diff --git a/scripts/update.js b/scripts/update.js
deleted file mode 100644
index 9e3796ba..00000000
--- a/scripts/update.js
+++ /dev/null
@@ -1,64 +0,0 @@
-// Update preloader
-var assert = require('assert');
-var dns = require('dns');
-var net = require('net');
-var path = require('path');
-var bcoin = require('../');
-var utils = bcoin.utils;
-var assert = utils.assert;
-var network = bcoin.protocol.network;
-
-var pool = bcoin.pool({
-  size: 6,
-  redundancy: 1,
-  parallel: 4000,
-  loadWindow: 750,
-  fullNode: false
-});
-
-pool.startSync();
-
-pool.on('error', function(err) {
-  utils.print('Error: %s', err.message);
-});
-
-pool.on('debug', function() {
-  utils.print.apply(utils, arguments);
-});
-
-console.log('Updating bcoin preloaded chain...');
-
-pool.on('block', function(block) {
-  console.log('Got: %s from %s chain len %d orp %d act %d queue %d',
-              block.hash('hex'),
-              new Date(block.ts * 1000).toString(),
-              pool.chain.index.hashes.length,
-              pool.chain.orphan.count,
-              pool.request.active,
-              pool.request.queue.length);
-});
-
-// pool.on('addr', function(data) {
-//   console.log('Found new peer: %s:%d', data.host, data.port);
-// });
-
-pool.once('full', finish);
-process.once('SIGINT', finish);
-
-var once = false;
-function finish() {
-  if (once)
-    return;
-  once = true;
-
-  console.log('Done...');
-  var chain = '// Autogenerated, use scripts/update.js to update\n' +
-              'module.exports = ' +
-              JSON.stringify(pool.chain.toJSON(), null, 2) + '\n';
-  var name = network.type === 'main' ? 'preload.js' : 'preload-test.js';
-  var file =
-      path.resolve(__dirname, '..', 'lib', 'bcoin', 'protocol', name);
-
-  require('fs').writeFileSync(file, chain);
-  pool.destroy();
-}