diff --git a/build/convert.rb b/build/convert.rb
deleted file mode 100644
index 46d0393..0000000
--- a/build/convert.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-require "open3"
-require "nokogiri"
-require "net/http"
-require "json"
-
-def render_cached(cache, display, string, render_comment = nil)
-  cache.fetch(string) do |new|
-    puts "  Rendering #{render_comment || new}"
-    res = Net::HTTP.post URI("http://localhost:8000/render"),
-      { :equations => [ { :str => string, :display => display } ] }.to_json,
-       "Content-Type" => "application/json"
-    cache[string] = JSON.parse(res.body)[0]
-  end
-end
-
-def perform_katex_sub(inline_cache, display_cache, content)
-  rendered = content.gsub /\\\(((?:[^\\]|\\[^\)])*)\\\)/ do |match|
-    render_cached(inline_cache, false, $~[1])
-  end
-  rendered = rendered.gsub /\$\$((?:[^\$]|$[^\$])*)\$\$/ do |match|
-    render_cached(display_cache, true, $~[1], "display")
-  end
-  return rendered
-end
-
-files = ARGV[0..-1]
-inline_cache, display_cache = {}, {}
-
-files.each do |file|
-  puts "Rendering file: #{file}"
-  document = Nokogiri::HTML.parse(File.open(file))
-  document.search('//*[not(ancestor-or-self::code)]/text()').each do |t|
-    t.replace(perform_katex_sub(inline_cache, display_cache, t.content))
-  end
-  File.write(file, document.to_html(encoding: 'UTF-8'))
-end
diff --git a/build/katexserver.js b/build/katexserver.js
deleted file mode 100644
index dc5ca0b..0000000
--- a/build/katexserver.js
+++ /dev/null
@@ -1,11 +0,0 @@
-const katex = require('katex');
-const express = require('express');
-const bodyParser = require('body-parser');
-
-app = express();
-app.use(bodyParser.json());
-app.post('/render', (req, res) => {
-    res.send(req.body.equations.map(eq =>
-        katex.renderToString(eq.str, { throwOnError: false, displayMode: eq.display })));
-});
-app.listen(8000);