diff --git a/.buildkite/format_tap.py b/.buildkite/format_tap.py
index 94582f557..b557a9c38 100644
--- a/.buildkite/format_tap.py
+++ b/.buildkite/format_tap.py
@@ -1,3 +1,18 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import sys
 from tap.parser import Parser
 from tap.line import Result, Unknown, Diagnostic
diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
deleted file mode 100644
index 368fb49be..000000000
--- a/.buildkite/pipeline.yml
+++ /dev/null
@@ -1,310 +0,0 @@
-env:
-  COVERALLS_REPO_TOKEN: wsJWOby6j0uCYFiCes3r0XauxO27mx8lD
-
-steps:
-  - command:
-      - "python -m pip install tox"
-      - "tox -e check_codestyle"
-    label: "\U0001F9F9 Check Style"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          mount-buildkite-agent: false
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e packaging"
-    label: "\U0001F9F9 packaging"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          mount-buildkite-agent: false
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e check_isort"
-    label: "\U0001F9F9 isort"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          mount-buildkite-agent: false
-
-  - command:
-      - "python -m pip install tox"
-      - "scripts-dev/check-newsfragment"
-    label: ":newspaper: Newsfile"
-    branches: "!master !develop !release-*"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          propagate-environment: true
-          mount-buildkite-agent: false
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e check-sampleconfig"
-    label: "\U0001F9F9 check-sample-config"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          mount-buildkite-agent: false
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e mypy"
-    label: ":mypy: mypy"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.5"
-          mount-buildkite-agent: false
-
-  - wait
-
-  - command:
-      - "apt-get update && apt-get install -y python3.5 python3.5-dev python3-pip libxml2-dev libxslt-dev zlib1g-dev"
-      - "python3.5 -m pip install tox"
-      - "tox -e py35-old,combine"
-    label: ":python: 3.5 / SQLite / Old Deps"
-    env:
-      TRIAL_FLAGS: "-j 2"
-      LANG: "C.UTF-8"
-    plugins:
-      - docker#v3.0.1:
-          image: "ubuntu:xenial"  # We use xenial to get an old sqlite and python
-          workdir: "/src"
-          mount-buildkite-agent: false
-          propagate-environment: true
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e py35,combine"
-    label: ":python: 3.5 / SQLite"
-    env:
-      TRIAL_FLAGS: "-j 2"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.5"
-          workdir: "/src"
-          mount-buildkite-agent: false
-          propagate-environment: true
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e py36,combine"
-    label: ":python: 3.6 / SQLite"
-    env:
-      TRIAL_FLAGS: "-j 2"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.6"
-          workdir: "/src"
-          mount-buildkite-agent: false
-          propagate-environment: true
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - command:
-      - "python -m pip install tox"
-      - "tox -e py37,combine"
-    label: ":python: 3.7 / SQLite"
-    env:
-      TRIAL_FLAGS: "-j 2"
-    plugins:
-      - docker#v3.0.1:
-          image: "python:3.7"
-          workdir: "/src"
-          mount-buildkite-agent: false
-          propagate-environment: true
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: ":python: 3.5 / :postgres: 9.5"
-    agents:
-      queue: "medium"
-    env:
-      TRIAL_FLAGS: "-j 8"
-    command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py35-postgres,combine'"
-    plugins:
-      - docker-compose#v2.1.0:
-          run: testenv
-          config:
-            - .buildkite/docker-compose.py35.pg95.yaml
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: ":python: 3.7 / :postgres: 9.5"
-    agents:
-      queue: "medium"
-    env:
-      TRIAL_FLAGS: "-j 8"
-    command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,combine'"
-    plugins:
-      - docker-compose#v2.1.0:
-          run: testenv
-          config:
-            - .buildkite/docker-compose.py37.pg95.yaml
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: ":python: 3.7 / :postgres: 11"
-    agents:
-      queue: "medium"
-    env:
-      TRIAL_FLAGS: "-j 8"
-    command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,combine'"
-    plugins:
-      - docker-compose#v2.1.0:
-          run: testenv
-          config:
-            - .buildkite/docker-compose.py37.pg11.yaml
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: "SyTest - :python: 3.5 / SQLite / Monolith"
-    agents:
-      queue: "medium"
-    command:
-      - "bash .buildkite/merge_base_branch.sh"
-      - "bash /synapse_sytest.sh"
-    plugins:
-      - docker#v3.0.1:
-          image: "matrixdotorg/sytest-synapse:py35"
-          propagate-environment: true
-          always-pull: true
-          workdir: "/src"
-          entrypoint: ["/bin/sh", "-e", "-c"]
-          mount-buildkite-agent: false
-          volumes: ["./logs:/logs"]
-      - artifacts#v1.2.0:
-          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
-      - matrix-org/annotate:
-          path: "logs/annotate.md"
-          style: "error"
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: "SyTest - :python: 3.5 / :postgres: 9.6 / Monolith"
-    agents:
-      queue: "medium"
-    env:
-      POSTGRES: "1"
-    command:
-      - "bash .buildkite/merge_base_branch.sh"
-      - "bash /synapse_sytest.sh"
-    plugins:
-      - docker#v3.0.1:
-          image: "matrixdotorg/sytest-synapse:py35"
-          propagate-environment: true
-          always-pull: true
-          workdir: "/src"
-          entrypoint: ["/bin/sh", "-e", "-c"]
-          mount-buildkite-agent: false
-          volumes: ["./logs:/logs"]
-      - artifacts#v1.2.0:
-          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
-      - matrix-org/annotate:
-          path: "logs/annotate.md"
-          style: "error"
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - label: "SyTest - :python: 3.5 / :postgres: 9.6 / Workers"
-    agents:
-      queue: "medium"
-    env:
-      POSTGRES: "1"
-      WORKERS: "1"
-      BLACKLIST: "synapse-blacklist-with-workers"
-    command:
-      - "bash .buildkite/merge_base_branch.sh"
-      - "bash -c 'cat /src/sytest-blacklist /src/.buildkite/worker-blacklist > /src/synapse-blacklist-with-workers'"
-      - "bash /synapse_sytest.sh"
-    plugins:
-      - docker#v3.0.1:
-          image: "matrixdotorg/sytest-synapse:py35"
-          propagate-environment: true
-          always-pull: true
-          workdir: "/src"
-          entrypoint: ["/bin/sh", "-e", "-c"]
-          mount-buildkite-agent: false
-          volumes: ["./logs:/logs"]
-      - artifacts#v1.2.0:
-          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
-      - matrix-org/annotate:
-          path: "logs/annotate.md"
-          style: "error"
-      - matrix-org/coveralls#v1.0:
-          parallel: "true"
-    retry:
-      automatic:
-        - exit_status: -1
-          limit: 2
-        - exit_status: 2
-          limit: 2
-
-  - wait: ~
-    continue_on_failure: true
-
-  - label: Trigger webhook
-    command: "curl -k https://coveralls.io/webhook?repo_token=$COVERALLS_REPO_TOKEN -d \"payload[build_num]=$BUILDKITE_BUILD_NUMBER&payload[status]=done\""
diff --git a/changelog.d/5943.misc b/changelog.d/5943.misc
new file mode 100644
index 000000000..6545e1244
--- /dev/null
+++ b/changelog.d/5943.misc
@@ -0,0 +1 @@
+Move Buildkite pipeline config to the pipelines repo.