diff --git a/app/javascript/mastodon/actions/notifications.js b/app/javascript/mastodon/actions/notifications.js
index 8bae411c1e..7f80503309 100644
--- a/app/javascript/mastodon/actions/notifications.js
+++ b/app/javascript/mastodon/actions/notifications.js
@@ -1,7 +1,7 @@
 import api, { getLinks } from '../api'
 import Immutable from 'immutable';
 import IntlMessageFormat from 'intl-messageformat';
-
+import { unescape } from 'lodash';
 import { fetchRelationships } from './accounts';
 
 export const NOTIFICATIONS_UPDATE = 'NOTIFICATIONS_UPDATE';
@@ -25,6 +25,8 @@ const fetchRelatedRelationships = (dispatch, notifications) => {
   }
 };
 
+const unescapeHTML = (html) => unescape(html).replace(/<\/?\w+(?:\s[^>]*)?>/g, '');
+
 export function updateNotifications(notification, intlMessages, intlLocale) {
   return (dispatch, getState) => {
     const showAlert = getState().getIn(['settings', 'notifications', 'alerts', notification.type], true);
@@ -43,7 +45,7 @@ export function updateNotifications(notification, intlMessages, intlLocale) {
     // Desktop notifications
     if (typeof window.Notification !== 'undefined' && showAlert) {
       const title = new IntlMessageFormat(intlMessages[`notification.${notification.type}`], intlLocale).format({ name: notification.account.display_name.length > 0 ? notification.account.display_name : notification.account.username });
-      const body  = (notification.status && notification.status.spoiler_text.length > 0) ? notification.status.spoiler_text : $('<p>').html(notification.status ? notification.status.content : '').text();
+      const body  = (notification.status && notification.status.spoiler_text.length > 0) ? notification.status.spoiler_text : unescapeHTML(notification.status ? notification.status.content : '');
 
       new Notification(title, { body, icon: notification.account.avatar, tag: notification.id });
     }
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index cfd134a9ba..247ac3922f 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -1,6 +1,7 @@
 import Mastodon from 'mastodon/containers/mastodon';
 import React from 'react';
 import ReactDOM from 'react-dom';
+import Rails from 'rails-ujs';
 import 'font-awesome/css/font-awesome.css';
 import '../styles/application.scss';
 
@@ -9,10 +10,10 @@ if (!window.Intl) {
   require('intl/locale-data/jsonp/en.js');
 }
 
-window.jQuery = window.$ = require('jquery');
 window.Perf = require('react-addons-perf');
 
-require('jquery-ujs');
+Rails.start();
+
 require.context('../images/', true);
 
 const customContext = require.context('../../assets/stylesheets/', false);
diff --git a/app/javascript/packs/public.js b/app/javascript/packs/public.js
index 9a3f6c90b7..6aef2ffeef 100644
--- a/app/javascript/packs/public.js
+++ b/app/javascript/packs/public.js
@@ -2,9 +2,8 @@ import emojify from 'mastodon/emoji';
 import { length } from 'stringz';
 import { default as dateFormat } from 'date-fns/format';
 import distanceInWordsStrict from 'date-fns/distance_in_words_strict';
+import { delegate } from 'rails-ujs';
 
-window.jQuery = window.$ = require('jquery');
-require('jquery-ujs');
 require.context('../images/', true);
 
 const parseFormat = (format) => format.replace(/%(\w)/g, (_, modifier) => {
@@ -46,62 +45,63 @@ const parseFormat = (format) => format.replace(/%(\w)/g, (_, modifier) => {
   }
 });
 
-$(() => {
-  $.each($('.emojify'), (_, content) => {
-    const $content = $(content);
-    $content.html(emojify($content.html()));
-  });
+document.addEventListener('DOMContentLoaded', () => {
+  for (const content of document.getElementsByClassName('emojify')) {
+    content.innerHTML = emojify(content.innerHTML);
+  }
 
-  $('time[data-format]').each((_, content) => {
-    const $content = $(content);
-    const format = parseFormat($content.data('format'));
-    const formattedDate = dateFormat($content.attr('datetime'), format);
-    $content.text(formattedDate);
-  });
+  for (const content of document.querySelectorAll('time[data-format]')) {
+    const format = parseFormat(content.dataset.format);
+    const formattedDate = dateFormat(content.getAttribute('datetime'), format);
+    content.textContent = formattedDate;
+  }
 
-  $('time.time-ago').each((_, content) => {
-    const $content = $(content);
-    const timeAgo = distanceInWordsStrict(new Date(), $content.attr('datetime'), { addSuffix: true });
-    $content.text(timeAgo);
-  });
+  for (const content of document.querySelectorAll('time.time-ago')) {
+    const timeAgo = distanceInWordsStrict(new Date(), content.getAttribute('datetime'), {
+      addSuffix: true,
+    });
+    content.textContent = timeAgo;
+  }
 
-  $('.video-player video').on('click', e => {
-    if (e.target.paused) {
-      e.target.play();
+  delegate(document, '.video-player video', 'click', ({ target }) => {
+    if (target.paused) {
+      target.play();
     } else {
-      e.target.pause();
+      target.pause();
     }
   });
 
-  $('.media-spoiler').on('click', e => {
-    $(e.target).hide();
+  delegate(document, '.media-spoiler', 'click', ({ target }) => {
+    target.style.display = 'none';
   });
 
-  $('.webapp-btn').on('click', e => {
-    if (e.button === 0) {
-      e.preventDefault();
-      window.location.href = $(e.target).attr('href');
+  delegate(document, '.webapp-btn', 'click', ({ target, button }) => {
+    if (button !== 0) {
+      return true;
     }
+    window.location.href = target.href;
+    return false;
   });
 
-  $('.status__content__spoiler-link').on('click', e => {
-    e.preventDefault();
-    const contentEl = $(e.target).parent().parent().find('div');
-
-    if (contentEl.is(':visible')) {
-      contentEl.hide();
-      $(e.target).parent().attr('style', 'margin-bottom: 0');
+  delegate(document, '.status__content__spoiler-link', 'click', ({ target }) => {
+    const contentEl = target.parentNode.parentNode.querySelector('.e-content');
+    if (contentEl.style.display === 'block') {
+      contentEl.style.display = 'none';
+      target.parentNode.style.marginBottom = 0;
     } else {
-      contentEl.show();
-      $(e.target).parent().attr('style', null);
+      contentEl.style.display = 'block';
+      target.parentNode.style.marginBottom = null;
     }
+    return false;
   });
 
-  $('.account_display_name').on('input', e => {
-    $('.name-counter').text(30 - length($(e.target).val()));
+  delegate(document, '.account_display_name', 'input', ({ target }) => {
+    const [nameCounter, ] = document.getElementsByClassName('name-counter');
+    nameCounter.textContent = 30 - length(target.value);
   });
 
-  $('.account_note').on('input', e => {
-    $('.note-counter').text(160 - length($(e.target).val()));
+  delegate(document, '.account_note', 'input', ({ target }) => {
+    const [noteCounter, ] = document.getElementsByClassName('.note-counter');
+    noteCounter.textContent = 160 - length(target.value);
   });
 });
diff --git a/package.json b/package.json
index 11c5aa6750..bfabdfeceb 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,6 @@
     "http-link-header": "^0.8.0",
     "immutable": "^3.8.1",
     "intl": "^1.2.5",
-    "jquery-ujs": "^1.2.2",
     "js-yaml": "^3.8.3",
     "lodash": "^4.17.4",
     "node-sass": "^4.5.2",
@@ -70,6 +69,7 @@
     "prop-types": "^15.5.8",
     "punycode": "^2.1.0",
     "rails-erb-loader": "^5.0.0",
+    "rails-ujs": "^5.1.0",
     "react": "^15.5.4",
     "react-addons-perf": "^15.4.2",
     "react-addons-shallow-compare": "^15.5.2",
diff --git a/yarn.lock b/yarn.lock
index bb0a6aae18..b38b94cfb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3639,16 +3639,6 @@ jodid25519@^1.0.0:
   dependencies:
     jsbn "~0.1.0"
 
-jquery-ujs@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/jquery-ujs/-/jquery-ujs-1.2.2.tgz#6a8ef1020e6b6dda385b90a4bddc128c21c56397"
-  dependencies:
-    jquery ">=1.8.0"
-
-jquery@>=1.8.0:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.2.1.tgz#5c4d9de652af6cd0a770154a631bba12b015c787"
-
 js-base64@^2.1.9:
   version "2.1.9"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.1.9.tgz#f0e80ae039a4bd654b5f281fc93f04a914a7fcce"
@@ -5404,6 +5394,10 @@ rails-erb-loader@^5.0.0:
     loader-utils "^1.1.0"
     lodash.defaults "^4.2.0"
 
+rails-ujs@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/rails-ujs/-/rails-ujs-5.1.0.tgz#23ff5ce4bf21e09b33c4d6d7f8d1a51af05edde7"
+
 randomatic@^1.1.3:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.5.tgz#5e9ef5f2d573c67bd2b8124ae90b5156e457840b"