diff --git a/.travis.yml b/.travis.yml
index 721db553..599de76a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,9 @@ before_install:
   - go get -v github.com/golang/dep/cmd/dep
   - dep ensure
   - go get -v github.com/golang/lint/golint
+  - go get -u honnef.co/go/tools/...
 
 script:
   - golint cmd/ pkg/
   - go test -v ./...
+  - unused $(go list ./...)