diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index ff81f8d..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,49 +0,0 @@
-# Ruby CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-ruby/ for more details
-#
-version: 2
-jobs:
-  build:
-    docker:
-       - image: circleci/ruby:2.7.3
-       - image: redis
-
-    working_directory: ~/repo
-
-    steps:
-      - checkout
-
-      # Download and cache dependencies
-      - restore_cache:
-          keys:
-          - v2-dependencies-{{ checksum "graph_attack.gemspec" }}
-          - v2-dependencies-
-
-      - run: gem install bundler:2.0.2
-      - run: bundle install --jobs=4 --retry=3 --path vendor/bundle
-
-      - save_cache:
-          paths:
-            - ./vendor/bundle
-          key: v2-dependencies-{{ checksum "graph_attack.gemspec" }}
-
-      # Run tests!
-      - run:
-          name: run tests
-          command: |
-            mkdir /tmp/test-results
-            TEST_FILES="$(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings)"
-
-            bundle exec rspec --format progress \
-                            --format RspecJunitFormatter \
-                            --out /tmp/test-results/rspec.xml \
-                            --format progress \
-                            $TEST_FILES
-
-      # Collect reports
-      - store_test_results:
-          path: /tmp/test-results
-      - store_artifacts:
-          path: /tmp/test-results
-          destination: test-results