From c0271e350975acbced8dfb658db773d93231d9ff Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Sat, 31 Oct 2015 15:11:54 -0600
Subject: [PATCH] Prune before installing

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index aaabfd8d5b..7c629bc205 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ env:
 
 before_install:
   - "npm install -g npm && npm install"
+  - "npm prune"
 
 before_script:
   - "rm src/ol/renderer/webgl/*shader.js"