diff --git a/docker/Dockerfile b/docker/Dockerfile
deleted file mode 100644
index 5040ad9c..00000000
--- a/docker/Dockerfile
+++ /dev/null
@@ -1,26 +0,0 @@
-ARG swift_version=5.9
-ARG ubuntu_version=jammy
-ARG base_image=swift:${swift_version}-${ubuntu_version}
-
-FROM ${base_image}
-ARG swift_version
-ARG ubuntu_version
-
-# set as UTF-8
-RUN apt-get update && apt-get install -y locales locales-all
-ENV LC_ALL en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
-
-# tools
-RUN mkdir -p $HOME/.tools
-RUN echo 'export PATH="$HOME/.tools:$PATH"' >> $HOME/.profile
-
-# swift-format
-ARG swiftformat_version=509.0.0
-RUN git clone --branch $swiftformat_version --depth 1 https://github.com/apple/swift-format $HOME/.tools/swift-format-source
-RUN cd $HOME/.tools/swift-format-source && swift build -c release
-RUN ln -s $HOME/.tools/swift-format-source/.build/release/swift-format $HOME/.tools/swift-format
-
-# jq
-RUN apt-get install -y jq
diff --git a/docker/docker-compose.2204.510.yaml b/docker/docker-compose.2204.510.yaml
deleted file mode 100644
index 59c54fb6..00000000
--- a/docker/docker-compose.2204.510.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-version: "3"
-
-services:
-  runtime-setup:
-    image: &image swift-openapi-generator:22.04-5.10
-    build:
-      args:
-        ubuntu_version: "jammy"
-        swift_version: "5.10"
-
-  test:
-    image: *image
-    environment:
-      # Disable warnings as errors on nightlies as they are still in-development.
-      # - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
-      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
-      - STRICT_CONCURRENCY_ARG=-Xswiftc -strict-concurrency=complete
-  shell:
-    image: *image
diff --git a/docker/docker-compose.2204.59.yaml b/docker/docker-compose.2204.59.yaml
deleted file mode 100644
index 7249f7e5..00000000
--- a/docker/docker-compose.2204.59.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-version: "3"
-
-services:
-  runtime-setup:
-    image: &image swift-openapi-generator:22.04-5.9
-    build:
-      args:
-        ubuntu_version: "jammy"
-        swift_version: "5.9"
-
-  test:
-    image: *image
-    environment:
-      # - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
-      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
-      - STRICT_CONCURRENCY_ARG=-Xswiftc -strict-concurrency=complete
-  shell:
-    image: *image
diff --git a/docker/docker-compose.2204.590.yaml b/docker/docker-compose.2204.590.yaml
deleted file mode 100644
index 55da380d..00000000
--- a/docker/docker-compose.2204.590.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-version: "3"
-
-services:
-  runtime-setup:
-    image: &image swift-openapi-generator:22.04-5.9.0
-    build:
-      args:
-        ubuntu_version: "jammy"
-        swift_version: "5.9.0"
-
-  test:
-    image: *image
-    environment:
-      # - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
-      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
-      - STRICT_CONCURRENCY_ARG=-Xswiftc -strict-concurrency=complete
-  shell:
-    image: *image
diff --git a/docker/docker-compose.2204.main.yaml b/docker/docker-compose.2204.main.yaml
deleted file mode 100644
index 970dc360..00000000
--- a/docker/docker-compose.2204.main.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: &image swift-openapi-generator:22.04-main
-    build:
-      args:
-        base_image: "swiftlang/swift:nightly-main-jammy"
-
-  test:
-    image: *image
-    environment:
-      # Disable warnings as errors on nightlies as they are still in-development.
-      # - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
-      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
-      - STRICT_CONCURRENCY_ARG=-Xswiftc -strict-concurrency=complete
-  shell:
-    image: *image
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
deleted file mode 100644
index fef55241..00000000
--- a/docker/docker-compose.yaml
+++ /dev/null
@@ -1,63 +0,0 @@
-# NOTE: This file is not designed to be run independently.
-#
-# Instead, use it with a file for a specific OS and Swift version, for example:
-#
-# % docker-compose \
-#   -f docker/docker-compose.yaml \
-#   -f docker/docker-compose.2204.59.yaml \
-#   run test
-#
-version: "3"
-
-services:
-  runtime-setup:
-    image: &image swift-openapi-generator:default
-    build:
-      context: .
-      dockerfile: Dockerfile
-
-  common: &common
-    image: *image
-    depends_on: [runtime-setup]
-    volumes:
-      - ~/.ssh:/root/.ssh
-      - ..:/code:z
-    working_dir: /code
-
-  soundness:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"
-
-  test:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"
-
-  shell:
-    <<: *common
-    entrypoint: /bin/bash
-
-  integration-test:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"
-    environment:
-      SWIFT_OPENAPI_GENERATOR_REPO_URL: file:///code
-
-  compatibility-test:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"
-    environment:  # These can be overridden when running locally.
-      SWIFT_OPENAPI_COMPATIBILITY_TEST_ENABLE: "true"
-      SWIFT_OPENAPI_COMPATIBILITY_TEST_SKIP_BUILD: "true"
-      SWIFT_OPENAPI_COMPATIBILITY_TEST_FILTER: OpenAPIGeneratorReferenceTests.CompatibilityTest
-      SWIFT_OPENAPI_COMPATIBILITY_TEST_PARALLEL_CODEGEN: "true"
-      SWIFT_OPENAPI_COMPATIBILITY_TEST_NUM_BUILD_JOBS: 1
-
-  docc-test:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"
-    environment:
-      DOCC_TARGET: swift-openapi-generator
-
-  examples:
-    <<: *common
-    command: echo "skipping; moved to Github Actions"