diff --git a/mobile/android/chrome/content/aboutReader.html b/mobile/android/chrome/content/aboutReader.html
index 07e853ef3811..c327f78001c3 100644
--- a/mobile/android/chrome/content/aboutReader.html
+++ b/mobile/android/chrome/content/aboutReader.html
@@ -10,7 +10,15 @@
 </head>
 
 <body onload="AboutReader.init();" onunload="AboutReader.uninit();">
-  <iframe id="frame" src="about:readercontent"></iframe>
+  <div id="reader-header" class="header">
+    <div id="reader-domain" class="domain"></div>
+    <h1 id="reader-title"></h1>
+    <div id="reader-credits" class="credits"></div>
+  </div>
+
+  <div id="reader-content" class="content">
+  </div>
+
   <ul id="reader-toolbar" class="toolbar toolbar-hidden">
     <li><a id="share-button" class="button share-button" href="#"></a></li>
     <ul class="dropdown">
@@ -27,7 +35,8 @@
     <li><a id="toggle-button" class="button toggle-button" href="#"></a></li>
   </ul>
 
-  <script type="application/javascript;version=1.8" src="chrome://browser/content/aboutReader.js"></script>
+  <script type="application/javascript;version=1.8" src="chrome://browser/content/aboutReader.js">
+  </script>
 </body>
 
 </html>
diff --git a/mobile/android/chrome/content/aboutReader.js b/mobile/android/chrome/content/aboutReader.js
index e24d243a2fae..6b7091fc68de 100644
--- a/mobile/android/chrome/content/aboutReader.js
+++ b/mobile/android/chrome/content/aboutReader.js
@@ -39,19 +39,20 @@ let AboutReader = {
     this._article = null;
 
     dump("Feching toolbar, header and content notes from about:reader");
-    this._frame = document.getElementById("frame");
-    this._headerElement = this._frame.contentDocument.getElementById("reader-header");
-    this._domainElement = this._frame.contentDocument.getElementById("reader-domain");
-    this._creditsElement = this._frame.contentDocument.getElementById("reader-credits");
-    this._contentElement = this._frame.contentDocument.getElementById("reader-content");
+    this._headerElement = document.getElementById("reader-header");
+    this._domainElement = document.getElementById("reader-domain");
+    this._titleElement = document.getElementById("reader-title");
+    this._creditsElement = document.getElementById("reader-credits");
+    this._contentElement = document.getElementById("reader-content");
     this._toolbarElement = document.getElementById("reader-toolbar");
 
     this._toolbarEnabled = false;
 
-    this._frame.contentDocument.addEventListener("DOMSubtreeModified", this, false);
-    this._frame.contentDocument.addEventListener("MozScrolledAreaChanged", this, false);
-    this._frame.contentDocument.addEventListener("touchstart", this, false);
-    this._frame.contentDocument.addEventListener("click", this, false);
+    this._scrollOffset = window.pageYOffset;
+
+    let body = document.body;
+    body.addEventListener("touchstart", this, false);
+    body.addEventListener("click", this, false);
     window.addEventListener("scroll", this, false);
     window.addEventListener("popstate", this, false);
     window.addEventListener("resize", this, false);
@@ -131,25 +132,17 @@ let AboutReader = {
       case "resize":
         this._updateImageMargins();
         break;
-      case "DOMSubtreeModified":
-      case "MozScrolledAreaChanged":
-        let newHeight = this._frame.contentDocument.body.offsetHeight + "px";
-        if (this._frame.style.height != newHeight) {
-          this._frame.style.height = newHeight;
-        }
-        break;
     }
   },
 
   uninit: function Reader_uninit() {
     dump("Uninit()");
 
-    Services.obs.removeObserver(this, "Reader:FaviconReturn");
+    Services.obs.removeObserver(this, "Reader:FaviconReturn", false);
 
-    this._frame.contentDocument.removeEventListener("touchstart", this, false);
-    this._frame.contentDocument.removeEventListener("click", this, false);
-    this._frame.contentDocument.removeEventListener("DOMSubtreeModified", this, false);
-    this._frame.contentDocument.removeEventListener("MozScrolledAreaChanged", this, false);
+    let body = document.body;
+    body.removeEventListener("touchstart", this, false);
+    body.removeEventListener("click", this, false);
     window.removeEventListener("scroll", this, false);
     window.removeEventListener("popstate", this, false);
     window.removeEventListener("resize", this, false);
@@ -237,9 +230,8 @@ let AboutReader = {
       return;
 
     this._marginSize = Math.max(5, Math.min(25, newMarginSize));
-    let bodyStyle = this._frame.contentDocument.body.style;
-    bodyStyle.marginLeft = this._marginSize + "%";
-    bodyStyle.marginRight = this._marginSize + "%";
+    document.body.style.marginLeft = this._marginSize + "%";
+    document.body.style.marginRight = this._marginSize + "%";
 
     this._updateImageMargins();
 
@@ -257,7 +249,7 @@ let AboutReader = {
     if (this._fontSize === newFontSize)
       return;
 
-    let bodyClasses = this._frame.contentDocument.body.classList;
+    let bodyClasses = document.body.classList;
 
     if (this._fontSize > 0)
       bodyClasses.remove("font-size" + this._fontSize);
@@ -273,16 +265,12 @@ let AboutReader = {
       return;
 
     let bodyClasses = document.body.classList;
-    let frameClasses = this._frame.contentDocument.body.classList;
 
-    if (this._colorScheme) {
+    if (this._colorScheme)
       bodyClasses.remove(this._colorScheme);
-      frameClasses.remove(this._colorScheme);
-    }
 
     this._colorScheme = newColorScheme;
     bodyClasses.add(this._colorScheme);
-    frameClasses.add(this._colorScheme);
 
     Services.prefs.setCharPref("reader.color_scheme", this._colorScheme);
   },
@@ -420,7 +408,7 @@ let AboutReader = {
 
     this._creditsElement.innerHTML = article.byline;
 
-    this._frame.contentDocument.getElementById("reader-title").innerHTML = article.title;
+    this._titleElement.innerHTML = article.title;
     document.title = article.title;
 
     this._headerElement.style.display = "block";
diff --git a/mobile/android/chrome/content/aboutReaderContent.html b/mobile/android/chrome/content/aboutReaderContent.html
deleted file mode 100644
index b21e2e4d942b..000000000000
--- a/mobile/android/chrome/content/aboutReaderContent.html
+++ /dev/null
@@ -1,18 +0,0 @@
-<!doctype html>
-<html>
-<head>
-  <!-- make links load outside of frame -->
-  <base target="_parent" />
-
-  <link rel="stylesheet" href="chrome://browser/skin/aboutReaderContent.css" type="text/css"/>
-</head>
-<body>
-  <div id="reader-header" class="header">
-    <div id="reader-domain" class="domain"></div>
-    <h1 id="reader-title"></h1>
-    <div id="reader-credits" class="credits"></div>
-  </div>
-  <div id="reader-content" class="content"></div>
-</body>
-</html>
-
diff --git a/mobile/android/chrome/jar.mn b/mobile/android/chrome/jar.mn
index 16e8cebf7eed..92a4baaf58a5 100644
--- a/mobile/android/chrome/jar.mn
+++ b/mobile/android/chrome/jar.mn
@@ -5,7 +5,7 @@
 
 
 chrome.jar:
-% content browser %content/ contentaccessible=yes
+% content browser %content/
 
 * content/about.xhtml                  (content/about.xhtml)
   content/config.xhtml                 (content/config.xhtml)
@@ -15,7 +15,6 @@ chrome.jar:
   content/aboutDownloads.xhtml         (content/aboutDownloads.xhtml)
   content/aboutDownloads.js            (content/aboutDownloads.js)
   content/aboutReader.html             (content/aboutReader.html)
-  content/aboutReaderContent.html      (content/aboutReaderContent.html)
   content/aboutReader.js               (content/aboutReader.js)
   content/Readability.js               (content/Readability.js)
   content/JSDOMParser.js               (content/JSDOMParser.js)
diff --git a/mobile/android/components/AboutRedirector.js b/mobile/android/components/AboutRedirector.js
index 1d9ceac8e5dc..265be6a1cbb7 100644
--- a/mobile/android/components/AboutRedirector.js
+++ b/mobile/android/components/AboutRedirector.js
@@ -61,13 +61,7 @@ let modules = {
   },
   reader: {
     uri: "chrome://browser/content/aboutReader.html",
-    privileged: true,
-    hide: true
-  },
-  readercontent: {
-    uri: "chrome://browser/content/aboutReaderContent.html",
-    privileged: false,
-    hide: true
+    privileged: true
   }
 }
 
diff --git a/mobile/android/components/MobileComponents.manifest b/mobile/android/components/MobileComponents.manifest
index 7bed156d4531..0fa2d266f0d7 100644
--- a/mobile/android/components/MobileComponents.manifest
+++ b/mobile/android/components/MobileComponents.manifest
@@ -10,7 +10,6 @@ contract @mozilla.org/network/protocol/about;1?what=home {322ba47e-7047-4f71-aeb
 contract @mozilla.org/network/protocol/about;1?what=apps {322ba47e-7047-4f71-aebf-cb7d69325cd9}
 contract @mozilla.org/network/protocol/about;1?what=downloads {322ba47e-7047-4f71-aebf-cb7d69325cd9}
 contract @mozilla.org/network/protocol/about;1?what=reader {322ba47e-7047-4f71-aebf-cb7d69325cd9}
-contract @mozilla.org/network/protocol/about;1?what=readercontent {322ba47e-7047-4f71-aebf-cb7d69325cd9}
 #ifdef MOZ_SAFE_BROWSING
 contract @mozilla.org/network/protocol/about;1?what=blocked {322ba47e-7047-4f71-aebf-cb7d69325cd9}
 #endif
diff --git a/mobile/android/themes/core/aboutReader.css b/mobile/android/themes/core/aboutReader.css
index 6ae0711d70fe..f5dc68c83760 100644
--- a/mobile/android/themes/core/aboutReader.css
+++ b/mobile/android/themes/core/aboutReader.css
@@ -2,26 +2,336 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-body {
-  font-family: "OpenSansRegular","Droid Sans",sans-serif;
+%filter substitution
+%include defines.inc
+
+@font-face {
+  font-family: 'OpenSansRegular';
+  src: url('chrome://browser/skin/fonts/opensans-regular.ttf') format('truetype');
+  font-weight: normal;
+  font-style: normal;
 }
 
-#frame {
-  border: 0;
-  width: 100%;
+@font-face {
+  font-family: 'OpenSansLight';
+  src: url('chrome://browser/skin/fonts/opensans-light.ttf') format('truetype');
+  font-weight: normal;
+  font-style: normal;
+}
+
+html {
+  -moz-text-size-adjust: none;
+}
+
+body {
+  font-family: "OpenSansRegular","Droid Sans",sans-serif;
+  margin-top: 20px;
+  margin-bottom: 20px;
 }
 
 .light {
   background-color: #ffffff;
+  color: #222222;
 }
 
 .dark {
   background-color: #000000;
+  color: #eeeeee;
+}
+
+.header {
+  text-align: left;
+  display: none;
+}
+
+.header > .domain {
+  margin-top: 10px;
+  padding-bottom: 10px;
+  border-bottom: 2px solid; 
+}
+
+.header > h1 {
+  font-family: "OpenSansLight","Droid Sans",sans-serif;
+  font-weight: normal;
+  line-height: 1.1em;
+  width: 100%;
+  margin: 0px;
+  margin-top: 32px;
+  margin-bottom: 16px;
+  padding: 0px;
+}
+
+.header > .credits {
+  padding: 0px;
+  margin: 0px;
+  margin-bottom: 32px;
+}
+
+.light > .header > .domain {
+  color: #ee7600;
+  border-bottom-color: #d0d0d0; 
+}
+
+.light > .header > h1 {
+  color: #222222;
+}
+
+.light > .header > .credits {
+  color: #898989;
+}
+
+.dark > .header > .domain {
+  color: #ff9400;
+  border-bottom-color: #777777; 
+}
+
+.dark > .header > h1 {
+  color: #eeeeee;
+}
+
+.dark > .header > .credits {
+  color: #aaaaaa;
+}
+
+.font-size1 > .header > h1 {
+  font-size: 23px;
+}
+
+.font-size2 > .header > h1 {
+  font-size: 25px;
+}
+
+.font-size3 > .header > h1 {
+  font-size: 27px;
+}
+
+.font-size4 > .header > h1 {
+  font-size: 29px;
+}
+
+.font-size5 > .header > h1 {
+  font-size: 31px;
+}
+
+.font-size6 > .header > h1 {
+  font-size: 33px;
+}
+
+.font-size7 > .header > h1 {
+  font-size: 35px;
+}
+
+/* This covers caption, domain, and credits
+   texts in the reader UI */
+.font-size1 > .content .wp-caption-text,
+.font-size1 > .content figcaption,
+.font-size1 > .header > .domain,
+.font-size1 > .header > .credits {
+  font-size: 6px;
+}
+
+.font-size2 > .content .wp-caption-text,
+.font-size2 > .content figcaption,
+.font-size2 > .header > .domain,
+.font-size2 > .header > .credits {
+  font-size: 8px;
+}
+
+.font-size3 > .content .wp-caption-text,
+.font-size3 > .content figcaption,
+.font-size3 > .header > .domain,
+.font-size3 > .header > .credits {
+  font-size: 11px;
+}
+
+.font-size4 > .content .wp-caption-text,
+.font-size4 > .content figcaption,
+.font-size4 > .header > .domain,
+.font-size4 > .header > .credits {
+  font-size: 13px;
+}
+
+.font-size5 > .content .wp-caption-text,
+.font-size5 > .content figcaption,
+.font-size5 > .header > .domain,
+.font-size5 > .header > .credits {
+  font-size: 15px;
+}
+
+.font-size6 > .content .wp-caption-text,
+.font-size6 > .content figcaption,
+.font-size6 > .header > .domain,
+.font-size6 > .header > .credits {
+  font-size: 17px;
+}
+
+.font-size7 > .content .wp-caption-text,
+.font-size7 > .content figcaption,
+.font-size7 > .header > .domain,
+.font-size7 > .header > .credits {
+  font-size: 19px;
+}
+
+.content {
+  display: none;
+}
+
+.content a {
+  text-decoration: underline !important;
+  font-weight: normal;
+}
+
+.light > .content a,
+.light > .content a:visited,
+.light > .content a:hover,
+.light > .content a:active {
+  color: #ee6700 !important;
+}
+
+.dark > .content a,
+.dark > .content a:visited,
+.dark > .content a:hover,
+.dark > .content a:active {
+  color: #ff9400 !important;
+}
+
+.content * {
+  max-width: 100% !important;
+  height: auto !important;
+}
+
+.content p {
+  line-height: 1.4em !important;
+  margin: 0px !important;
+  margin-bottom: 20px !important;
+}
+
+/* Covers all images showing edge-to-edge using a 
+   an optional caption text */
+.content .wp-caption,
+.content figure {
+  display: block !important;
+  width: 100% !important;
+  margin: 0px !important;
+  margin-bottom: 32px !important;
+}
+
+/* Images marked to be shown edge-to-edge with an
+   optional captio ntext */
+.content p > img:only-child,
+.content p > a:only-child > img:only-child,
+.content .wp-caption img,
+.content figure img {
+  max-width: none !important;
+  height: auto !important;
+  display: block !important;
+  margin-top: 0px !important;
+  margin-bottom: 32px !important;
+}
+
+/* If image is place inside one of these blocks
+   there's no need to add margin at the bottom */
+.content .wp-caption img,
+.content figure img {
+  margin-bottom: 0px !important;
+}
+
+/* Image caption text */
+.content .caption,
+.content .wp-caption-text,
+.content figcaption {
+  margin: 0px !important;
+  padding-top: 4px !important;
+}
+
+.light > .content .caption,
+.light > .content .wp-caption-text,
+.light > .content figcaption {
+  color: #898989;
+}
+
+.dark > .content .caption,
+.dark > .content .wp-caption-text,
+.dark > .content figcaption {
+  color: #aaaaaa;
+}
+
+/* Ensure all pre-formatted code inside the reader content
+   are properly wrapped inside content width */
+.content code,
+.content pre {
+  white-space: pre-wrap !important;
+  margin-bottom: 20px !important;
+}
+
+.content blockquote {
+  margin: 0px !important;
+  margin-bottom: 20px !important;
+  padding: 0px !important;
+  padding-left: 16px !important;
+  border: 0px !important;
+  border-left: 2px solid !important;
+}
+
+.light > .content blockquote {
+  color: #898989 !important;
+  border-left-color: #d0d0d0 !important;
+}
+
+.dark > .content blockquote {
+  color: #aaaaaa !important;
+  border-left-color: #777777 !important;
+}
+
+.content ul,
+.content ol {
+  margin: 0px !important;
+  margin-bottom: 20px !important;
+  padding: 0px !important;
+  line-height: 1.5em;
+}
+
+.content ul {
+  padding-left: 30px !important;
+  list-style: disk !important;
+}
+
+.content ol {
+  padding-left: 35px !important;
+  list-style: decimal !important;
+}
+
+.font-size1 > .content {
+  font-size: 10px !important;
+}
+
+.font-size2 > .content {
+  font-size: 12px !important;
+}
+
+.font-size3 > .content {
+  font-size: 14px !important;
+}
+
+.font-size4 > .content {
+  font-size: 16px !important;
+}
+
+.font-size5 > .content {
+  font-size: 18px !important;
+}
+
+.font-size6 > .content {
+  font-size: 20px !important;
+}
+
+.font-size7 > .content {
+  font-size: 22px !important;
 }
 
 .toolbar {
   font-family: "Droid Sans",helvetica,arial,clean,sans-serif;
-  -moz-transition-property: visibility, opacity;
+  -moz-transition-property: visibility opacity;
   -moz-transition-duration: 0.7s;
   visibility: visible;
   opacity: 1.0;
@@ -36,7 +346,7 @@ body {
 }
 
 .toolbar-hidden {
-  -moz-transition-property: visibility, opacity;
+  -moz-transition-property: visibility opacity;
   -moz-transition-duration: 0.7s;
   visibility: hidden;
   opacity: 0.0;
diff --git a/mobile/android/themes/core/aboutReaderContent.css b/mobile/android/themes/core/aboutReaderContent.css
deleted file mode 100644
index 2b058d05ef80..000000000000
--- a/mobile/android/themes/core/aboutReaderContent.css
+++ /dev/null
@@ -1,309 +0,0 @@
-html {
-  -moz-text-size-adjust: none;
-}
-
-body {
-  font-family: "OpenSansRegular","Droid Sans",sans-serif;
-  margin: 0;
-  padding-top: 20px;
-  padding-bottom: 20px;
-} 
-
-.light {
-  color: #222222;
-}
-
-.dark {
-  color: #eeeeee;
-}
-
-.header {
-  text-align: left;
-  display: none;
-}
-
-.header > .domain {
-  margin-top: 10px;
-  padding-bottom: 10px;
-  border-bottom: 2px solid; 
-}
-
-.header > h1 {
-  font-family: "OpenSansLight","Droid Sans",sans-serif;
-  font-weight: normal;
-  line-height: 1.1em;
-  width: 100%;
-  margin: 0px;
-  margin-top: 32px;
-  margin-bottom: 16px;
-  padding: 0px;
-}
-
-.header > .credits {
-  padding: 0px;
-  margin: 0px;
-  margin-bottom: 32px;
-}
-
-.light > .header > .domain {
-  color: #ee7600;
-  border-bottom-color: #d0d0d0; 
-}
-
-.light > .header > h1 {
-  color: #222222;
-}
-
-.light > .header > .credits {
-  color: #898989;
-}
-
-.dark > .header > .domain {
-  color: #ff9400;
-  border-bottom-color: #777777; 
-}
-
-.dark > .header > h1 {
-  color: #eeeeee;
-}
-
-.dark > .header > .credits {
-  color: #aaaaaa;
-}
-
-.font-size1 > .header > h1 {
-  font-size: 23px;
-}
-
-.font-size2 > .header > h1 {
-  font-size: 25px;
-}
-
-.font-size3 > .header > h1 {
-  font-size: 27px;
-}
-
-.font-size4 > .header > h1 {
-  font-size: 29px;
-}
-
-.font-size5 > .header > h1 {
-  font-size: 31px;
-}
-
-.font-size6 > .header > h1 {
-  font-size: 33px;
-}
-
-.font-size7 > .header > h1 {
-  font-size: 35px;
-}
-
-/* This covers caption, domain, and credits
-   texts in the reader UI */
-.font-size1 > .content .wp-caption-text,
-.font-size1 > .content figcaption,
-.font-size1 > .header > .domain,
-.font-size1 > .header > .credits {
-  font-size: 6px;
-}
-
-.font-size2 > .content .wp-caption-text,
-.font-size2 > .content figcaption,
-.font-size2 > .header > .domain,
-.font-size2 > .header > .credits {
-  font-size: 8px;
-}
-
-.font-size3 > .content .wp-caption-text,
-.font-size3 > .content figcaption,
-.font-size3 > .header > .domain,
-.font-size3 > .header > .credits {
-  font-size: 11px;
-}
-
-.font-size4 > .content .wp-caption-text,
-.font-size4 > .content figcaption,
-.font-size4 > .header > .domain,
-.font-size4 > .header > .credits {
-  font-size: 13px;
-}
-
-.font-size5 > .content .wp-caption-text,
-.font-size5 > .content figcaption,
-.font-size5 > .header > .domain,
-.font-size5 > .header > .credits {
-  font-size: 15px;
-}
-
-.font-size6 > .content .wp-caption-text,
-.font-size6 > .content figcaption,
-.font-size6 > .header > .domain,
-.font-size6 > .header > .credits {
-  font-size: 17px;
-}
-
-.font-size7 > .content .wp-caption-text,
-.font-size7 > .content figcaption,
-.font-size7 > .header > .domain,
-.font-size7 > .header > .credits {
-  font-size: 19px;
-}
-
-.content {
-  display: none;
-}
-
-.content a {
-  text-decoration: underline !important;
-  font-weight: normal;
-}
-
-.light > .content a,
-.light > .content a:visited,
-.light > .content a:hover,
-.light > .content a:active {
-  color: #ee6700 !important;
-}
-
-.dark > .content a,
-.dark > .content a:visited,
-.dark > .content a:hover,
-.dark > .content a:active {
-  color: #ff9400 !important;
-}
-
-.content * {
-  max-width: 100% !important;
-  height: auto !important;
-}
-
-.content p {
-  line-height: 1.4em !important;
-  margin: 0px !important;
-  margin-bottom: 20px !important;
-}
-
-/* Covers all images showing edge-to-edge using a 
-   an optional caption text */
-.content .wp-caption,
-.content figure {
-  display: block !important;
-  width: 100% !important;
-  margin: 0px !important;
-  margin-bottom: 32px !important;
-}
-
-/* Images marked to be shown edge-to-edge with an
-   optional captio ntext */
-.content p > img:only-child,
-.content p > a:only-child > img:only-child,
-.content .wp-caption img,
-.content figure img {
-  max-width: none !important;
-  height: auto !important;
-  display: block !important;
-  margin-top: 0px !important;
-  margin-bottom: 32px !important;
-}
-
-/* If image is place inside one of these blocks
-   there's no need to add margin at the bottom */
-.content .wp-caption img,
-.content figure img {
-  margin-bottom: 0px !important;
-}
-
-/* Image caption text */
-.content .caption,
-.content .wp-caption-text,
-.content figcaption {
-  margin: 0px !important;
-  padding-top: 4px !important;
-}
-
-.light > .content .caption,
-.light > .content .wp-caption-text,
-.light > .content figcaption {
-  color: #898989;
-}
-
-.dark > .content .caption,
-.dark > .content .wp-caption-text,
-.dark > .content figcaption {
-  color: #aaaaaa;
-}
-
-/* Ensure all pre-formatted code inside the reader content
-   are properly wrapped inside content width */
-.content code,
-.content pre {
-  white-space: pre-wrap !important;
-  margin-bottom: 20px !important;
-}
-
-.content blockquote {
-  margin: 0px !important;
-  margin-bottom: 20px !important;
-  padding: 0px !important;
-  padding-left: 16px !important;
-  border: 0px !important;
-  border-left: 2px solid !important;
-}
-
-.light > .content blockquote {
-  color: #898989 !important;
-  border-left-color: #d0d0d0 !important;
-}
-
-.dark > .content blockquote {
-  color: #aaaaaa !important;
-  border-left-color: #777777 !important;
-}
-
-.content ul,
-.content ol {
-  margin: 0px !important;
-  margin-bottom: 20px !important;
-  padding: 0px !important;
-  line-height: 1.5em;
-}
-
-.content ul {
-  padding-left: 30px !important;
-  list-style: disk !important;
-}
-
-.content ol {
-  padding-left: 35px !important;
-  list-style: decimal !important;
-}
-
-.font-size1 > .content {
-  font-size: 10px !important;
-}
-
-.font-size2 > .content {
-  font-size: 12px !important;
-}
-
-.font-size3 > .content {
-  font-size: 14px !important;
-}
-
-.font-size4 > .content {
-  font-size: 16px !important;
-}
-
-.font-size5 > .content {
-  font-size: 18px !important;
-}
-
-.font-size6 > .content {
-  font-size: 20px !important;
-}
-
-.font-size7 > .content {
-  font-size: 22px !important;
-}
-
diff --git a/mobile/android/themes/core/content.css b/mobile/android/themes/core/content.css
index e26b4a00952a..90d58dbd9cae 100644
--- a/mobile/android/themes/core/content.css
+++ b/mobile/android/themes/core/content.css
@@ -8,20 +8,6 @@
 @namespace url("http://www.w3.org/1999/xhtml");
 @namespace xul url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
-@font-face {
-  font-family: 'OpenSansRegular';
-  src: url('chrome://browser/skin/fonts/opensans-regular.ttf') format('truetype');
-  font-weight: normal;
-  font-style: normal;
-}
-
-@font-face {
-  font-family: 'OpenSansLight';
-  src: url('chrome://browser/skin/fonts/opensans-light.ttf') format('truetype');
-  font-weight: normal;
-  font-style: normal;
-}
-
 ::-moz-selection {
   background-color: @color_background_highlight@;
   color: @color_text_highlight@;
diff --git a/mobile/android/themes/core/jar.mn b/mobile/android/themes/core/jar.mn
index 6911f7b2cd74..61ac19a8df62 100644
--- a/mobile/android/themes/core/jar.mn
+++ b/mobile/android/themes/core/jar.mn
@@ -11,8 +11,7 @@ chrome.jar:
   skin/aboutAddons.css                      (aboutAddons.css)
   skin/aboutApps.css                        (aboutApps.css)
 * skin/aboutDownloads.css                   (aboutDownloads.css)
-  skin/aboutReader.css                      (aboutReader.css)
-  skin/aboutReaderContent.css               (aboutReaderContent.css)
+* skin/aboutReader.css                      (aboutReader.css)
 * skin/browser.css                          (browser.css)
 * skin/content.css                          (content.css)
   skin/config.css                           (config.css)
