diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 07dc060d..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,216 +0,0 @@
-sudo: required
-language: generic
-dist: focal
-
-scripts:
-  - &bucklescript
-    before_install:
-      - |
-        if [ "$TRAVIS_EVENT_TYPE" == cron ]
-        then
-          rm -rf ./test/bucklescript/node_modules
-          rm -rf ./node_modules
-          rm -rf ./_cache
-        fi
-
-    install:
-      - npm --version
-      - |
-        if [ "$TRAVIS_BRANCH" != binaries ]
-        then
-          WD=`pwd`
-          if [ ! -f node_modules/.bin/esy ]
-          then
-            npm install --no-save esy
-            export PATH="$WD/node_modules/.bin:$PATH"
-          else
-            mkdir -p _wrapped_esy
-            ln -s $WD/node_modules/.bin/esy-solve-cudf _wrapped_esy/esy-solve-cudf
-            cp test/ci/travis-wrapped-esy.sh _wrapped_esy/esy
-            chmod a+x _wrapped_esy/esy
-            export PATH="$WD/_wrapped_esy:$PATH"
-          fi
-        fi
-      - make -C test/bucklescript clean-for-caching
-      - make -C test/bucklescript install
-
-    script:
-      - make -C test/bucklescript test
-      - |
-        if [ "$SAVE_BINARIES" == YES ]
-        then
-          if [ "$TRAVIS_BRANCH" == master ]
-          then
-            if [ "$TRAVIS_PULL_REQUEST" == false ]
-            then
-              bash ./test/ci/travis-binaries.sh
-            fi
-          fi
-        fi
-
-    before_cache:
-      - make -C test/bucklescript clean-for-caching
-
-  - &opam
-    before_install:
-      - '[ "$TRAVIS_EVENT_TYPE" != cron ] || rm -rf ~/.opam ~/.esy ./_opam'
-
-    install:
-      - mkdir -p _cache
-
-      - |
-        case $TRAVIS_OS_NAME in
-          "linux") OPAM_OS=linux;;
-          "osx") OPAM_OS=macos;;
-        esac
-      - OPAM_VERSION=2.0.7
-      - OPAM_PKG=opam-${OPAM_VERSION}-x86_64-${OPAM_OS}
-      - |
-        if [ ! -f _cache/opam ]
-        then
-          wget https://github.com/ocaml/opam/releases/download/${OPAM_VERSION}/${OPAM_PKG}
-          mv ${OPAM_PKG} _cache/opam
-        fi
-      - sudo cp _cache/opam /usr/local/bin/opam
-      - sudo chmod a+x /usr/local/bin/opam
-
-      - opam init -y --bare --disable-sandboxing --disable-shell-hook
-      - OPAM_FROM_CACHE=YES
-      - |
-        if [ ! -d _opam/bin ]
-        then
-          OPAM_FROM_CACHE=NO
-          rm -rf _opam
-          opam switch create . $COMPILER $REPOSITORIES --no-install
-        fi
-      - eval `opam config env`
-      - ocamlc -version
-      - opam --version
-
-      - |
-        OCAMLC=`ocamlc -version`
-        case ${OCAMLC:0:6} in
-          "4.04.2") OCAMLFORMAT_BINARY=YES;;
-          "4.05.0") OCAMLFORMAT_BINARY=YES;;
-          "4.12.0") OCAMLFORMAT_BINARY=YES;;
-        esac
-      - |
-        if [ "$OCAMLFORMAT_BINARY" == YES ]
-        then
-          opam install -y --deps-only .
-          opam install -y --unset-root ocamlfind ounit2
-          wget https://github.com/aantron/ocamlformat-binary/releases/download/0.15.0/ocamlformat
-          sudo mv ocamlformat /usr/local/bin/ocamlformat
-          sudo chmod a+x /usr/local/bin/ocamlformat
-        else
-          opam install -y --deps-only . --with-test
-        fi
-      - which ocamlformat
-      - ocamlformat --version
-
-      - opam list
-
-    script:
-      - |
-        if [ -d _cache/_build ]
-        then
-          cp -r _cache/_build .
-        fi
-      - make build
-      - |
-        case `ocamlc -version` in
-          "4.04.2") TEST_ALIAS=@compatible;;
-          "4.05.0") TEST_ALIAS=@compatible;;
-          "4.06.1") TEST_ALIAS=@compatible;;
-          "4.07.1") TEST_ALIAS=@compatible;;
-          *) TEST_ALIAS=@runtest;;
-        esac
-      - (unset TRAVIS && unset TRAVIS_JOB_ID && make test TEST=$TEST_ALIAS)
-      - |
-        if [ ! -d _cache/_build ]
-        then
-          cp -r _build _cache
-        fi
-
-      - |
-        if [ "$USAGE_TEST" == YES ]
-        then
-          opam install -y reason
-          opam install -y js_of_ocaml
-          make clean-usage usage
-        fi
-
-      - |
-        if [ "$SELF_COVERAGE" == YES ]
-        then
-          (unset TRAVIS && unset TRAVIS_JOB_ID && make self-coverage)
-          (cd _self && \
-            _build/install/default/bin/meta-bisect-ppx-report \
-              send-to Coveralls bisect*.meta)
-        fi
-
-    before_cache:
-      - opam clean
-
-matrix:
-  include:
-    - <<: *bucklescript
-      os: osx
-      osx_image: xcode12.2
-      env: BUCKLESCRIPT=YES SAVE_BINARIES=YES
-    - <<: *bucklescript
-      os: linux
-      env: BUCKLESCRIPT=YES SAVE_BINARIES=YES
-    - <<: *opam
-      os: osx
-      env: COMPILER=4.11.1
-    - <<: *opam
-      os: freebsd
-      env: COMPILER=4.11.1
-    - <<: *opam
-      os: linux
-      env: COMPILER=ocaml-variants.4.12.0+trunk REPOSITORIES=--repositories=default,beta=git+https://github.com/ocaml/ocaml-beta-repository.git
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.11.1
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.10.1
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.09.0
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.08.1 SELF_COVERAGE=YES
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.07.1 USAGE_TEST=YES
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.06.1
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.05.0
-    - <<: *opam
-      os: linux
-      env: COMPILER=4.04.2
-
-  allow_failures:
-    - env: COMPILER=ocaml-variants.4.12.0+trunk REPOSITORIES=--repositories=default,beta=git+https://github.com/ocaml/ocaml-beta-repository.git
-    - env: COMPILER=4.10.1
-    - env: COMPILER=4.09.0
-    - env: COMPILER=4.08.1 SELF_COVERAGE=YES
-    - env: COMPILER=4.07.1 USAGE_TEST=YES
-    - env: COMPILER=4.06.1
-    - env: COMPILER=4.05.0
-
-  fast_finish: true
-
-cache:
-  directories:
-    - $HOME/.opam
-    - ./_opam
-    - $HOME/.esy
-    - ./test/bucklescript/node_modules
-    - ./node_modules
-    - ./_cache