diff --git a/circle.yml b/circle.yml
index 32804c63..bdb710c7 100644
--- a/circle.yml
+++ b/circle.yml
@@ -40,11 +40,11 @@ test:
         parallel: true
     - docker run -v /home/ubuntu:/home/go -e COVERDIR=test/coverage -e SLOW=true -e CIRCLECI -e CIRCLE_BUILD_NUM -e CIRCLE_NODE_TOTAL -e CIRCLE_NODE_INDEX weaveworks/weave-test:
         parallel: true
-    - docker run -v /var/run/docker.sock:/run/docker.sock -v /home/ubuntu:/home/go -e COVERAGE=true weaveworks/weave-build:
+    - docker run -v /var/run/docker.sock:/run/docker.sock -v /home/ubuntu:/home/go weaveworks/weave-build:
         parallel: true
     - cd $SRCDIR/test; ./gce.sh setup && eval $(./gce.sh hosts) && ./setup.sh:
         parallel: true
-    - cd $SRCDIR/test; eval $(./gce.sh hosts); export COVERAGE=true; ./run_all.sh:
+    - cd $SRCDIR/test; eval $(./gce.sh hosts); ./run_all.sh:
         parallel: true
         timeout: 300
     - cd $SRCDIR; make clean-bin: