diff --git a/build/workbox.config.json b/build/workbox.config.json
deleted file mode 100644
index a649431ed7..0000000000
--- a/build/workbox.config.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "globDirectory": "./",
-  "globPatterns": [
-    "_gh_pages/**/*.{html,css,js,json,png,svg}"
-  ],
-  "swSrc": "./site/sw.js",
-  "swDest": "./_gh_pages/sw.js"
-}
diff --git a/build/workbox.js b/build/workbox.js
deleted file mode 100644
index a8d9551585..0000000000
--- a/build/workbox.js
+++ /dev/null
@@ -1,56 +0,0 @@
-/*!
- * Script to generate our docs service worker.
- * Copyright 2017-2018 The Bootstrap Authors
- * Copyright 2017-2018 Twitter, Inc.
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- */
-
-const fs = require('fs')
-const path = require('path')
-const swBuild = require('workbox-build')
-const config = require('./workbox.config.json')
-
-const buildPrefix = '_gh_pages/'
-
-const workboxSWSrcPath = require.resolve('workbox-sw')
-const wbFileName = path.basename(workboxSWSrcPath)
-const workboxSWDestPath = `${buildPrefix}docs/4.1/assets/js/vendor/${wbFileName}`
-const workboxSWSrcMapPath = `${workboxSWSrcPath}.map`
-const workboxSWDestMapPath = `${workboxSWDestPath}.map`
-
-fs.createReadStream(workboxSWSrcPath).pipe(fs.createWriteStream(workboxSWDestPath))
-fs.createReadStream(workboxSWSrcMapPath).pipe(fs.createWriteStream(workboxSWDestMapPath))
-
-const updateUrl = (manifestEntries) => {
-  const manifest = manifestEntries.map((entry) => {
-    if (entry.url.startsWith(buildPrefix)) {
-      const regex = new RegExp(buildPrefix, 'g')
-      entry.url = entry.url.replace(regex, '')
-    }
-    return entry
-  })
-  return {
-    manifest,
-    warnings: []
-  }
-}
-
-config.manifestTransforms = [updateUrl]
-
-swBuild.injectManifest(config).then(({
-  count,
-  size
-}) => {
-  const wbSwRegex = /{fileName}/g
-  fs.readFile(config.swDest, 'utf8', (err, data) => {
-    if (err) {
-      throw err
-    }
-    const swFileContents = data.replace(wbSwRegex, wbFileName)
-    fs.writeFile(config.swDest, swFileContents, () => {
-      console.log(`Pre-cache Manifest generated. Pre-cached ${count} files, totalling ${size} bytes.`)
-    })
-  })
-}).catch((error) => {
-  console.error(`Something went wrong: ${error}`)
-})
diff --git a/package.json b/package.json
index 39e883d18b..7fbcfb8e31 100644
--- a/package.json
+++ b/package.json
@@ -61,14 +61,12 @@
     "coveralls": "shx cat js/coverage/lcov.info | coveralls",
     "docs": "npm-run-all --parallel css-docs js-docs --sequential docs-compile docs-lint",
     "docs-compile": "bundle exec jekyll build",
-    "postdocs-compile": "npm run docs-workbox-precache",
     "docs-production": "cross-env JEKYLL_ENV=production npm run docs-compile",
     "docs-lint": "npm-run-all docs-lint-*",
     "docs-lint-htmllint": "htmllint --rc build/.htmllintrc \"_gh_pages/**/*.html\" \"js/tests/**/*.html\"",
     "docs-lint-vnu-jar": "node build/vnu-jar.js",
     "docs-serve": "bundle exec jekyll serve",
     "docs-serve-only": "npm run docs-serve -- --skip-initial-build --no-watch",
-    "docs-workbox-precache": "node build/workbox.js",
     "update-deps": "ncu -a -x jquery -x bundlesize && npm update && bundle update && shx echo Manually update \"site/docs/4.1/assets/js/vendor/\"",
     "release": "npm run dist && npm run release-sri && npm run release-zip && npm run docs-production",
     "release-sri": "node build/generate-sri.js",
@@ -144,8 +142,7 @@
     "stylelint-order": "^1.0.0",
     "stylelint-scss": "^3.3.1",
     "uglify-js": "^3.4.9",
-    "vnu-jar": "18.8.29",
-    "workbox-build": "^3.6.2"
+    "vnu-jar": "18.8.29"
   },
   "engines": {
     "node": ">=6"
diff --git a/site/_includes/scripts.html b/site/_includes/scripts.html
index 74d6f9ef2e..3db172665e 100644
--- a/site/_includes/scripts.html
+++ b/site/_includes/scripts.html
@@ -21,5 +21,4 @@
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/application.js"></script>
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/search.js"></script>
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/ie-emulation-modes-warning.js"></script>
-  <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/pwa.js"></script>
 {%- endif -%}
diff --git a/site/docs/4.1/assets/js/src/pwa.js b/site/docs/4.1/assets/js/src/pwa.js
deleted file mode 100644
index 9d2b7fbed5..0000000000
--- a/site/docs/4.1/assets/js/src/pwa.js
+++ /dev/null
@@ -1,21 +0,0 @@
-// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
-// IT'S ALL JUST JUNK FOR OUR DOCS!
-// ++++++++++++++++++++++++++++++++++++++++++
-
-/* eslint no-console:off */
-
-(function () {
-  'use strict'
-
-  if ('serviceWorker' in navigator) {
-    window.addEventListener('load', function () {
-      navigator.serviceWorker.register('/sw.js').then(function (registration) {
-        console.log('ServiceWorker registration successful with scope: ', registration.scope)
-      }).catch(function (err) {
-        console.log('ServiceWorker registration failed: ', err)
-      })
-    })
-  } else {
-    console.log('Service workers are not supported.')
-  }
-}())
diff --git a/site/sw.js b/site/sw.js
deleted file mode 100644
index bc67fee258..0000000000
--- a/site/sw.js
+++ /dev/null
@@ -1,5 +0,0 @@
-/* global workbox:false */
-
-self.importScripts('docs/4.1/assets/js/vendor/{fileName}')
-
-workbox.precaching.precacheAndRoute([])