diff --git a/libraries/metrics/.circleci/config.yml b/libraries/metrics/.circleci/config.yml
deleted file mode 100644
index d8eed2a65a..0000000000
--- a/libraries/metrics/.circleci/config.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-version: 2.1
-
-orbs:
-  node: circleci/node@3.0.0
-
-workflows:
-  test:
-    jobs:
-      - node/test:
-          version: "10.22"
-          override-ci-command: npm install
diff --git a/libraries/o-error/.circleci/config.yml b/libraries/o-error/.circleci/config.yml
deleted file mode 100644
index 1b5b7e6775..0000000000
--- a/libraries/o-error/.circleci/config.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: 2.1
-orbs:
-  node: circleci/node@1.1.6
-  coveralls: coveralls/coveralls@1.0.6
-
-jobs:
-  build-and-test:
-    executor:
-      name: node/default
-    steps:
-      - checkout
-      - node/with-cache:
-          steps:
-            - run: npm install
-            - run: npm run lint
-            - run: npm run typecheck
-            - run: npm run test:coverage
-      - coveralls/upload
-workflows:
-  build-and-test:
-    jobs:
-      - build-and-test
diff --git a/libraries/object-persistor/.circleci/config.yml b/libraries/object-persistor/.circleci/config.yml
deleted file mode 100644
index 4a8a9e2d14..0000000000
--- a/libraries/object-persistor/.circleci/config.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-version: 2.1
-orbs:
-  node: circleci/node@1.1.6
-jobs:
-  build-and-test:
-    executor:
-      name: node/default
-    steps:
-      - checkout
-      - node/with-cache:
-          steps:
-            - run: npm install
-            - run: npm test
-workflows:
-    build-and-test:
-      jobs:
-        - build-and-test
\ No newline at end of file