Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

23 files changed, 0 insertions, 2853 deletions

diff --git a/taskcluster/ci/source-test/android-compare-locales.yml b/taskcluster/ci/source-test/android-compare-locales.yml
deleted file mode 100644
index 6423ad708d..0000000000
--- a/taskcluster/ci/source-test/android-compare-locales.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    description: 'Validate android strings.xml with compare-locales'
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: 'pip install --break-system-packages --user "compare-locales>=5.0.2,<6.0" && /builds/worker/.local/bin/compare-locales --validate l10n.toml .'
-    worker-type: t-linux-xlarge-source
-    platform: lint/opt
-    treeherder:
-        kind: other
-        tier: 2
-    worker:
-        docker-image: {in-tree: lint}
-        max-run-time: 1800
-    use-python: system
-
-
-compare-locales-android-components:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/android-components/**"
-    run:
-        cwd: '{checkout}/mobile/android/android-components'
-    treeherder:
-        symbol: compare-locales(AC)
-
-compare-locales-focus:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/focus-android/**"
-    run:
-        cwd: '{checkout}/mobile/android/focus-android'
-    treeherder:
-        symbol: compare-locales(focus)
-
-compare-locales-fenix:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/fenix/**"
-    run:
-        cwd: '{checkout}/mobile/android/fenix'
-    treeherder:
-        symbol: compare-locales(fenix)
diff --git a/taskcluster/ci/source-test/android-detekt.yml b/taskcluster/ci/source-test/android-detekt.yml
deleted file mode 100644
index 84f46ed6b7..0000000000
--- a/taskcluster/ci/source-test/android-detekt.yml
+++ /dev/null
@@ -1,76 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    description: 'Run detekt over all modules'
-    run:
-        using: gradlew
-        gradlew: ['detekt']
-        use-caches: false
-    worker:
-        docker-image: {in-tree: lint}
-        max-run-time: 1200
-        env:
-            JAVA_HOME: "/builds/worker/fetches/jdk/jdk-17.0.6+10"
-    attributes:
-        code-review: true
-    always-target: true
-    fetches:
-        toolchain:
-            - android-sdk-linux
-            - android-gradle-dependencies
-            - android-gradle-python-envs
-            - linux64-jdk-repack
-    platform: 'lint/opt'
-    treeherder:
-        kind: test
-        tier: 1
-    worker-type: b-linux-gcp
-    when:
-        files-changed:
-            - "mobile/android/android-components/**"
-
-
-detekt-android-components:
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/android-components"]
-    treeherder:
-        symbol: detekt(AC)
-    worker:
-        artifacts:
-            - name: public/reports
-              path: /builds/worker/checkouts/gecko/mobile/android/android-components/build/reports
-              type: directory
-
-detekt-focus:
-    when:
-        files-changed:
-            - "mobile/android/focus-android/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/focus-android"]
-    treeherder:
-        symbol: detekt(focus)
-    worker:
-        artifacts:
-            - name: public/reports
-              path: /builds/worker/checkouts/gecko/mobile/android/focus-android/build/reports
-              type: directory
-
-detekt-fenix:
-    when:
-        files-changed:
-            - "mobile/android/fenix/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/fenix"]
-        gradlew: [detekt, 'mozilla-detekt-rules:test']
-    treeherder:
-        symbol: detekt(fenix)
-    worker:
-        artifacts:
-            - name: public/reports
-              path: /builds/worker/checkouts/gecko/mobile/android/fenix/build/reports
-              type: directory
diff --git a/taskcluster/ci/source-test/android-lint.yml b/taskcluster/ci/source-test/android-lint.yml
deleted file mode 100644
index c7eb456021..0000000000
--- a/taskcluster/ci/source-test/android-lint.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    description: 'Run lint over all modules'
-    run:
-        using: gradlew
-        gradlew: ['lint']
-        use-caches: false
-    worker:
-        max-run-time: 2700
-        env:
-            JAVA_HOME: "/builds/worker/fetches/jdk/jdk-17.0.6+10"
-        docker-image: {in-tree: lint}
-    always-target: false
-    attributes:
-        code-review: true
-    dependencies:
-        build-fat-aar: build-fat-aar-android-geckoview-fat-aar/opt
-    fetches:
-        toolchain:
-            - android-sdk-linux
-            - android-gradle-dependencies
-            - android-gradle-python-envs
-            - linux64-jdk-repack
-        build-fat-aar:
-            - target.maven.tar.xz
-    platform: 'lint/opt'
-    treeherder:
-        kind: test
-        tier: 1
-    worker-type: b-linux-gcp
-    when:
-        files-changed:
-            - "mobile/android/android-components/**"
-
-
-android-components:
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/android-components"]
-        gradlew: ["--no-parallel"]
-    treeherder:
-        symbol: lint(AC)
-
-focus:
-    when:
-        files-changed:
-            - "mobile/android/focus-android/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/focus-android"]
-    treeherder:
-        symbol: lint(focus)
-
-fenix:
-    when:
-        files-changed:
-            - "mobile/android/fenix/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/fenix"]
-        gradlew: ['lintDebug', 'mozilla-lint-rules:test']
-    treeherder:
-        symbol: lint(fenix)
diff --git a/taskcluster/ci/source-test/buildconfig.yml b/taskcluster/ci/source-test/buildconfig.yml
deleted file mode 100644
index 85f0828a54..0000000000
--- a/taskcluster/ci/source-test/buildconfig.yml
+++ /dev/null
@@ -1,68 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    description: Make sure the content of .buildconfig.yml matches what gradle knows about its projects
-    run:
-        using: run-task
-        cwd: '{checkout}'
-    worker-type: t-linux-xlarge-source
-    worker:
-        artifacts:
-            - type: directory
-              name: public
-              path: '/builds/worker/artifacts'
-        docker-image: {in-tree: lint}
-        max-run-time: 1800
-        env:
-            JAVA_HOME: "/builds/worker/fetches/jdk/jdk-17.0.6+10"
-            GRADLE_USER_HOME: "/builds/worker/checkouts/gecko/mobile/android/gradle/dotgradle-online"
-            MOZCONFIG: "/builds/worker/checkouts/gecko/mobile/android/config/mozconfigs/android-arm/nightly-android-lints"
-            ANDROID_SDK_ROOT: "/builds/worker/fetches/android-sdk-linux"
-    platform: lint/opt
-    treeherder:
-        kind: other
-        tier: 2
-    fetches:
-        toolchain:
-            - linux64-jdk-repack
-            - android-gradle-dependencies
-            - android-gradle-python-envs
-            - android-sdk-linux
-    use-python: system
-
-
-buildconfig-android-components:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/android-components/**/build.gradle"
-            - "mobile/android/android-components/.buildconfig.yml"
-    run:
-        command: 'pip install --break-system-packages --user --require-hashes --requirement taskcluster/scripts/lint/requirements.txt && ./mach --log-no-times build pre-export export && taskcluster/scripts/lint/is_buildconfig_yml_up_to_date.py mobile/android/android-components'
-    treeherder:
-        symbol: buildconfig(AC)
-
-buildconfig-focus:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/android-components/**/build.gradle"   # A change in A-C may be reflected in focus
-            - "mobile/android/android-components/.buildconfig.yml"
-            - "mobile/android/focus-android/**/build.gradle"
-            - "mobile/android/focus-android/.buildconfig.yml"
-    run:
-        command: 'pip install --break-system-packages --user --require-hashes --requirement taskcluster/scripts/lint/requirements.txt && ./mach --log-no-times build pre-export export && taskcluster/scripts/lint/is_buildconfig_yml_up_to_date.py mobile/android/focus-android'
-    treeherder:
-        symbol: buildconfig(focus)
-
-buildconfig-fenix:
-    optimization:
-        skip-unless-changed:
-            - "mobile/android/android-components/**/build.gradle"   # A change in A-C may be reflected in fenix
-            - "mobile/android/android-components/.buildconfig.yml"
-            - "mobile/android/fenix/**/build.gradle"
-            - "mobile/android/fenix/.buildconfig.yml"
-    run:
-        command: 'pip install --break-system-packages --user --require-hashes --requirement taskcluster/scripts/lint/requirements.txt && ./mach --log-no-times build pre-export export && taskcluster/scripts/lint/is_buildconfig_yml_up_to_date.py mobile/android/fenix'
-    treeherder:
-        symbol: buildconfig(fenix)
diff --git a/taskcluster/ci/source-test/clang.yml b/taskcluster/ci/source-test/clang.yml
deleted file mode 100644
index d77066afe7..0000000000
--- a/taskcluster/ci/source-test/clang.yml
+++ /dev/null
@@ -1,117 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    run-on-projects: ["trunk"]
-    platform: linux64/debug
-    worker-type: t-linux-xlarge-source
-    attributes:
-        code-review: true
-    worker:
-        docker-image: {in-tree: static-analysis-build}
-        max-run-time: 5400
-    treeherder:
-        kind: other
-        tier: 2
-    run:
-        using: run-task
-        tooltool-downloads: public
-    fetches:
-        toolchain:
-            - linux64-cbindgen
-            - linux64-nasm
-            - linux64-node
-    when:
-        files-changed:
-            - '**/*.c'
-            - '**/*.cpp'
-            - '**/*.cc'
-            - '**/*.cxx'
-            - '**/*.m'
-            - '**/*.mm'
-
-tidy:
-    description: Run static-analysis (clang-tidy) on C/C++ patches
-    treeherder:
-        symbol: cpp(clang-tidy)
-    run:
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-clang-setup.sh &&
-            ./mach --log-no-times static-analysis check --outgoing --output $HOME/clang-tidy.json --format json
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy
-            - linux64-rust
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    worker:
-        artifacts:
-            - type: file
-              name: public/code-review/clang-tidy.json
-              path: /builds/worker/clang-tidy.json
-
-format:
-    description: Run clang-format on C/C++ patches
-    treeherder:
-        symbol: cpp(clang-format)
-    # Run only on try and code-review tasks
-    # to avoid running clang format on the whole codebase
-    run-on-projects: []
-    run:
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-clang-setup.sh &&
-            ./mach --log-no-times clang-format --outgoing --output $HOME/clang-format.json --format json &&
-            ./mach --log-no-times clang-format --outgoing --output $HOME/clang-format.diff --format diff
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy
-            - linux64-rust
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    when:
-        files-changed:
-            - '**/*.c'
-            - '**/*.cpp'
-            - '**/*.cc'
-            - '**/*.cxx'
-            - '**/*.m'
-            - '**/*.mm'
-            - '**/*.h'
-            - '**/*.hh'
-            - '**/*.hpp'
-            - '**/*.hxx'
-    worker:
-        artifacts:
-            - type: file
-              name: public/code-review/clang-format.json
-              path: /builds/worker/clang-format.json
-            - type: file
-              name: public/code-review/clang-format.diff
-              path: /builds/worker/clang-format.diff
-
-external:
-    description: Run static-analysis (clang-tidy) on C/C++ patches with external checks
-    treeherder:
-        symbol: cpp(clang-tidy-external)
-    run:
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-clang-setup.sh &&
-            ./mach --log-no-times static-analysis check --checks="-*,mozilla-civet-*" --outgoing --output $HOME/clang-tidy.json --format json
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy-external
-            - linux64-rust
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    worker:
-        artifacts:
-            - type: file
-              name: public/code-review/clang-tidy.json
-              path: /builds/worker/clang-tidy.json
diff --git a/taskcluster/ci/source-test/cram.yml b/taskcluster/ci/source-test/cram.yml
deleted file mode 100644
index 6e29e7c6a6..0000000000
--- a/taskcluster/ci/source-test/cram.yml
+++ /dev/null
@@ -1,21 +0,0 @@
----
-tryselect:
-    description: tools/tryselect integration tests
-    platform: linux1804-64/opt
-    treeherder:
-        symbol: cram(try)
-        kind: test
-        tier: 2
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-    run:
-        using: mach
-        mach: cramtest tools/tryselect
-    always-target: true
-    when:
-        files-changed:
-            - testing/mach_commands.py
-            - third_party/python/cram/**
-            - tools/tryselect/**
diff --git a/taskcluster/ci/source-test/doc.yml b/taskcluster/ci/source-test/doc.yml
deleted file mode 100644
index 3e0459f8f0..0000000000
--- a/taskcluster/ci/source-test/doc.yml
+++ /dev/null
@@ -1,75 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-generate:
-    description: Generate the Sphinx documentation
-    platform: doc/opt
-    treeherder:
-        symbol: doc(generate)
-        kind: test
-        tier: 1
-    run-on-projects: ['trunk']
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-        env:
-            LC_ALL: C
-        artifacts:
-            - type: file
-              name: public/docs.tar.gz
-              path: /builds/worker/checkouts/gecko/docs-out/main.tar.gz
-            - type: file
-              name: public/trees.json
-              path: /builds/worker/artifacts/trees.json
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            ./mach doc --outdir docs-out --no-open --no-serve --archive --fatal-warnings --check-num-warnings --dump-trees=/builds/worker/artifacts/trees.json
-        sparse-profile: sphinx-docs
-    optimization:
-        skip-unless-schedules: [docs]
-
-upload:
-    description: Generate and upload the Sphinx documentation
-    platform: doc/opt
-    attributes:
-        code-review: true
-    treeherder:
-        symbol: doc(upload)
-        kind: test
-        tier: 2
-    run-on-projects: [mozilla-central-only]
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-        env:
-            LC_ALL: C
-            MOZ_SOURCE_DOCS_USE_GOOGLE: "1"
-        taskcluster-proxy: true
-        artifacts:
-            - type: file
-              name: public/firefox-source-docs-url.txt
-              path: /builds/worker/firefox-source-docs-url.txt
-            - type: file
-              name: public/trees.json
-              path: /builds/worker/artifacts/trees.json
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            ./mach doc --upload --no-open --no-serve --fatal-warnings --write-url /builds/worker/firefox-source-docs-url.txt --dump-trees=/builds/worker/artifacts/trees.json
-        sparse-profile: sphinx-docs
-    scopes:
-        - secrets:get:project/releng/gecko/build/level-{level}/gecko-docs-upload
-    optimization:
-        skip-unless-schedules: [docs]
diff --git a/taskcluster/ci/source-test/file-metadata.yml b/taskcluster/ci/source-test/file-metadata.yml
deleted file mode 100644
index b1fffaf64f..0000000000
--- a/taskcluster/ci/source-test/file-metadata.yml
+++ /dev/null
@@ -1,126 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: lint/opt
-    treeherder:
-        kind: other
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        artifacts:
-            - type: directory
-              path: /builds/worker/artifacts
-              name: public
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-    run:
-        using: mach
-
-bugzilla-components:
-    description: Generate metadata about source files and Bugzilla
-    treeherder:
-        symbol: Bugzilla
-        tier: 1
-    index:
-        product: source
-        job-name: source-bugzilla-info
-    run:
-        mach: file-info bugzilla-automation /builds/worker/artifacts
-    worker:
-        max-run-time: 1800
-    run-on-projects: ['autoland', 'mozilla-central']
-
-test-info-xorigin:
-    description: Generate test manifest metadata for tests disabled on cross-origin
-    treeherder:
-        symbol: test-info(xorigin)
-        tier: 2
-    index:
-        product: source
-        job-name: test-info-xorigin
-    worker:
-        docker-image: {in-tree: debian12-amd64-build}
-    run-on-projects: ['mozilla-central']
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy
-            - linux64-rust
-            - linux64-cbindgen
-            - linux64-nasm
-            - linux64-node
-            - linux64-pkgconf
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-common.sh &&
-            ./mach test-info report --show-tests --show-summary --filter-keys=fail-if,fails-if,random-if,skip-if --filter-values='(?<!!)xorigin' --output-file /builds/worker/artifacts/test-info-xorigin.json
-
-test-info-disabled-by-os:
-    description: Generate test manifest metadata for tests disabled on each operating system
-    treeherder:
-        symbol: test-info(disabled-by-os)
-        tier: 2
-    index:
-        product: source
-        job-name: test-info-disabled-by-os
-    worker:
-        docker-image: {in-tree: debian12-amd64-build}
-    run-on-projects: ['mozilla-central']
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy
-            - linux64-rust
-            - linux64-cbindgen
-            - linux64-nasm
-            - linux64-node
-            - linux64-pkgconf
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-common.sh &&
-            ./mach test-info report --show-tests --show-summary --filter-keys=fail-if,fails-if,random-if,skip-if --filter-values='(?<!!)(android|android_version|Android|AndroidVersion|geckoview|emulator|device)' --output-file /builds/worker/artifacts/test-info-disabled-on-android.json &&
-            ./mach test-info report --show-tests --show-summary --filter-keys=fail-if,fails-if,random-if,skip-if --filter-values='(?<!!)(linux|Linux)' --output-file /builds/worker/artifacts/test-info-disabled-on-linux.json &&
-            ./mach test-info report --show-tests --show-summary --filter-keys=fail-if,fails-if,random-if,skip-if --filter-values='(?<!!)(osx|OSX|mac)' --output-file /builds/worker/artifacts/test-info-disabled-on-mac.json &&
-            ./mach test-info report --show-tests --show-summary --filter-keys=fail-if,fails-if,random-if,skip-if --filter-values='(?<!!)(win|Windows|WINNT)' --output-file /builds/worker/artifacts/test-info-disabled-on-windows.json
-
-test-info-all:
-    description: Generate global test manifest metadata
-    treeherder:
-        symbol: test-info(all)
-        tier: 2
-    index:
-        product: source
-        job-name: test-info-all
-    worker:
-        docker-image: {in-tree: debian12-amd64-build}
-        max-run-time: 5400
-    run-on-projects: ['mozilla-central']
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-clang-tidy
-            - linux64-rust
-            - linux64-cbindgen
-            - linux64-nasm
-            - linux64-node
-            - linux64-pkgconf
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >-
-            source taskcluster/scripts/misc/source-test-common.sh &&
-            ./mach test-info testrun-report --output-file /builds/worker/artifacts/test-run-info.json &&
-            ./mach test-info report --show-tests --show-summary --show-testruns --verbose --output-file /builds/worker/artifacts/test-info-all-tests.json --runcounts-input-file /builds/worker/artifacts/test-run-info.json &&
-            ./mach test-info report --show-annotations --output-file /builds/worker/artifacts/test-info-manifest-conditions.json
diff --git a/taskcluster/ci/source-test/jsshell.yml b/taskcluster/ci/source-test/jsshell.yml
deleted file mode 100644
index 2ce0a846d4..0000000000
--- a/taskcluster/ci/source-test/jsshell.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: linux64-shippable/opt
-    require-build:
-        linux64.*: build-linux64-shippable/opt
-    worker-type:
-        by-platform:
-            linux64.*: t-linux-talos-1804
-    worker:
-        by-platform:
-            linux64.*:
-                env:
-                    by-shell:
-                        sm:
-                            SHELL: /bin/bash
-                            JSSHELL: js
-                        v8:
-                            SHELL: /bin/bash
-                            JSSHELL: d8/release/d8
-                max-run-time: 3600
-    treeherder:
-        kind: test
-        tier: 2
-    run:
-        using: mach
-        mach: jsshell-bench --perfherder={shell} --binary=$MOZ_FETCHES_DIR/$JSSHELL {test}
-    run-on-projects:
-        by-shell:
-            sm:
-                by-test-platform:
-                    (linux|windows|macos)(?!.*shippable).*: []
-                    default: ['mozilla-central', 'integration']
-            default:
-                by-test-platform:
-                    (linux|windows|macos)(?!.*shippable).*: []
-                    default: ['mozilla-central']
-    fetches:
-        build:
-            - target.jsshell.zip
-        toolchain:
-            - linux64-custom-v8
-    optimization:
-        skip-unless-expanded: null
-
-bench-ares6:
-    description: Ares6 JavaScript shell benchmark suite
-    shell: ['sm', 'v8']
-    test: ares6
-    treeherder:
-        symbol: ares6
-
-bench-sixspeed:
-    description: Six-Speed JavaScript shell benchmark suite
-    shell: ['sm', 'v8']
-    test: six-speed
-    treeherder:
-        symbol: 6speed
-
-bench-sunspider:
-    description: SunSpider JavaScript shell benchmark suite
-    shell: ['sm']
-    test: sunspider
-    treeherder:
-        symbol: sunspider
-
-bench-web-tooling:
-    description: Web Tooling shell benchmark suite
-    shell: ['sm', 'v8']
-    test: web-tooling-benchmark
-    treeherder:
-        symbol: webtool
-    fetches:
-        fetch:
-            - web-tooling-benchmark
-
-bench-octane:
-    description: Octane shell benchmark suite
-    shell: ['sm', 'v8']
-    test: octane
-    treeherder:
-        symbol: octane
-    fetches:
-        fetch:
-            - octane
diff --git a/taskcluster/ci/source-test/kind.yml b/taskcluster/ci/source-test/kind.yml
deleted file mode 100644
index f28ee39f96..0000000000
--- a/taskcluster/ci/source-test/kind.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-loader: gecko_taskgraph.loader.transform:loader
-
-transforms:
-    - gecko_taskgraph.transforms.try_job:transforms
-    - gecko_taskgraph.transforms.source_test:transforms
-    - taskgraph.transforms.task_context
-    - gecko_taskgraph.transforms.release_notifications:transforms
-    - gecko_taskgraph.transforms.job:transforms
-    - gecko_taskgraph.transforms.task:transforms
-
-kind-dependencies:
-    - fetch
-    - toolchain
-    - build
-    - build-fat-aar
-
-jobs-from:
-    - android-compare-locales.yml
-    - android-detekt.yml
-    - android-lint.yml
-    - buildconfig.yml
-    - clang.yml
-    - cram.yml
-    - doc.yml
-    - file-metadata.yml
-    - jsshell.yml
-    - ktlint.yml
-    - mozlint.yml
-    - mozlint-android.yml
-    - node.yml
-    - puppeteer.yml
-    - python.yml
-    - shadow-scheduler.yml
-    - taskgraph.yml
-    - vendor.yml
-    - webidl.yml
-    - webcompat.yml
-    - wpt-manifest.yml
-    - wpt-metadata.yml
-
-job-defaults:
-    use-python: default
-    attributes:
-        retrigger: true
-    task-context:
-        from-object: {}
-        substitution-fields: []
diff --git a/taskcluster/ci/source-test/ktlint.yml b/taskcluster/ci/source-test/ktlint.yml
deleted file mode 100644
index 988f2b6660..0000000000
--- a/taskcluster/ci/source-test/ktlint.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    description: 'Run ktlint over all modules'
-    run:
-        using: gradlew
-        gradlew: ['ktlint']
-        use-caches: false
-    attributes:
-        code-review: true
-    always-target: true
-    fetches:
-        toolchain:
-            - android-sdk-linux
-            - android-gradle-dependencies
-            - android-gradle-python-envs
-            - linux64-jdk-repack
-    platform: 'lint/opt'
-    treeherder:
-        kind: test
-        tier: 1
-    worker-type: b-linux-gcp
-    worker:
-        docker-image: {in-tree: lint}
-        max-run-time: 1200
-        env:
-            JAVA_HOME: "/builds/worker/fetches/jdk/jdk-17.0.6+10"
-    when:
-        files-changed:
-            - "mobile/android/android-components/**"
-
-android-components:
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/android-components"]
-    treeherder:
-        symbol: ktlint(AC)
-
-focus:
-    when:
-        files-changed:
-            - "mobile/android/focus-android/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/focus-android"]
-    treeherder:
-        symbol: ktlint(focus)
-
-fenix:
-    when:
-        files-changed:
-            - "mobile/android/fenix/**"
-    run:
-        pre-gradlew:
-            - ["cd", "mobile/android/fenix"]
-    treeherder:
-        symbol: ktlint(fenix)
diff --git a/taskcluster/ci/source-test/mozlint-android.yml b/taskcluster/ci/source-test/mozlint-android.yml
deleted file mode 100644
index d98abe9734..0000000000
--- a/taskcluster/ci/source-test/mozlint-android.yml
+++ /dev/null
@@ -1,107 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-
-# Just one TC job that runs all the lints.  There's no real advantage
-# to running them separately, and this way we perform the expensive
-# clone and somewhat expensive compilation of the Android
-# intermediates just once.
-lints:
-    always-target: true
-    attributes:
-        build_platform: android
-        build_type: opt
-        code-review: true
-    description: Android lints
-    platform: lint/opt
-    treeherder:
-        symbol: A(lints)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: android-build}
-        env:
-            GRADLE_USER_HOME: /builds/worker/checkouts/gecko/mobile/android/gradle/dotgradle-offline
-            MOZCONFIG: mobile/android/config/mozconfigs/android-arm/nightly-android-lints
-            MOZ_OBJDIR: obj-firefox
-            PERFHERDER_EXTRA_OPTIONS: android-lints
-            TINDERBOX_OUTPUT: '1'
-        max-run-time: 3600
-        artifacts:
-            - type: file
-              name: public/code-review/mozlint.json
-              path: /builds/worker/mozlint.json
-            - name: public/android/geckoview/api.txt
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/intermediates/javac/withGeckoBinariesDebug/classes/api.txt
-              type: file
-            - name: public/android/geckoview/api.txt.map
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/intermediates/javac/withGeckoBinariesDebug/classes/api.txt.map
-              type: file
-            - name: public/android/geckoview/apilint-result.json
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/intermediates/javac/withGeckoBinariesDebug/classes/apilint-result.json
-              type: file
-            - name: public/android/geckoview/javadoc-results.json
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/javadoc-results-withGeckoBinariesDebug.json
-              type: file
-            - name: public/geckoview/unittest
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/tests
-              type: directory
-            - name: public/android/lint/lint-results-officialWithoutGeckoBinariesDebug.html
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/lint-results-withGeckoBinariesDebug.html
-              type: file
-            - name: public/android/lint/lint-results-withGeckoBinariesDebug.xml
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/lint-results-withGeckoBinariesDebug.xml
-              type: file
-            - name: public/android/checkstyle/checkstyle.html
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/checkstyle/withGeckoBinariesDebug.html
-              type: file
-            - name: public/android/checkstyle/checkstyle.xml
-              path: /builds/worker/checkouts/gecko/obj-firefox/gradle/build/mobile/android/geckoview/reports/checkstyle/withGeckoBinariesDebug.xml
-              type: file
-    run:
-        using: run-task
-        command: >
-            ln -s $MOZ_FETCHES_DIR/android-gradle-dependencies $GECKO_PATH &&
-            ln -s $MOZ_FETCHES_DIR/android-sdk-linux $GECKO_PATH &&
-            ln -s $MOZ_FETCHES_DIR/node $GECKO_PATH &&
-            cd $GECKO_PATH &&
-            ./mach --log-no-times build pre-export export &&
-            ./mach --log-no-times lint -f treeherder -f json:/builds/worker/mozlint.json
-            --linter android-api-lint
-            --linter android-format
-            --linter android-javadoc
-            --linter android-checkstyle
-            --linter android-lint
-            --linter android-test
-            *
-        tooltool-downloads: internal  # For internal toolchains.
-    fetches:
-        toolchain:
-            # Aliases aren't allowed for toolchains installed by fetch.
-            - linux64-android-gradle-dependencies
-            - android-gradle-python-envs
-            - linux64-android-sdk-linux-repack
-            - linux64-jdk-repack
-            - linux64-node
-    when:
-        files-changed:
-            # Source files.
-            - 'mobile/android/**/*.java'
-            - 'mobile/android/**/*.kt'
-            # Resources.
-            - 'mobile/android/**/*.jpeg'
-            - 'mobile/android/**/*.jpg'
-            - 'mobile/android/**/*.png'
-            - 'mobile/android/**/*.svg'
-            - 'mobile/android/**/*.xml'
-            # Build stuff.
-            - 'mobile/android/**/Makefile.in'
-            - 'mobile/android/config/**'
-            - 'mobile/android/gradle.configure'
-            - 'mobile/android/**/moz.build'
-            - '**/*.gradle'
-            # Other misc lint related files.
-            - 'python/mozlint/**'
-            - 'tools/lint/**'
diff --git a/taskcluster/ci/source-test/mozlint.yml b/taskcluster/ci/source-test/mozlint.yml
deleted file mode 100644
index e101049103..0000000000
--- a/taskcluster/ci/source-test/mozlint.yml
+++ /dev/null
@@ -1,621 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    always-target: true
-    attributes:
-        code-review: true
-    treeherder:
-        kind: test
-        tier: 1
-    platform: lint/opt
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-        artifacts:
-            - type: file
-              name: public/code-review/mozlint.json
-              path: /builds/worker/mozlint.json
-    run:
-        using: mach
-    when:
-        files-changed:
-            # Other misc lint related files.
-            - 'python/mozlint/**'
-            - 'tools/lint/**'
-
-codespell:
-    description: Checks for misspellings in text files
-    treeherder:
-        symbol: text(spell)
-        # We don't want patches to be backed out because of a typo, a follow up bug will be
-        # good enough
-        tier: 2
-    run:
-        mach: lint -v -l codespell -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.js'
-            - '**/*.jsm'
-            - '**/*.jxs'
-            - '**/*.mjs'
-            - '**/*.xml'
-            - '**/*.html'
-            - '**/*.xhtml'
-            - '**/*.cpp'
-            - '**/*.c'
-            - '**/*.h'
-            - '**/*.configure'
-            - '**/*.py'
-            - '**/*.properties'
-            - '**/*.rst'
-            - '**/*.ftl'
-            - 'tools/lint/codespell.yml'
-
-
-rejected-words:
-    description: Reject some words we don't want to use in the code base
-    treeherder:
-        symbol: text(rejected-words)
-        # We don't want patches to be backed out because of this, a follow up bug will be
-        # good enough
-        tier: 2
-    run:
-        mach: lint -v -l rejected-words -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.js'
-            - '**/*.jsm'
-            - '**/*.jxs'
-            - '**/*.mjs'
-            - '**/*.xml'
-            - '**/*.html'
-            - '**/*.xhtml'
-            - '**/*.cpp'
-            - '**/*.c'
-            - '**/*.h'
-            - '**/*.idl'
-            - '**/*.webidl'
-            - '**/*.configure'
-            - '**/*.py'
-            - '**/*.properties'
-            - '**/*.rst'
-            - '**/*.ftl'
-            - '**/*.java'
-            - '**/*.kt'
-            - 'tools/lint/rejected-words.yml'
-
-eslint:
-    description: JS lint check
-    treeherder:
-        symbol: js(ES)
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            cp -r /build/node_modules_eslint-plugin-mozilla/ tools/lint/eslint/eslint-plugin-mozilla/node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            ./mach lint -v -l eslint -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            # Files that are likely audited.
-            - '**/*.js'
-            - '**/*.jsm'
-            - '**/*.json'
-            - '**/*.jsx'
-            - '**/*.mjs'
-            - '**/*.sjs'
-            - '**/*.html'
-            - '**/*.xhtml'
-            - '**/*.xml'
-            - 'tools/lint/eslint.yml'
-            # Run when eslint policies change.
-            - '**/.eslintignore'
-            - '**/*eslintrc*'
-            # The plugin implementing custom checks.
-            - 'tools/lint/eslint/eslint-plugin-mozilla/**'
-            - 'tools/lint/eslint/eslint-plugin-spidermonkey-js/**'
-
-eslint-build:
-    description: ESLint checks with build data
-    always-target: false
-    # Triggered by cron task, don't run on any projects and disable optimization.
-    run-on-projects: []
-    when: null
-    attributes:
-        code-review: false
-    treeherder:
-        symbol: js(ES-B)
-        tier: 2
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            export MOZ_XPT_ARTIFACTS_DIR="$MOZ_FETCHES_DIR/$MOZ_XPT_ARTIFACTS_DIRNAME" &&
-            find "$MOZ_XPT_ARTIFACTS_DIR" &&
-            cp -r /build/node_modules_eslint node_modules &&
-            cp -r /build/node_modules_eslint-plugin-mozilla/ tools/lint/eslint/eslint-plugin-mozilla/node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            ./mach lint -v -l eslint -f treeherder --quiet -f json:/builds/worker/mozlint.json . --rule "mozilla/valid-services-property: error" --rule "mozilla/valid-ci-uses: error"
-    worker:
-        env:
-            MOZ_XPT_ARTIFACTS_DIRNAME: xpt_artifacts
-    require-build:
-        .*: build-linux64/opt
-    fetches:
-        build:
-            - artifact: target.xpt_artifacts.zip
-              dest: xpt_artifacts
-
-stylelint:
-    description: CSS lint check
-    treeherder:
-        symbol: stylelint
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            ./mach lint -v -l stylelint -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            # Files that are likely audited.
-            - '**/*.css'
-            - 'tools/lint/styleint.yml'
-            # Run when stylelint policies change.
-            - '**/.stylelintignore'
-            - '**/*stylelintrc*'
-
-license:
-    description: Check for license blocks in source files.
-    treeherder:
-        symbol: pedantic(license)
-    run:
-        mach: lint -v -l license -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.c'
-            - '**/*.cc'
-            - '**/*.cpp'
-            - '**/*.css'
-            - '**/*.dtd'
-            - '**/*.ftl'
-            - '**/*.h'
-            - '**/*.html'
-            - '**/*.idl'
-            - '**/*.js'
-            - '**/*.jsm'
-            - '**/*.jsx'
-            - '**/*.m'
-            - '**/*.mjs'
-            - '**/*.mm'
-            - '**/*.properties'
-            - '**/*.py'
-            - '**/*.rs'
-            - '**/*.svg'
-            - '**/*.webidl'
-            - '**/*.xhtml'
-            - '**/*.xml'
-            - 'tools/lint/license.yml'
-
-lintpref:
-    description: Check for duplicates between all.js and StaticPrefList.yaml.
-    treeherder:
-        symbol: misc(pref)
-    run:
-        mach: lint -v -l lintpref -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - 'modules/libpref/init/all.js'
-            - 'modules/libpref/init/StaticPrefList.yaml'
-            - 'browser/app/profile/firefox.js'
-            - 'devtools/client/preferences/debugger.js'
-            - 'mobile/android/app/geckoview-prefs.js'
-            - 'browser/branding/official/pref/firefox-branding.js'
-            - 'browser/branding/nightly/pref/firefox-branding.js'
-            - 'browser/branding/unofficial/pref/firefox-branding.js'
-            - 'browser/branding/aurora/pref/firefox-branding.js'
-            - 'browser/app/profile/channel-prefs.js'
-            - 'mobile/android/installer/mobile-l10n.js'
-            - 'mobile/android/locales/en-US/mobile-l10n.js'
-            - 'tools/lint/lintpref.yml'
-
-mingw-cap:
-    description: lint for MinGW Capitalization issues
-    treeherder:
-        symbol: misc(mingw)
-    run:
-        mach: lint -v -l mingw-capitalization -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.cpp'
-            - '**/*.cc'
-            - '**/*.c'
-            - '**/*.h'
-            - 'tools/lint/mingw-capitalization.yml'
-
-updatebot:
-    description: Ensure moz.yaml files are valid per schema
-    treeherder:
-        symbol: misc(mozyaml)
-    run:
-        mach: lint -v -l updatebot -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/moz.yaml'
-
-mscom-init:
-    description: Lint for Microsoft COM initialization
-    treeherder:
-        symbol: misc(mscom)
-    run:
-        mach: lint -v -l mscom-init -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.cpp'
-            - '**/*.cc'
-            - '**/*.c'
-            - '**/*.h'
-            - 'tools/lint/mscom-init.yml'
-
-py-black:
-    description: black run over the gecko codebase
-    treeherder:
-        symbol: py(black)
-    run:
-        mach: lint -v -l black -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            # The list of extensions should match tools/lint/black.yml
-            - '**/*.py'
-            - '**/moz.build'
-            - '**/*.configure'
-            - '**/*.mozbuild'
-            - 'pyproject.toml'
-            - 'tools/lint/black.yml'
-
-py-ruff:
-    description: Run ruff over the gecko codebase
-    treeherder:
-        symbol: py(ruff)
-    run:
-        mach: lint -v -l ruff -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.py'
-            - '**/*.configure'
-            - '**/.ruff.toml'
-            - 'pyproject.toml'
-            - 'tools/lint/ruff.yml'
-            - 'tools/lint/python/ruff.py'
-            - 'tools/lint/python/ruff_requirements.txt'
-
-test-manifest:
-    description: lint test manifests
-    treeherder:
-        symbol: misc(tm)
-    run:
-        mach: lint -v -l test-manifest-alpha -l test-manifest-disable -l test-manifest-skip-if -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.toml'
-            - 'python/mozlint/**'
-            - 'tools/lint/**'
-            - 'tools/lint/test-disable.yml'
-
-wptlint-gecko:
-    description: web-platform-tests linter
-    treeherder:
-        symbol: misc(W)
-    run:
-        mach: lint -v -l wpt -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - 'testing/web-platform/tests/**'
-            - 'testing/web-platform/mozilla/tests/**'
-            - 'tools/lint/wpt.yml'
-
-yaml:
-    description: yamllint run over the gecko codebase
-    treeherder:
-        symbol: pedantic(yaml)
-    run:
-        mach: lint -v -l yaml -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.yml'
-            - '**/*.yaml'
-            - '**/.ymllint'
-
-rst:
-    description: rst lint run over the gecko codebase
-    treeherder:
-        symbol: text(rst)
-    run:
-        mach: lint -v -l rst -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.rst'
-            - 'tools/lint/rst.yml'
-
-shellcheck:
-    description: shellcheck run over the gecko codebase
-    treeherder:
-        symbol: misc(shell)
-    run:
-        mach: lint -v -l shellcheck -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.sh'
-            - 'tools/lint/shellcheck.yml'
-
-
-localization:
-    description: l10n tests for strings with errors
-    treeherder:
-        symbol: l10n(l1nt)
-    run:
-        mach: lint -v -l l10n -f treeherder *
-    attributes:
-        code-review: false
-    when:
-        files-changed:
-            - '**/locales/en-US/**'
-            - '**/l10n.toml'
-            - 'third_party/python/compare-locales/**'
-            - 'third_party/python/fluent/**'
-            - 'tools/lint/l10n.yml'
-
-
-l10n-conflicts:
-    description: l10n tests for strings with errors and conflicts with cross-channel
-    treeherder:
-        symbol: l10n(l1nt-conflicts)
-    always-target: false
-    run-on-projects: []
-    run:
-        mach: lint -W -l l10n -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/locales/en-US/**'
-            - '**/l10n.toml'
-            - 'third_party/python/compare-locales/**'
-            - 'third_party/python/fluent/**'
-            - 'tools/lint/l10n.yml'
-
-
-clang-format:
-    description: clang-format on the C/C++ code
-    treeherder:
-        symbol: cpp(clang-format)
-    run:
-        mach: lint -v -l clang-format -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.cpp'
-            - '**/*.c'
-            - '**/*.cc'
-            - '**/*.h'
-            - '**/*.m'
-            - '**/*.mm'
-            - 'tools/lint/clang-format.yml'
-    dependencies:
-        linux64-clang-tidy: toolchain-linux64-clang-tidy
-    fetches:
-        linux64-clang-tidy:
-            - artifact: clang-tidy.tar.zst
-              dest: clang-tools
-
-
-rustfmt:
-    description: rustfmt on the Rust code
-    treeherder:
-        symbol: rust(rustfmt)
-    run:
-        mach: lint -v -l rustfmt -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.rs'
-            - 'tools/lint/rustfmt.yml'
-    fetches:
-        toolchain:
-            - linux64-rust
-
-
-clippy:
-    description: clippy on the Rust code
-    treeherder:
-        symbol: rust(clippy)
-    run:
-        mach: lint -v -l clippy -f treeherder -f json:/builds/worker/mozlint.json -j 1 .
-    when:
-        files-changed:
-            - '**/*.rs'
-            - '**/Cargo.toml'
-            - 'tools/lint/clippy.yml'
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-rust
-            - linux64-rust-size
-            - linux64-cbindgen
-            - linux64-dump_syms
-            - linux64-sccache
-            - linux64-nasm
-            - linux64-node
-            - linux64-pkgconf
-            - sysroot-x86_64-linux-gnu
-            - sysroot-wasm32-wasi
-
-
-file-whitespace:
-    description: Check for trailing whitespaces and Windows CR
-    platform: lint/opt
-    treeherder:
-        symbol: pedantic(file-whitespace)
-        # We don't want patches to be backed out because of this, a follow up bug will be
-        # good enough
-        tier: 2
-    run:
-        mach: lint -v -l file-whitespace -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.c'
-            - '**/*.cc'
-            - '**/*.cpp'
-            - '**/*.css'
-            - '**/*.dtd'
-            - '**/*.idl'
-            - '**/*.ftl'
-            - '**/*.h'
-            - '**/*.html'
-            - '**/*.json'
-            - '**/*.md'
-            - '**/*.mn'
-            - '**/*.properties'
-            - '**/*.py'
-            - '**/*.rs'
-            - '**/*.rst'
-            - '**/*.toml'
-            - '**/*.webidl'
-            - '**/*.yaml'
-            - '**/*.yml'
-            - '**/*.xhtml'
-
-
-file-perm:
-    description: Check for incorrect permissions on source files
-    platform: lint/opt
-    treeherder:
-        symbol: pedantic(file-perm)
-        # We don't want patches to be backed out because of this, a follow up bug will be
-        # good enough
-        tier: 2
-    run:
-        mach: lint -v -l file-perm -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.build'
-            - '**/*.c'
-            - '**/*.cc'
-            - '**/*.cpp'
-            - '**/*.flac'
-            - '**/*.h'
-            - '**/*.html'
-            - '**/*.idl'
-            - '**/*.js'
-            - '**/*.jsm'
-            - '**/*.json'
-            - '**/*.jsx'
-            - '**/*.m'
-            - '**/*.m4s'
-            - '**/*.md'
-            - '**/*.mjs'
-            - '**/*.mm'
-            - '**/*.mn'
-            - '**/*.mozbuild'
-            - '**/*.mp4'
-            - '**/*.png'
-            - '**/*.rs'
-            - '**/*.rst'
-            - '**/*.svg'
-            - '**/*.toml'
-            - '**/*.ttf'
-            - '**/*.wasm'
-            - '**/*.webidl'
-            - '**/*.xhtml'
-            - '**/*.xml'
-            - '**/*.yaml'
-            - '**/*.yml'
-
-
-perfdocs-verify:
-    description: Verifies Performance Testing documentation
-    treeherder:
-        symbol: text(perfdocs)
-    run:
-        mach: lint -v -l perfdocs -f treeherder -f json:/builds/worker/mozlint.json .
-    worker:
-        env:
-            WORKSPACE: /builds/worker/checkouts/gecko/
-            DECISION_TASK_ID: {task-reference: <decision>}
-        artifacts:
-            - type: file
-              name: public/perfdocs.diff
-              path: /builds/worker/diff.txt
-    when:
-        files-changed:
-            - 'devtools/perfdocs/**'
-            - 'taskcluster/**'
-            - '**/perftest.toml'
-            - 'python/mozperftest/**'
-            - 'testing/awsy/**'
-            - 'testing/raptor/**'
-            - 'testing/talos/**'
-            - 'testing/performance/**'
-            - 'testing/perfdocs/**'
-            - 'tools/lint/perfdocs.yml'
-
-condprof-addons-verify:
-    description: |
-      Verifies all xpi files needed by condprof customization sideloading addons are
-      included in the firefox-addons fetch task.
-    treeherder:
-        symbol: misc(condprof-addons)
-    run:
-        mach: |
-            lint -v -l condprof-addons -f treeherder -f json:/builds/worker/mozlint.json .
-    fetches:
-        fetch:
-            - firefox-addons
-    when:
-        files-changed:
-            - 'testing/condprofile/condprof/customization/*.json'
-            - 'taskcluster/ci/fetch/browsertime.yml'
-
-fluent-lint:
-    description: Check for problems with Fluent files.
-    platform: lint/opt
-    treeherder:
-        symbol: l10n(fluent)
-    run:
-        mach: lint --linter fluent-lint -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.ftl'
-            - 'tools/lint/fluent-lint.yml'
-            - 'tools/lint/fluent-lint/exclusions.yml'
-
-trojan-source:
-    description: Trojan Source attack - CVE-2021-42572
-    platform: lint/opt
-    treeherder:
-        symbol: misc(trojan-source)
-    run:
-        mach: lint -v -l trojan-source --include-third-party -f treeherder -f json:/builds/worker/mozlint.json .
-    when:
-        files-changed:
-            - '**/*.c'
-            - '**/*.cc'
-            - '**/*.cpp'
-            - '**/*.h'
-            - '**/*.py'
-            - '**/*.rs'
-            - 'tools/lint/trojan-source.yml'
-
-ignorefile-test:
-    description: .gitignore vs .hgignore consistency check
-    platform: lint/opt
-    treeherder:
-        symbol: ignorefile
-    run:
-        mach: lint -v -l ignorefile .gitignore .hgignore
-    when:
-        files-changed:
-            - '.gitignore'
-            - '.hgignore'
diff --git a/taskcluster/ci/source-test/node.yml b/taskcluster/ci/source-test/node.yml
deleted file mode 100644
index 1d8c8348fb..0000000000
--- a/taskcluster/ci/source-test/node.yml
+++ /dev/null
@@ -1,221 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-newtab-unit-tests:
-    description: newtab unit tests
-    platform: linux1804-64/opt
-    treeherder:
-        symbol: node(newtab)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "ubuntu1804-test"}
-        max-run-time: 1800
-    require-build:
-        by-project:
-            autoland:
-                linux1804-64/opt: build-linux64/opt
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}'
-        command: >
-            cd /builds/worker/checkouts/gecko &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/aboutwelcome &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/asrouter &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/newtab &&
-            rm -rf node_modules &&
-            npm ci &&
-            node bin/try-runner.js
-    when:
-        files-changed:
-            - "browser/components/newtab/**"
-            - "browser/components/aboutwelcome/**"
-            - "browser/components/asrouter/**"
-
-newtab-unit-tests-ccov:
-    description: newtab unit tests code coverage
-    platform: linux1804-64/opt
-    treeherder:
-        symbol: node(newtab-ccov)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "ubuntu1804-test"}
-        max-run-time: 1800
-        artifacts:
-            - name: public/code-coverage-grcov.zip
-              path: /builds/worker/checkouts/gecko/browser/components/newtab/logs/coverage/code-coverage-grcov.zip
-              type: file
-    require-build:
-        by-project:
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}'
-        command: >
-            cd /builds/worker/checkouts/gecko &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/aboutwelcome &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/asrouter &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/browser/components/newtab &&
-            rm -rf node_modules &&
-            npm ci &&
-            node bin/try-runner.js
-    # This should only run on mozilla-central, as the bot will only parse mozilla-central
-    # coverage anyways.
-    run-on-projects: ["mozilla-central"]
-    # Note the lack of a "when" rule here. This is to avoid seeing fluctuating
-    # coverage on coverage.moz.tools / searchfox depending on whether the latest
-    # push contained patches touching these files or not.
-
-devtools-tests:
-    description: devtools node-based tests (for instance jest)
-    platform: linux1804-64/opt
-    attributes:
-        code-review: true
-    treeherder:
-        symbol: node(devtools)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-        artifacts:
-            - type: file
-              name: public/code-review/issues.json
-              path: /builds/worker/issues.json
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}'
-        # Re-use rather than re-installing to avoid hitting/requiring
-        # nodejs servers for downloads
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            cp -r /build/node_modules_eslint-plugin-mozilla/ tools/lint/eslint/eslint-plugin-mozilla/node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            cd devtools/client/bin/ &&
-            node devtools-node-test-runner.js --suite=all --artifact=/builds/worker/issues.json
-    when:
-        files-changed:
-            - 'devtools/client/**'
-            - 'devtools/shared/**'
-
-devtools-verify-bundle:
-    description: devtools bundle checker
-    platform: linux1804-64/opt
-    attributes:
-        code-review: true
-    treeherder:
-        symbol: node(devtools-bundle)
-        kind: test
-        tier: 2
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1200
-        artifacts:
-            - type: file
-              name: public/code-review/issues.json
-              path: /builds/worker/issues.json
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}'
-        # Re-use rather than re-installing to avoid hitting/requiring
-        # nodejs servers for downloads
-        command: >
-            cp -r /build/node_modules_eslint node_modules &&
-            cp -r /build/node_modules_eslint-plugin-mozilla/ tools/lint/eslint/eslint-plugin-mozilla/node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-mozilla node_modules &&
-            ln -s ../tools/lint/eslint/eslint-plugin-spidermonkey-js node_modules &&
-            cd devtools/client/debugger &&
-            yarn &&
-            node bin/bundle.js &&
-            cd ../../.. &&
-            ./mach python taskcluster/scripts/misc/verify-devtools-bundle.py --output /builds/worker/issues.json
-    when:
-        files-changed:
-            - 'devtools/**'
-
-eslint-plugin-mozilla:
-    description: eslint-plugin-mozilla integration tests
-    platform: linux1804-64/opt
-    treeherder:
-        symbol: node(epm)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}/tools/lint/eslint/eslint-plugin-mozilla'
-        command: >
-            cp -r /build/node_modules_eslint-plugin-mozilla node_modules &&
-            npm run test
-    when:
-        files-changed:
-            - 'tools/lint/eslint/eslint-plugin-mozilla/**'
-
-design-tokens-tests:
-    description: design tokens unit tests
-    platform: linux1804-64/opt
-    treeherder:
-        symbol: node(design-tokens)
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "ubuntu1804-test"}
-        max-run-time: 1800
-    require-build:
-        by-project:
-            autoland:
-                linux1804-64/opt: build-linux64/opt
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}'
-        command: >
-            cd /builds/worker/checkouts/gecko &&
-            rm -rf node_modules &&
-            npm ci &&
-            cd /builds/worker/checkouts/gecko/toolkit/themes/shared/design-system &&
-            rm -rf node_modules &&
-            npm ci &&
-            node tests/try-runner.js
-    when:
-        files-changed:
-            - "toolkit/themes/shared/design-system/**"
diff --git a/taskcluster/ci/source-test/puppeteer.yml b/taskcluster/ci/source-test/puppeteer.yml
deleted file mode 100644
index 3bfd1a9645..0000000000
--- a/taskcluster/ci/source-test/puppeteer.yml
+++ /dev/null
@@ -1,52 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: linux1804-64/opt
-    require-build:
-        by-project:
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    fetches:
-        build:
-            - target.tar.bz2
-        toolchain:
-            - linux64-node
-    treeherder:
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: ubuntu1804-test}
-        max-run-time: 3600
-        artifacts:
-            - type: file
-              name: public/remote/pup_errorsummary.json
-              path: /builds/worker/pup_errorsummary.json
-    optimization:
-        skip-unless-expanded: null
-
-puppeteer:
-    description: Puppeteer tests against Firefox CDP-based remote protocol
-    treeherder:
-        symbol: Pup(cdp)
-    run:  # Bug 1651542: Use screenshot feature to warm-up the font cache before the actual test
-        using: run-task
-        command: >
-            cd $GECKO_PATH/ &&
-            $MOZ_FETCHES_DIR/firefox/firefox --screenshot http://example.org &&
-            ./mach puppeteer-test --ci -vv --binary $MOZ_FETCHES_DIR/firefox/firefox --cdp --headless --log-tbpl - --log-errorsummary /builds/worker/pup_errorsummary.json
-
-puppeteer-with-bidi:
-    description: Puppeteer tests against Firefox Webdriver BiDi remote protocol
-    treeherder:
-        symbol: Pup(wd)
-    run:  # Bug 1651542: Use screenshot feature to warm-up the font cache before the actual test
-        using: run-task
-        command: >
-            cd $GECKO_PATH/ &&
-            $MOZ_FETCHES_DIR/firefox/firefox --screenshot http://example.org &&
-            ./mach puppeteer-test --ci -vv --binary $MOZ_FETCHES_DIR/firefox/firefox --headless --log-tbpl - --log-errorsummary /builds/worker/pup_errorsummary.json
diff --git a/taskcluster/ci/source-test/python.yml b/taskcluster/ci/source-test/python.yml
deleted file mode 100644
index 43680aacad..0000000000
--- a/taskcluster/ci/source-test/python.yml
+++ /dev/null
@@ -1,637 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: linux1804-64/opt
-    always-target:
-        by-platform:
-            macosx.*: false
-            default: true
-    worker-type:
-        by-platform:
-            linux1804-64.*: t-linux-xlarge-source
-            macosx1015-64.*: t-osx-1015-r8
-            windows11-64.*: win11-64-2009-source
-    worker:
-        by-platform:
-            linux1804-64.*:
-                docker-image: {in-tree: "lint"}
-                max-run-time: 3600
-            macosx.*:
-                max-run-time: 3600
-                env:
-                    PATH: "/usr/local/bin:/bin:/sbin:/usr/bin:/usr/sbin"
-            default:
-                max-run-time: 3600
-    use-python: default
-    treeherder:
-        kind: test
-        tier: 1
-    run:
-        using: mach
-    when:
-        files-changed:
-            - 'config/mozunit/**'
-            - 'python/mach_commands.py'
-
-firefox-ci:
-    description: taskcluster/gecko_taskgraph unit tests
-    always-target: false
-    python-version: [3]
-    treeherder:
-        symbol: ci
-    run:
-        using: python-test
-        subsuite: ci
-    when:
-        files-changed:
-            - '.taskcluster.yml'
-            - 'taskcluster/ci/**'
-            - 'taskcluster/**/*.py'
-            - 'tools/tryselect/selectors/auto.py'
-
-fog:
-    description: Python unit tests for Firefox on Glean
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: fp
-    run:
-        using: python-test
-        subsuite: fog
-    when:
-        files-changed:
-            - 'toolkit/components/glean/**'
-
-mach:
-    description: python/mach unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: mach
-    run:
-        using: python-test
-        subsuite: mach
-    when:
-        files-changed:
-            - 'python/mach/**'
-            - 'python/sites/**'
-
-marionette-harness:
-    description: testing/marionette/harness unit tests
-    platform:
-        - linux1804-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: mnh
-    run:
-        using: python-test
-        subsuite: marionette-harness
-    when:
-        files-changed:
-            - 'testing/marionette/harness/**'
-            - 'testing/mozbase/mozlog/mozlog/**'
-            - 'testing/mozbase/mozlog/setup.py'
-
-mochitest-harness:
-    description: testing/mochitest unittests
-    platform:
-        - linux1804-64/opt
-        - linux1804-64/debug
-        - linux1804-64-asan/opt
-    always-target: false
-    require-build:
-        by-project:
-            try:
-                linux1804-64-asan/opt: build-linux64-asan/opt
-                linux1804-64/debug: build-linux64/debug
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64-asan/opt: build-linux64-asan/opt
-                linux1804-64/debug: build-linux64/debug
-                linux1804-64/opt: build-linux64-shippable/opt
-    treeherder:
-        symbol: py3(mch)
-    worker:
-        by-platform:
-            linux1804-64.*:
-                docker-image: {in-tree: "ubuntu1804-test"}
-                max-run-time: 3600
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            source /builds/worker/scripts/xvfb.sh &&
-            start_xvfb '1600x1200x24' 0 &&
-            export GECKO_BINARY_PATH=$MOZ_FETCHES_DIR/firefox/firefox &&
-            export TEST_HARNESS_ROOT=$MOZ_FETCHES_DIR/tests &&
-            ./mach python-test --subsuite mochitest
-    fetches:
-        build:
-            - target.tar.bz2
-            - artifact: target.common.tests.tar.gz
-              dest: tests
-            - artifact: target.mochitest.tests.tar.gz
-              dest: tests
-        toolchain:
-            - linux64-fix-stacks
-    when:
-        files-changed:
-            - 'testing/mochitest/**'
-            - 'testing/mozbase/mozrunner/mozrunner/**'
-            - 'testing/mozbase/moztest/moztest/selftest/**'
-            - 'testing/mozharness/mozharness/base/log.py'
-            - 'testing/mozharness/mozharness/mozilla/structuredlog.py'
-            - 'testing/mozharness/mozharness/mozilla/testing/errors.py'
-            - 'testing/profiles/**'
-
-
-mozbase:
-    description: testing/mozbase unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: mb
-    run:
-        using: python-test
-        subsuite: mozbase
-    when:
-        files-changed:
-            - 'testing/mozbase/**'
-
-mozharness:
-    description: mozharness integration tests
-    treeherder:
-        symbol: py3(mh)
-    run:
-        using: run-task
-        cache-dotcache: true
-        cwd: '{checkout}/testing/mozharness'
-        command: >
-            /usr/local/bin/tox -e py311-hg6.4
-    when:
-        files-changed:
-            - 'testing/mozharness/**'
-
-mozlint:
-    description: python/mozlint unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: mozlint
-        tier: 2
-    run:
-        using: python-test
-        subsuite: mozlint
-    dependencies:
-        clang-tidy:
-            by-platform:
-                linux1804-64/opt: toolchain-linux64-clang-tidy
-                macosx1015-64/opt: toolchain-macosx64-clang-tidy
-                windows11-64/opt: toolchain-win64-clang-tidy
-    fetches:
-        toolchain:
-            by-platform:
-                linux1804-64/opt:
-                    - linux64-node
-                    - linux64-rust
-                macosx1015-64/opt:
-                    - macosx64-node
-                    - macosx64-rust
-                windows11-64/opt:
-                    - win64-node
-                    - win64-rust
-        clang-tidy:
-            - artifact: clang-tidy.tar.zst
-              dest: clang-tools
-    when:
-        files-changed:
-            - 'python/mozlint/**'
-            - 'tools/lint/**'
-
-mozrelease:
-    description: python/mozrelease unit tests
-    python-version: [3]
-    treeherder:
-        symbol: release
-    run:
-        using: python-test
-        subsuite: mozrelease
-    when:
-        files-changed:
-            - 'python/mozrelease/**'
-
-mozterm:
-    description: python/mozterm unit tests
-    platform:
-        - linux1804-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: term
-    run:
-        using: python-test
-        subsuite: mozterm
-    when:
-        files-changed:
-            - 'python/mozterm/**'
-
-mozversioncontrol:
-    description: python/mozversioncontrol unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: vcs
-    run:
-        using: python-test
-        subsuite: mozversioncontrol
-    when:
-        files-changed:
-            - 'python/mozversioncontrol/**'
-
-raptor:
-    description: testing/raptor unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: rap
-    run:
-        using: python-test
-        subsuite: raptor
-    when:
-        files-changed:
-            - 'testing/raptor/**'
-
-reftest-harness:
-    description: layout/tools/reftest unittests
-    platform:
-        - linux1804-64/opt
-        - linux1804-64/debug
-        - linux1804-64-asan/opt
-    require-build:
-        by-project:
-            try:
-                linux1804-64-asan/opt: build-linux64-asan/opt
-                linux1804-64/debug: build-linux64/debug
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64-asan/opt: build-linux64-asan/opt
-                linux1804-64/debug: build-linux64/debug
-                linux1804-64/opt: build-linux64-shippable/opt
-    always-target: false
-    treeherder:
-        symbol: py3(ref)
-    worker:
-        by-platform:
-            linux1804-64.*:
-                docker-image: {in-tree: "ubuntu1804-test"}
-                max-run-time: 3600
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            source /builds/worker/scripts/xvfb.sh &&
-            start_xvfb '1600x1200x24' 0 &&
-            export GECKO_BINARY_PATH=$MOZ_FETCHES_DIR/firefox/firefox &&
-            export TEST_HARNESS_ROOT=$MOZ_FETCHES_DIR/tests &&
-            ./mach python-test --subsuite reftest
-    fetches:
-        build:
-            - target.tar.bz2
-            - artifact: target.common.tests.tar.gz
-              dest: tests
-            - artifact: target.reftest.tests.tar.gz
-              dest: tests
-        toolchain:
-            - linux64-fix-stacks
-    when:
-        files-changed:
-            - 'layout/tools/reftest/**'
-            - 'testing/mozbase/mozrunner/mozrunner/**'
-            - 'testing/mozbase/moztest/moztest/selftest/**'
-            - 'testing/mozharness/mozharness/base/log.py'
-            - 'testing/mozharness/mozharness/mozilla/structuredlog.py'
-            - 'testing/mozharness/mozharness/mozilla/testing/errors.py'
-
-taskgraph-tests:
-    description: taskcluster/gecko_taskgraph unit tests
-    python-version: [3]
-    treeherder:
-        symbol: tg
-    run:
-        using: python-test
-        subsuite: taskgraph
-    when:
-        files-changed:
-            - 'taskcluster/**/*.py'
-            - 'python/mach/**/*.py'
-
-tryselect:
-    description: tools/tryselect unit tests
-    platform:
-        - linux1804-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: try
-    run:
-        using: python-test
-        subsuite: try
-    when:
-        files-changed:
-            - 'taskcluster/ci/config.yml'
-            - 'taskcluster/ci/test/**'
-            - 'taskcluster/gecko_taskgraph/transforms/**'
-            - 'tools/tryselect/**'
-
-mozbuild:
-    description: mozbuild unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: mbu
-    run:
-        using: python-test
-        subsuite: mozbuild
-    fetches:
-        toolchain:
-            by-platform:
-                linux1804-64/opt:
-                    - linux64-node
-                macosx1015-64/opt:
-                    - macosx64-node
-                windows11-64/opt:
-                    - win64-node
-                    - win64-mozmake
-    when:
-        files-changed:
-            - '**/moz.configure'
-            - 'build/moz.configure/**'
-            - 'config/tests/**'
-            - 'dom/bindings/mozwebidlcodegen/**'
-            - 'modules/libpref/init/**'
-            - 'modules/libpref/test/**'
-            - 'python/mach/**'
-            - 'python/mozboot/**'
-            - 'python/mozbuild/**'
-            - 'python/mozterm/**'
-            - 'python/mozversioncontrol/**'
-            - 'testing/mozbase/**'
-            - 'testing/xpcshell/xpcshellcommandline.py'
-
-mozperftest:
-    description: mozperftest unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    treeherder:
-        symbol: mpu
-    run:
-        mach: perftest-test
-    fetches:
-        toolchain:
-            by-platform:
-                linux1804-64/opt:
-                    - linux64-node
-                macosx1015-64/opt:
-                    - macosx64-node
-                windows11-64/opt:
-                    - win64-node
-    when:
-        files-changed:
-            - 'testing/performance/**'
-            - 'python/mozperftest/**'
-
-fxms-schemas:
-    description: >
-        Ensure messaging-system schemas are up-to-date and run Experimenter
-        integration tests.
-    platform:
-        - linux1804-64/opt
-    treeherder:
-        symbol: py3(fxms)
-    require-build:
-        by-project:
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64/opt
-    fetches:
-        build:
-            - artifact: target.tar.bz2
-            - artifact: target.common.tests.tar.gz
-    worker:
-        by-platform:
-            linux1804-64.*:
-                docker-image: {in-tree: "ubuntu1804-test"}
-                max-run-time: 3600
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            cd browser/components/asrouter/content-src/schemas &&
-            env LD_LIBRARY_PATH=${MOZ_FETCHES_DIR}/firefox \
-                ${MOZ_FETCHES_DIR}/bin/xpcshell \
-                    -g ${MOZ_FETCHES_DIR}/firefox \
-                    -a ${MOZ_FETCHES_DIR}/firefox/browser \
-                    extract-test-corpus.js
-            ../../../../../mach python -- make-schemas.py --check
-    when:
-        files-changed:
-            - 'browser/components/asrouter/content-src/schemas/extract-test-corpus.js'
-            - 'browser/components/asrouter/content-src/schemas/make-schemas.py'
-            - 'browser/components/asrouter/content-src/**/*.schema.json'
-            - 'browser/components/asrouter/modules/CFRMessageProvider.sys.mjs'
-            - 'browser/components/asrouter/modules/OnboardingMessageProvider.sys.mjs'
-            - 'browser/components/asrouter/modules/PanelTestProvider.sys.mjs'
-
-condprof:
-    description: testing/condprofile unit tests
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: condprof
-    run:
-        using: python-test
-        subsuite: condprof
-    when:
-        files-changed:
-            - 'testing/condprofile/condprof**'
-            - 'testing/condprofile/setup.py'
-
-featuregates:
-    description: featuregates Python unit tests
-    platform:
-        - linux1804-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: fg
-    run:
-        using: python-test
-        subsuite: featuregates
-    fetches:
-        toolchain:
-            by-platform:
-                linux1804-64/opt:
-                    - linux64-node
-                windows11-64/opt:
-                    - win64-node
-    when:
-        files-changed:
-            - 'toolkit/components/featuregates/**'
-
-skip-fails:
-    description: testing/skip-fails unit tests
-    always-target: false
-    python-version: [3]
-    treeherder:
-        symbol: sf
-    run:
-        using: python-test
-        subsuite: skip-fails
-    when:
-        files-changed:
-            - 'testing/skipfails.py'
-            - 'testing/test/**'
-
-talos:
-    description: testing/talos unit tests
-    platform: windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: tal
-    run:
-        using: python-test
-        subsuite: talos
-    when:
-        files-changed:
-            - 'testing/talos/**'
-
-telemetry-integration-tests:
-    description: pytest-based integration tests for Telemetry
-    always-target: false
-    platform:
-        - linux1804-64/opt
-    worker:
-        by-platform:
-            linux1804-64.*:
-                docker-image: {in-tree: "ubuntu1804-test"}
-                max-run-time: 3600
-    require-build:
-        by-project:
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    treeherder:
-        symbol: tt(i)
-        tier: 3
-    run-on-projects: []
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            source /builds/worker/scripts/xvfb.sh &&
-            start_xvfb '1600x1200x24' 0 &&
-            export GECKO_BINARY_PATH=$MOZ_FETCHES_DIR/firefox/firefox &&
-            ./mach python-test --subsuite telemetry-integration-tests
-    fetches:
-        build:
-            - target.tar.bz2
-            - artifact: target.common.tests.tar.gz
-              dest: tests
-            - artifact: target.reftest.tests.tar.gz
-              dest: tests
-    when:
-        files-changed:
-            - 'toolkit/components/telemetry/**'
-
-telemetry-python:
-    description: Python unit tests for Telemetry
-    platform:
-        - linux1804-64/opt
-        - macosx1015-64/opt
-        - windows11-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: tp
-    run:
-        using: python-test
-        subsuite: telemetry-python
-    fetches:
-        toolchain:
-            by-platform:
-                linux1804-64/opt:
-                    - linux64-node
-                macosx1015-64/opt:
-                    - macosx64-node
-                windows11-64/opt:
-                    - win64-node
-    when:
-        files-changed:
-            - 'toolkit/components/telemetry/**'
-
-webext:
-    description: WebExtensions python utilities unit tests
-    platform:
-        - linux1804-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: webext-py
-        tier: 2
-    run:
-        using: python-test
-        subsuite: webext-python
-    when:
-        files-changed:
-            - 'toolkit/components/extensions/webidl-api/**'
-            - 'toolkit/components/extensions/schemas/*.json'
-            - 'browser/components/extensions/schemas/*.json'
-            - 'mobile/android/components/extensions/schemas/*.json'
-
-xpcom:
-    description: xpcom unit tests
-    platform:
-        - linux1804-64/opt
-    python-version: [3]
-    treeherder:
-        symbol: xpcom
-    run:
-        using: python-test
-        subsuite: xpcom
-    when:
-        files-changed:
-            - 'third_party/python/ply/**'
-            - 'xpcom/components/*.py'
-            - 'xpcom/components/test/**'
-            - 'xpcom/ds/tools/**'
-            - 'xpcom/ds/test/**'
-            - 'xpcom/idl-parser/**'
diff --git a/taskcluster/ci/source-test/shadow-scheduler.yml b/taskcluster/ci/source-test/shadow-scheduler.yml
deleted file mode 100644
index 97d1b1f30b..0000000000
--- a/taskcluster/ci/source-test/shadow-scheduler.yml
+++ /dev/null
@@ -1,178 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: gecko-decision/opt
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 3600
-        artifacts:
-            - type: file
-              name: public/shadow-scheduler/optimized-tasks.json
-              path: /builds/worker/optimized-tasks.json
-        env:
-            DECISION_TASK_ID: {task-reference: <decision>}
-    treeherder:
-        kind: other
-        tier: 3
-    run-on-projects: ['autoland-only']
-    run:
-        using: mach
-        mach: taskgraph optimized -v --json -p task-id=$DECISION_TASK_ID --output-file /builds/worker/optimized-tasks.json
-        sparse-profile: taskgraph
-
-relevant_tests:
-    description: Runs the relevant_tests optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(relevant_tests)
-    index:
-        product: source
-        job-name: shadow-scheduler-relevant_tests
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.relevant_tests
-
-bugbug_tasks_medium:
-    description: Runs the bugbug_tasks_medium optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_tasks_medium)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_tasks_medium
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_tasks_medium
-
-bugbug_tasks_high:
-    description: Runs the bugbug_tasks_high optimization strategy (with a high confidence threshold) instead of the default.
-    treeherder:
-        symbol: SS(bugbug_tasks_high)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_tasks_high
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_tasks_high
-
-bugbug_debug_disperse:
-    description: Runs the bugbug_debug_disperse optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_debug_disperse)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_debug_disperse
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_debug_disperse
-
-bugbug_disperse_low:
-    description: Runs the bugbug_disperse_low optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_disperse_low)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_low
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_low
-
-bugbug_disperse_medium:
-    description: Runs the bugbug_disperse_medium optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_disperse_med)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_medium
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_medium
-
-bugbug_disperse_reduced_medium:
-    description: Runs the bugbug_disperse_reduced_medium optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_di_r_med_noun)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_reduced_medium
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_reduced_medium
-
-bugbug_reduced_manifests_config_selection_low:
-    description: Runs the bugbug_reduced_manifests_config_selection_low optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_r_c_s_low)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_reduced_manifests_config_selection_low
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_reduced_manifests_config_selection_low
-
-bugbug_reduced_manifests_config_selection_medium:
-    description: Runs the bugbug_reduced_manifests_config_selection_medium optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_r_c_s_med)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_reduced_manifests_config_selection_medium
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_reduced_manifests_config_selection_medium
-
-bugbug_disperse_medium_no_unseen:
-    description: Runs the bugbug_disperse_medium_no_unseen optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_disp_med_noun)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_medium_no_unseen
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_medium_no_unseen
-
-bugbug_disperse_medium_only_one:
-    description: Runs the bugbug_disperse_medium_only_one optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_disp_med_one)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_medium_only_one
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_medium_only_one
-
-bugbug_disperse_high:
-    description: Runs the bugbug_disperse_high optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_disperse_high)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_disperse_high
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_disperse_high
-
-bugbug_reduced:
-    description: Runs the bugbug_reduced optimization strategy instead of the default.
-    treeherder:
-        symbol: SS(bugbug_reduced)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_reduced
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_reduced
-
-bugbug_reduced_high:
-    description: Runs the bugbug_reduced optimization strategy (with a low confidence threshold) instead of the default.
-    treeherder:
-        symbol: SS(bugbug_reduced_high)
-    index:
-        product: source
-        job-name: shadow-scheduler-bugbug_reduced_high
-    worker:
-        env:
-            TASKGRAPH_OPTIMIZE_STRATEGIES: gecko_taskgraph.optimize:experimental.bugbug_reduced_high
diff --git a/taskcluster/ci/source-test/taskgraph.yml b/taskcluster/ci/source-test/taskgraph.yml
deleted file mode 100644
index 3065c80482..0000000000
--- a/taskcluster/ci/source-test/taskgraph.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-diff:
-    description: Generates diffs of CI changes
-    platform: linux1804-64/opt
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-        # Uncomment to upload logs of the generations as artifacts.
-        # env:
-        #     XDG_CACHE_HOME: "/builds/worker/artifacts/cache"
-        artifacts:
-            - type: directory
-              name: public/taskgraph
-              path: /builds/worker/artifacts
-    attributes:
-        code-review: true
-    always-target: true
-    treeherder:
-        kind: test
-        platform: gecko-decision/opt
-        symbol: tgdiff
-        tier: 2
-    task-context:
-        from-parameters:
-            base_rev: base_rev
-        substitution-fields:
-            - run.command
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >-
-            mkdir -p /builds/worker/artifacts/diffs &&
-            ./mach taskgraph target --fast -p "taskcluster/test/params" --force-local-files-changed -o "/builds/worker/artifacts/diffs/diff.txt" --diff {base_rev} &&
-            python taskcluster/scripts/misc/summarize-tgdiff.py /builds/worker/artifacts/diffs/ 20
-    when:
-        files-changed:
-            - 'taskcluster/ci/**'
-            - 'taskcluster/**/*.py'
diff --git a/taskcluster/ci/source-test/vendor.yml b/taskcluster/ci/source-test/vendor.yml
deleted file mode 100644
index c6594c6f68..0000000000
--- a/taskcluster/ci/source-test/vendor.yml
+++ /dev/null
@@ -1,44 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    worker-type: t-linux-xlarge-source
-    attributes:
-        code-review: true
-    worker:
-        docker-image: {in-tree: static-analysis-build}
-        max-run-time: 1200
-        artifacts:
-            - type: file
-              name: public/code-review/issues.json
-              path: /builds/worker/issues.json
-    treeherder:
-        kind: test
-        tier: 1
-    platform: lint/opt
-    run:
-        using: run-task
-
-rust:
-    description: Rust vendoring validation
-    treeherder:
-        symbol: rust(vendor)
-    worker:
-        env:
-            MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE: system
-    run:
-        cwd: '{checkout}'
-        command: >-
-            ./mach vendor rust --issues-json /builds/worker/issues.json
-    fetches:
-        toolchain:
-            - linux64-cargo-vet
-            - linux64-rust
-    when:
-        files-changed:
-            - 'Cargo.lock'
-            - '**/Cargo.toml'
-            - 'python/mozbuild/mozbuild/vendor/vendor_rust.py'
-            - 'supply-chain/**'
-            - 'third_party/rust/**'
diff --git a/taskcluster/ci/source-test/webcompat.yml b/taskcluster/ci/source-test/webcompat.yml
deleted file mode 100644
index 66ff7910a6..0000000000
--- a/taskcluster/ci/source-test/webcompat.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: linux1804-64/opt
-    require-build:
-        by-project:
-            try:
-                linux1804-64/opt: build-linux64/opt
-            default:
-                linux1804-64/opt: build-linux64-shippable/opt
-    fetches:
-        build:
-            - target.tar.bz2
-        toolchain:
-            - linux64-geckodriver
-    run-on-projects: []
-    treeherder:
-        kind: test
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: ubuntu1804-test}
-        max-run-time: 1800
-    optimization:
-        skip-unless-expanded: null
-
-interventions:
-    description: webcompat intervention tests
-    treeherder:
-        symbol: wc(I)
-        tier: 3
-    python-version: [3]
-    run:
-        using: mach
-        # Need to start Xvfb if we remove --headless
-        mach: test-interventions --headless --binary $MOZ_FETCHES_DIR/firefox/firefox --webdriver-binary $MOZ_FETCHES_DIR/geckodriver --log-tbpl -
diff --git a/taskcluster/ci/source-test/webidl.yml b/taskcluster/ci/source-test/webidl.yml
deleted file mode 100644
index eec7a75e38..0000000000
--- a/taskcluster/ci/source-test/webidl.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-test:
-    description: WebIDL parser tests
-    platform: lint/opt
-    treeherder:
-        symbol: Wp
-        kind: test
-        tier: 1
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-    run:
-        using: mach
-        mach: webidl-parser-test --verbose
-    when:
-        files-changed:
-            - 'dom/bindings/parser/runtests.py'
-            - 'dom/bindings/parser/WebIDL.py'
-            - 'dom/bindings/parser/tests/**'
-            - 'other-licenses/ply/**'
diff --git a/taskcluster/ci/source-test/wpt-manifest.yml b/taskcluster/ci/source-test/wpt-manifest.yml
deleted file mode 100644
index 06b29b60f5..0000000000
--- a/taskcluster/ci/source-test/wpt-manifest.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: linux64/opt
-    treeherder:
-        kind: test
-        tier: 2
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-
-upload:
-    description: Generate and store the web-platform-tests manifest
-    treeherder:
-        symbol: Wm
-    index:
-        product: source
-        job-name: manifest-upload
-        rank: build_date
-    run:
-        using: run-task
-        cwd: '{checkout}'
-        command: >
-            ./mach wpt-manifest-update --config testing/web-platform/wptrunner.ini --no-download
-            && tar -cvzf manifests.tar.gz -C testing/web-platform/ meta/MANIFEST.json mozilla/meta/MANIFEST.json
-    worker:
-        artifacts:
-            - type: file
-              path: /builds/worker/checkouts/gecko/manifests.tar.gz
-              name: public/manifests.tar.gz
-
-        max-run-time: 3600
-    when:
-        files-changed:
-            - 'testing/web-platform/tests/**'
-            - 'testing/web-platform/mozilla/tests/**'
diff --git a/taskcluster/ci/source-test/wpt-metadata.yml b/taskcluster/ci/source-test/wpt-metadata.yml
deleted file mode 100644
index b2c54d62b9..0000000000
--- a/taskcluster/ci/source-test/wpt-metadata.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
----
-job-defaults:
-    platform: lint/opt
-    treeherder:
-        kind: test
-        tier: 2
-    worker-type: t-linux-xlarge-source
-    worker:
-        docker-image: {in-tree: "lint"}
-        max-run-time: 1800
-
-summary:
-    description: Summarize wpt metadata
-    treeherder:
-        symbol: wpt-meta
-    index:
-        product: source
-        job-name: source-wpt-metadata-summary
-    run:
-        using: mach
-        mach: wpt-metadata-summary --out-dir=/builds/worker/artifacts
-    worker:
-        artifacts:
-            - type: directory
-              path: /builds/worker/artifacts
-              name: public
-        max-run-time: 2700
-    when:
-        files-changed:
-            - 'testing/web-platform/meta/**'
-            - 'testing/web-platform/mozilla/meta/**'
-            - 'testing/web-platform/metasummary.py'
-
-
-fission-regression:
-    description: Summarize fission regressions in wpt
-    treeherder:
-        symbol: wpt-fis
-    index:
-        product: source
-        job-name: source-wpt-fission-regressions
-    run:
-        using: mach
-        mach: wpt-fission-regressions --all-json /builds/worker/artifacts/regressions.json --untriaged /builds/worker/artifacts/untriaged.txt
-    worker:
-        artifacts:
-            - type: directory
-              path: /builds/worker/artifacts
-              name: public
-        max-run-time: 2700
-    when:
-        files-changed:
-            - 'testing/web-platform/meta/**'
-            - 'testing/web-platform/mozilla/meta/**'
-            - 'testing/web-platform/fissionregressions.py'