diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index b08ad56..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,164 +0,0 @@
-version: 2
-jobs:
-  build:
-    machine:
-      image: circleci/classic:201808-01
-    steps:
-      - restore_cache:
-          keys:
-            - build-v1-{{ .Branch }}-{{ epoch }}
-            - build-v1-{{ .Branch }}-
-            - build-v1-master-
-            - build-v1-
-          paths:
-            - /tmp/docker
-      - run:
-          name: Set-up a Docker registry
-          command: |
-            docker run -d -p 5000:5000 --restart=always --name=registry \
-                -v /tmp/docker:/var/lib/registry registry:2
-      - run:
-          name: Pull existing images
-          command: |
-            set +e
-            docker pull localhost:5000/neurodebian
-            success=$?
-            set -e
-            if [[ "$success" = "0" ]]; then
-                echo "Pulling from local registry"
-                docker tag localhost:5000/neurodebian neurodebian:stretch-non-free
-                docker pull localhost:5000/nipype_tutorial
-                docker tag localhost:5000/nipype_tutorial miykael/nipype_tutorial:latest
-            else
-                echo "Pulling from Docker Hub"
-                docker pull neurodebian:stretch-non-free
-                docker tag neurodebian:stretch-non-free localhost:5000/neurodebian
-                docker push localhost:5000/neurodebian
-            fi
-
-      - checkout
-      - run:
-          name: Build Docker image & push to registry
-          no_output_timeout: 60m
-          command: |
-            docker build --rm --cache-from=miykael/nipype_tutorial:latest \
-                -t miykael/nipype_tutorial:latest .
-            docker tag miykael/nipype_tutorial:latest localhost:5000/nipype_tutorial
-            docker push localhost:5000/nipype_tutorial
-      - run:
-          name: Docker registry garbage collection
-          command: |
-            docker exec -it registry /bin/registry garbage-collect --delete-untagged \
-                /etc/docker/registry/config.yml
-      - save_cache:
-          key: build-v1-{{ .Branch }}-{{ epoch }}
-          paths:
-            - /tmp/docker
-
-  test_1:
-    machine:
-      image: circleci/classic:201808-01
-    steps:
-      - restore_cache:
-          keys:
-            - build-v1-{{ .Branch }}-{{ epoch }}
-            - build-v1-{{ .Branch }}-
-            - build-v1-master-
-            - build-v1-
-          paths:
-            - /tmp/docker
-      - run:
-          name: Set-up a Docker registry & pull
-          command: |
-            docker run -d -p 5000:5000 --restart=always --name=registry \
-                -v /tmp/docker:/var/lib/registry registry:2
-            docker pull localhost:5000/nipype_tutorial
-            docker tag localhost:5000/nipype_tutorial miykael/nipype_tutorial:latest
-      - run:
-          name: run tests 1
-          no_output_timeout: 120m
-          command: |
-            docker run -it --rm miykael/nipype_tutorial:latest python /home/neuro/nipype_tutorial/test_notebooks.py 1
-  test_2:
-    machine:
-      image: circleci/classic:201808-01
-    steps:
-      - restore_cache:
-          keys:
-            - build-v1-{{ .Branch }}-{{ epoch }}
-            - build-v1-{{ .Branch }}-
-            - build-v1-master-
-            - build-v1-
-          paths:
-            - /tmp/docker
-      - run:
-          name: Set-up a Docker registry & pull
-          command: |
-            docker run -d -p 5000:5000 --restart=always --name=registry \
-                -v /tmp/docker:/var/lib/registry registry:2
-            docker pull localhost:5000/nipype_tutorial
-            docker tag localhost:5000/nipype_tutorial miykael/nipype_tutorial:latest
-      - run:
-          name: run tests 2
-          no_output_timeout: 120m
-          command: |
-            docker run -it --rm miykael/nipype_tutorial:latest python /home/neuro/nipype_tutorial/test_notebooks.py 2
-  test_3:
-    machine:
-      image: circleci/classic:201808-01
-    steps:
-      - restore_cache:
-          keys:
-            - build-v1-{{ .Branch }}-{{ epoch }}
-            - build-v1-{{ .Branch }}-
-            - build-v1-master-
-            - build-v1-
-          paths:
-            - /tmp/docker
-      - run:
-          name: Set-up a Docker registry & pull
-          command: |
-            docker run -d -p 5000:5000 --restart=always --name=registry \
-                -v /tmp/docker:/var/lib/registry registry:2
-            docker pull localhost:5000/nipype_tutorial
-            docker tag localhost:5000/nipype_tutorial miykael/nipype_tutorial:latest
-      - run:
-          name: run tests 3
-          no_output_timeout: 120m
-          command: |
-            docker run -it --rm miykael/nipype_tutorial:latest python /home/neuro/nipype_tutorial/test_notebooks.py 3
-
-workflows:
-  version: 2
-  build_and_test:
-    jobs:
-      - build
-      - test_1:
-          requires:
-            - build
-      - test_2:
-          requires:
-            - build
-      - test_3:
-          requires:
-            - build
-
-  nightly:
-    triggers:
-      - schedule:
-          cron: "0 10 * * *"
-          filters:
-            branches:
-              only:
-                - master
-    jobs:
-      - build
-      - test_1:
-          requires:
-            - build
-      - test_2:
-          requires:
-            - build
-      - test_3:
-          requires:
-            - build
diff --git a/README.md b/README.md
index 9a93c5e..c9740fc 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # Nipype Tutorial Notebooks
 
-[![CircleCi](https://circleci.com/gh/miykael/nipype_tutorial.svg?style=shield)](https://circleci.com/gh/miykael/nipype_tutorial/tree/master)
 [![GitHub issues](https://img.shields.io/github/issues/miykael/nipype_tutorial.svg)](https://github.com/miykael/nipype_tutorial/issues/)
 [![GitHub pull-requests](https://img.shields.io/github/issues-pr/miykael/nipype_tutorial.svg)](https://github.com/miykael/nipype_tutorial/pulls/)
 [![GitHub contributors](https://img.shields.io/github/contributors/miykael/nipype_tutorial.svg)](https://GitHub.com/miykael/nipype_tutorial/graphs/contributors/)