diff --git a/build/.banner.txt b/build/.banner.txt
index 846b2e53e4cd3b7c7299da0382cff06cd2c55ef5..17c789f6a905119c9f27efb302bb6d1a43898fd1 100644
--- a/build/.banner.txt
+++ b/build/.banner.txt
@@ -1,7 +1,6 @@
 /*!
  * <%= pkg.name %> library v<%= pkg.version %>
  * <%= pkg.homepage %>
- * @preserve
  *
  * Copyright (c) 2014-<%= now.substr(0, 4) %> Alvaro Cabrera & Tomasz Ducin
  * Released under the <%= pkg.license %> license
diff --git a/build/tsc.sh b/build/tsc.sh
deleted file mode 100755
index 6f458856e5e58a51dab3566076fa2265bfb92007..0000000000000000000000000000000000000000
--- a/build/tsc.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-
-# --out will not work with CommonJS, see https://github.com/Microsoft/TypeScript/issues/1544
-tsc --module commonjs ts/index.ts ts/api/extend.ts # add `--noImplicitAny` at some point
-mkdir -p lib/api lib/class lib/core lib/generators lib/types
-
-mv ts/api/*.js lib/api/
-mv ts/class/*.js lib/class/
-mv ts/core/*.js lib/core/
-mv ts/generators/*.js lib/generators/
-mv ts/types/*.js lib/types/
-mv ts/*.js lib/