diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 3eb13cdb81..0000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,77 +0,0 @@
-version: 2.1
-
-# ======================= JOBS =======================
-jobs:
-  gapic-generator-java-tests:
-    working_directory: /tmp/
-    environment:
-      TEST_REPORTS_DIR: ~/.cache/bazel
-      BAZEL_VERSION: 3.5.1
-      PYTHON_VERSION: 3.5.2
-    machine: true
-    steps:
-      - checkout:
-          path: gapic-generator-java
-      - attach_workspace:
-          at: workspace
-      - run:
-          name: Set Python version
-          command: |
-            pyenv global ${PYTHON_VERSION}
-      - run:
-          name: Install Bazel
-          command: |
-            wget https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh -O bazel_installer.sh
-            chmod +x bazel_installer.sh
-            ./bazel_installer.sh --user
-      - run:
-          name: Make reports directory
-          command: |
-            mkdir -p ${TEST_REPORTS_DIR}
-            echo "Test reports will be stored in ${TEST_REPORTS_DIR}"
-      - run:
-          name: Run unit tests for gapic-generator-java
-          command: |
-            cd /tmp/gapic-generator-java
-            bazel --batch test $(bazel query "//src/test/..." | grep "Test$") --noshow_progress
-            find . -type f -regex ".*/bazel-testlogs/.*xml" -exec cp {} ${TEST_REPORTS_DIR} \;
-      - run:
-          name: Run integration tests for gapic-generator-java
-          command: |
-            cd /tmp/gapic-generator-java
-            # Check only the goldens, rely on the pre-commits for client library compilation tests.
-            # Otherwise, this would take too long.
-            bazel --batch test //test/integration:asset //test/integration:logging //test/integration:redis --noshow_progress
-            find . -type f -regex ".*/bazel-testlogs/.*xml" -exec cp {} ${TEST_REPORTS_DIR} \;
-      - store_test_results:
-          path: ~/.cache/bazel
-  google-java-format:
-    docker:
-      - image: l.gcr.io/google/bazel
-    working_directory: /home/circleci/workspace/gapic-generator-java
-    steps:
-      - checkout
-      - run:
-          name: Java Linter
-          command: |
-            bazel --batch  build //:google_java_format_verification
-  license-header:
-    docker:
-      - image: circleci/golang:1.13
-    working_directory: /home/circleci/workspace/gapic-generator-java
-    steps:
-      - checkout
-      - run:
-          name: License Header
-          command: |
-            go get -u github.com/google/addlicense
-            addlicense -c "Google LLC" -l apache -check $(find $PWD -type f -name '*.java')
-# ======================= WORKFLOWS =======================
-
-workflows:
-  version: 2
-  run_tests:
-    jobs:
-      - gapic-generator-java-tests
-      - google-java-format
-      - license-header