diff --git a/.travis.yml b/.travis.yml
index b6be0b0..961b8ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,8 @@
 language: node_js
 node_js:
-- '6.0'
-- '5.11'
-- '4.4.3'
-- 0.12.13
+- '6'
+- '4.4'
+- '0.12'
 deploy:
   provider: heroku
   api_key:
diff --git a/typings.json b/typings.json
index 4d01caa..691ccd5 100644
--- a/typings.json
+++ b/typings.json
@@ -14,8 +14,5 @@
     "node": "github:DefinitelyTyped/DefinitelyTyped/node/node.d.ts#0d622d857f97d44ea7dcad2b3edec1f23c48fe9e",
     "optimist": "registry:dt/optimist#0.0.0+20160316171810",
     "serve-static": "github:DefinitelyTyped/DefinitelyTyped/serve-static/serve-static.d.ts#0d622d857f97d44ea7dcad2b3edec1f23c48fe9e"
-  },
-  "dependencies": {
-    "es6-promise": "registry:npm/es6-promise#3.0.0+20160211003958"
   }
 }