diff --git a/assets/javascripts/app/app.coffee b/assets/javascripts/app/app.coffee
index 427e31e0..50190069 100644
--- a/assets/javascripts/app/app.coffee
+++ b/assets/javascripts/app/app.coffee
@@ -15,7 +15,7 @@
     @el = $('._app')
     @localStorage = new LocalStorageStore
     @appCache = new app.AppCache if app.AppCache.isEnabled()
-    @settings = new app.Settings @localStorage
+    @settings = new app.Settings
     @db = new app.DB()
 
     @docs = new app.collections.Docs
@@ -106,7 +106,6 @@
     @hideLoading()
     @welcomeBack() unless @doc
     @removeEvent 'ready bootError'
-    try navigator.mozApps?.getSelf().onsuccess = -> app.mozApp = true catch
     return
 
   initDoc: (doc) ->
@@ -117,12 +116,7 @@
   migrateDocs: ->
     for slug in @settings.getDocs() when not @docs.findBy('slug', slug)
       needsSaving = true
-      doc = @disabledDocs.findBy('slug', 'codeigniter~3') if slug == 'codeigniter~3.0'
-      doc = @disabledDocs.findBy('slug', 'node~4_lts') if slug == 'node~4.2_lts'
-      doc = @disabledDocs.findBy('slug', 'xslt_xpath') if slug == 'xpath'
-      doc = @disabledDocs.findBy('slug', 'angular~2_typescript') if slug == 'angular~2.0_typescript'
-      doc = @disabledDocs.findBy('slug', "angularjs~#{match[1]}") if match = /^angular~(1\.\d)$/.exec(slug)
-      doc ||= @disabledDocs.findBy('slug_without_version', slug)
+      doc = @disabledDocs.findBy('slug_without_version', slug)
       if doc
         @disabledDocs.remove(doc)
         @docs.add(doc)
diff --git a/assets/javascripts/app/settings.coffee b/assets/javascripts/app/settings.coffee
index 96f923bd..ec651b32 100644
--- a/assets/javascripts/app/settings.coffee
+++ b/assets/javascripts/app/settings.coffee
@@ -13,21 +13,8 @@ class app.Settings
     manualUpdate: false
     schema: 1
 
-  constructor: (legacyStore) ->
+  constructor: ->
     @store = new CookieStore
-    @importLegacyValues(legacyStore)
-
-  importLegacyValues: (legacyStore) ->
-    return unless settings = legacyStore.get('settings')
-    for key, value of settings
-      if key == 'autoUpdate'
-        key = 'manualUpdate'
-        value = !value
-      else if key == 'tips'
-        value = value.join('/')
-      @store.set(key, value)
-    legacyStore.del('settings')
-    return
 
   set: (key, value) ->
     @store.set(key, value)
diff --git a/assets/javascripts/news.json b/assets/javascripts/news.json
index a67185d7..e28e6f25 100644
--- a/assets/javascripts/news.json
+++ b/assets/javascripts/news.json
@@ -90,9 +90,6 @@
     "2015-07-26",
     "Added search abbreviations (e.g. <code class=\"_label\">$</code> is an alias for <code class=\"_label\">jQuery</code>).\n<a href=\"/help#abbreviations\">Click here</a> to see the full list. Feel free to suggest more on <a href=\"https://github.com/Thibaut/devdocs/issues/new\" target=\"_blank\" rel=\"noopener\">GitHub</a>.",
     "Added <code class=\"_label\">shift + &darr;/&uarr;</code> shortcut for scrolling (same as <code class=\"_label\">alt + &darr;/&uarr;</code>)."
-  ], [
-    "2015-07-12",
-    "New sponsors: <a href=\"http://out.devdocs.io/s/jetbrains\">JetBrains</a> and <a href=\"http://out.devdocs.io/s/code-school\">Code School</a>\nIf you like DevDocs, please take a moment to check out their products — they're awesome!"
   ], [
     "2015-07-05",
     "New documentations: <a href=\"/drupal/\">Drupal</a>, <a href=\"/vue/\">Vue.js</a>, <a href=\"/phaser/\">Phaser</a> and <a href=\"/webpack/\">webpack</a>"
diff --git a/assets/javascripts/templates/pages/offline_tmpl.coffee b/assets/javascripts/templates/pages/offline_tmpl.coffee
index d60d9968..752031d2 100644
--- a/assets/javascripts/templates/pages/offline_tmpl.coffee
+++ b/assets/javascripts/templates/pages/offline_tmpl.coffee
@@ -42,8 +42,6 @@ app.templates.offlinePage = (docs) -> """
 canICloseTheTab = ->
   if app.AppCache.isEnabled()
     """ Yes! Even offline, you can open a new tab, go to <a href="//devdocs.io">devdocs.io</a>, and everything will work as if you were online (provided you installed all the documentations you want to use beforehand). """
-  else if app.mozApp
-    """ Yes! Even offline, you can open the app and everything will work as if you were online (provided you installed all the documentations you want to use beforehand). """
   else
     """ No. AppCache isn't available in your browser (or is disabled) so loading <a href="//devdocs.io">devdocs.io</a> offline won't work.<br>
         The current tab will continue to work, though (provided you installed all the documentations you want to use beforehand). """