diff --git a/browser/components/feeds/src/FeedConverter.js b/browser/components/feeds/src/FeedConverter.js
index ae4694b70f05..d3e7a28dc759 100644
--- a/browser/components/feeds/src/FeedConverter.js
+++ b/browser/components/feeds/src/FeedConverter.js
@@ -285,7 +285,7 @@ FeedConverter.prototype = {
       // getResponseHeader.
       if (!httpChannel.requestSucceeded) {
         // Just give up, but don't forget to cancel the channel first!
-        request.cancel(0x804b0002); // NS_BINDING_ABORTED
+        request.cancel(Cr.NS_BINDING_ABORTED);
         return;
       }
       var noSniff = httpChannel.getResponseHeader("X-Moz-Is-Feed");
diff --git a/netwerk/test/unit/test_event_sink.js b/netwerk/test/unit/test_event_sink.js
index db5774aa94cf..d6aeb5e530ae 100644
--- a/netwerk/test/unit/test_event_sink.js
+++ b/netwerk/test/unit/test_event_sink.js
@@ -12,8 +12,6 @@ const sinkContract = "@mozilla.org/network/unittest/channeleventsink;1";
 
 const categoryName = "net-channel-event-sinks";
 
-const NS_BINDING_ABORTED = 0x804b0002;
-
 /**
  * This object is both a factory and an nsIChannelEventSink implementation (so, it
  * is de-facto a service). It's also an interface requestor that gives out
@@ -39,7 +37,7 @@ var eventsink = {
   asyncOnChannelRedirect: function eventsink_onredir(oldChan, newChan, flags, callback) {
     // veto
     this.called = true;
-    throw NS_BINDING_ABORTED;
+    throw Components.results.NS_BINDING_ABORTED;
   },
 
   getInterface: function eventsink_gi(iid) {
diff --git a/netwerk/test/unit/test_httpcancel.js b/netwerk/test/unit/test_httpcancel.js
index 7c41ca232ac2..053357fa0836 100644
--- a/netwerk/test/unit/test_httpcancel.js
+++ b/netwerk/test/unit/test_httpcancel.js
@@ -8,8 +8,6 @@ const Cr = Components.results;
 
 Cu.import("resource://testing-common/httpd.js");
 
-const NS_BINDING_ABORTED = 0x804b0002;
-
 var observer = {
   QueryInterface: function eventsink_qi(iid) {
     if (iid.equals(Components.interfaces.nsISupports) ||
@@ -20,7 +18,7 @@ var observer = {
 
   observe: function(subject, topic, data) {
     subject = subject.QueryInterface(Components.interfaces.nsIRequest);
-    subject.cancel(NS_BINDING_ABORTED);
+    subject.cancel(Components.results.NS_BINDING_ABORTED);
 
     var obs = Components.classes["@mozilla.org/observer-service;1"].getService();
     obs = obs.QueryInterface(Components.interfaces.nsIObserverService);
@@ -30,7 +28,7 @@ var observer = {
 
 var listener = {
   onStartRequest: function test_onStartR(request, ctx) {
-    do_check_eq(request.status, NS_BINDING_ABORTED);
+    do_check_eq(request.status, Components.results.NS_BINDING_ABORTED);
   },
 
   onDataAvailable: function test_ODA() {
diff --git a/toolkit/mozapps/downloads/nsHelperAppDlg.js b/toolkit/mozapps/downloads/nsHelperAppDlg.js
index 11436fcf89c5..ebee03fccbc6 100644
--- a/toolkit/mozapps/downloads/nsHelperAppDlg.js
+++ b/toolkit/mozapps/downloads/nsHelperAppDlg.js
@@ -162,8 +162,7 @@ nsUnknownContentTypeDialog.prototype = {
     } catch (ex) {
       // The containing window may have gone away.  Break reference
       // cycles and stop doing the download.
-      const NS_BINDING_ABORTED = 0x804b0002;
-      this.mLauncher.cancel(NS_BINDING_ABORTED);
+      this.mLauncher.cancel(Components.results.NS_BINDING_ABORTED);
       return;
     }
 
@@ -916,8 +915,7 @@ nsUnknownContentTypeDialog.prototype = {
 
     // Cancel app launcher.
     try {
-      const NS_BINDING_ABORTED = 0x804b0002;
-      this.mLauncher.cancel(NS_BINDING_ABORTED);
+      this.mLauncher.cancel(Components.results.NS_BINDING_ABORTED);
     } catch(exception) {
     }