diff --git a/circle.yml b/circle.yml
index d243c57e2..6529b31d8 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,6 @@
 machine:
   pre:
-    - echo 'DOCKER_OPTS="-s btrfs -e lxc -D --userland-proxy=false"' | sudo tee -a /etc/default/docker
+    - echo 'DOCKER_OPTS="-s btrfs -e lxc --userland-proxy=false"' | sudo tee -a /etc/default/docker
     - sudo curl -L -o /usr/bin/docker 'https://s3-external-1.amazonaws.com/circle-downloads/docker-1.9.1-circleci-cp-workaround'
     - sudo chmod 0755 /usr/bin/docker
   services: