diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index afce881..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-version: 2
-jobs:
-  UnitTests:
-    docker:
-      - image: circleci/php:7.3.11-cli
-    environment:
-      SYMFONY_PHPUNIT_VERSION: 8.5.2
-      SYMFONY_DEPRECATIONS_HELPER: "max[self]=0"
-    steps:
-      - checkout
-      - run:
-          name: Installing dependencies
-          command: composer update --prefer-dist
-      - run:
-          name: Running unit tests
-          command: vendor/bin/simple-phpunit
-  UnitTests-72:
-    docker:
-      - image: circleci/php:7.2-cli
-    environment:
-      SYMFONY_PHPUNIT_VERSION: 8.5.2
-      SYMFONY_DEPRECATIONS_HELPER: "max[self]=0"
-    steps:
-      - checkout
-      - run:
-          name: Installing dependencies
-          command: composer update --prefer-dist
-      - run:
-          name: Running unit tests
-          command: vendor/bin/simple-phpunit
-  Composer-Validate:
-    docker:
-      - image: circleci/php:7.3.11-cli
-    steps:
-      - checkout
-      - run:
-          name: Validate composer.json
-          command: composer validate
-
-workflows:
-  version: 2
-  unit-tests:
-    jobs:
-      - UnitTests
-      - UnitTests-72
-  sanity-check:
-    jobs:
-      - Composer-Validate