
-
             return all_tests(self.args)  # test infrastructure, run all tests
 
         if path.startswith('test/utils/shippable/tools/'):