diff --git a/src/main/docker/runtime/.gitignore b/src/main/docker/runtime/.gitignore
deleted file mode 100644
index 3ed2fbd..0000000
--- a/src/main/docker/runtime/.gitignore
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-FileCopyrightText: © 2022 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-/cache
-/jdk-dist
diff --git a/src/main/docker/runtime/Dockerfile b/src/main/docker/runtime/Dockerfile
deleted file mode 100644
index ad41771..0000000
--- a/src/main/docker/runtime/Dockerfile
+++ /dev/null
@@ -1,30 +0,0 @@
-# SPDX-FileCopyrightText: © 2022 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-FROM registry.access.redhat.com/ubi8/ubi-minimal:latest AS ubi-minimal
-
-# Add OpenJDK (complete).
-ADD jdk-dist/latest.tar.gz /jdk
-
-# JLink a trimmed JDK.
-RUN microdnf --assumeyes --nodocs install binutils
-RUN /jdk/*/bin/jlink \
-    -J-XX:MaxRAMPercentage=75 \
-    --add-modules java.base,java.instrument,java.naming,java.rmi,java.scripting,java.security.jgss,java.security.sasl,java.sql,jdk.compiler,jdk.jconsole,jdk.unsupported \
-    --compress=1 \
-    --no-man-pages \
-    --strip-debug \
-    --output /java
-RUN /java/bin/java -Xshare:dump
-
-# Set mtimes to @0 for reproducibility.
-RUN microdnf --assumeyes --nodocs install findutils
-RUN find /java -exec touch --date=@0 '{}' ';'
-
-# Build the final image.
-FROM registry.access.redhat.com/ubi8/ubi-micro:latest
-COPY --from=ubi-minimal /lib64/libz.so.1 /lib64/
-COPY --from=ubi-minimal /java /java
-ENV JAVA_HOME=/java
-ENV PATH=/java/bin:$PATH
diff --git a/src/main/docker/runtime/build b/src/main/docker/runtime/build
deleted file mode 100755
index 01347d7..0000000
--- a/src/main/docker/runtime/build
+++ /dev/null
@@ -1,36 +0,0 @@
-#! /bin/sh
-# SPDX-FileCopyrightText: © 2022 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-set -euo pipefail
-
-cd "$(dirname $(readlink -e "$0"))"
-
-image=docker.benkard.de/mulk/openjdk-runtime:latest
-use_kaniko=no
-
-./prepare
-
-if [[ "${use_kaniko}" == yes ]]; then
-    docker run \
-        --mount type=bind,src="$PWD",target=/workspace \
-        gcr.io/kaniko-project/warmer:latest \
-        --cache-dir=/workspace/cache \
-        --image=registry.access.redhat.com/ubi8/ubi-micro:latest \
-        --image=registry.access.redhat.com/ubi8/ubi-minimal:latest
-
-    docker run \
-        --mount type=bind,src="$PWD",target=/workspace \
-        --mount type=bind,src="$HOME/.docker",target=/root/.docker,ro=true \
-        gcr.io/kaniko-project/executor:latest \
-        --dockerfile Dockerfile \
-        --destination "${image}" \
-        --context dir:///workspace/ \
-        --cache=true \
-        --cache-ttl=16800h0m0s \
-        --reproducible=true
-else
-    docker build -t "${image}" .
-    docker push "${image}"
-fi
diff --git a/src/main/docker/runtime/prepare b/src/main/docker/runtime/prepare
deleted file mode 100755
index f0fddba..0000000
--- a/src/main/docker/runtime/prepare
+++ /dev/null
@@ -1,16 +0,0 @@
-#! /bin/sh
-# SPDX-FileCopyrightText: © 2022 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-set -euo pipefail
-
-cd "$(dirname $(readlink -e "$0"))"
-
-openjdk_package_info=$(curl "https://api.foojay.io/disco/v2.0/packages?package_type=jdk&latest=per_distro&directly_downloadable=true&release_status=ga&javafx_bundled=false&operating_system=linux&architecture=x64&archive_type=tar.gz&distro=oracle_open_jdk")
-
-openjdk_package_uri=$(jq -r '.result[0].links.pkg_download_redirect' <<<"${openjdk_package_info}")
-openjdk_package_filename=$(jq -r '.result[0].filename' <<<"${openjdk_package_info}")
-curl --fail --create-dirs -C - -o "jdk-dist/${openjdk_package_filename}" "${openjdk_package_uri}"
-
-ln -svf "${openjdk_package_filename}" "jdk-dist/latest.tar.gz"