diff --git a/.travis.yml b/.travis.yml
index a0fc0841..70c8c1a6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@
 #
 language: go
 
-# TODO - is this really required?
+# Without this, annotator.sh fails, related to gcloud.
 sudo: required
 
 go:
@@ -54,8 +54,7 @@ script:
 - go test -covermode=count -coverprofile=search.cov -v github.com/m-lab/annotation-service/search
 
 # Coveralls
-- $HOME/gopath/bin/gocovmerge handler.cov loader.cov metrics.cov parser.cov search.cov
-  > merge.cov
+- $HOME/gopath/bin/gocovmerge handler.cov loader.cov parser.cov search.cov > merge.cov
 - $HOME/gopath/bin/goveralls -coverprofile=merge.cov -service=travis-ci
 
 # Build and prepare for deployment