diff -aur tilemill.ori/package.json tilemill.new/package.json
--- tilemill.ori/package.json	2014-07-05 15:43:46.903355523 +0200
+++ tilemill.new/package.json	2014-07-05 15:44:18.843977033 +0200
@@ -59,7 +59,6 @@
         "difflet": "0.2.x"
     },
     "scripts": {
-        "preinstall":"npm install npm",
         "start": "./index.js",
         "test": "mocha --timeout 100000",
         "postinstall": "node ./lib/gitutil.js"