diff '--color=auto' -ruN node-v9.11.1.orig/deps/npm/bin/npm-cli.js node-v9.11.1/deps/npm/bin/npm-cli.js
--- node-v9.11.1.orig/deps/npm/bin/npm-cli.js	2018-04-05 00:34:51.000000000 -0400
+++ node-v9.11.1/deps/npm/bin/npm-cli.js	2018-04-09 16:57:31.595166069 -0400
@@ -25,12 +25,6 @@
 
   unsupported.checkForUnsupportedNode()
 
-  if (!unsupported.checkVersion(process.version).unsupported) {
-    var updater = require('update-notifier')
-    var pkg = require('../package.json')
-    updater({pkg: pkg}).notify({defer: true})
-  }
-
   var path = require('path')
   var npm = require('../lib/npm.js')
   var npmconf = require('../lib/config/core.js')