--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -47,7 +47,6 @@
   OS: "resource://gre/modules/osfile.jsm",
   PageActions: "resource:///modules/PageActions.jsm",
   PageThumbs: "resource://gre/modules/PageThumbs.jsm",
-  PdfJs: "resource://pdf.js/PdfJs.jsm",
   PermissionUI: "resource:///modules/PermissionUI.jsm",
   PingCentre: "resource:///modules/PingCentre.jsm",
   PlacesBackups: "resource://gre/modules/PlacesBackups.jsm",
@@ -505,14 +504,6 @@
         this._updateFxaBadges();
         break;
       case "handlersvc-store-initialized":
-        // Initialize PdfJs when running in-process and remote. This only
-        // happens once since PdfJs registers global hooks. If the PdfJs
-        // extension is installed the init method below will be overridden
-        // leaving initialization to the extension.
-        // parent only: configure default prefs, set up pref observers, register
-        // pdf content handler, and initializes parent side message manager
-        // shim for privileged api access.
-        PdfJs.init(true);
         break;
       case "shield-init-complete":
         this._sendMainPingCentrePing();
@@ -866,15 +857,6 @@
 
   // the first browser window has finished initializing
   _onFirstWindowLoaded: function BG__onFirstWindowLoaded(aWindow) {
-    // Set up listeners and, if PdfJs is enabled, register the PDF stream converter.
-    // We delay all of the parent's initialization other than stream converter
-    // registration, because it requires file IO from nsHandlerService-json.js
-    Services.ppmm.loadProcessScript("resource://pdf.js/pdfjschildbootstrap.js", true);
-    if (PdfJs.enabled) {
-      PdfJs.ensureRegistered();
-      Services.ppmm.loadProcessScript("resource://pdf.js/pdfjschildbootstrap-enabled.js", true);
-    }
-
     TabCrashHandler.init();
     if (AppConstants.MOZ_CRASHREPORTER) {
       PluginCrashReporter.init();