diff --git a/docshell/base/nsAboutRedirector.cpp b/docshell/base/nsAboutRedirector.cpp
index 16888323d7..b96450a247 100644
--- a/docshell/base/nsAboutRedirector.cpp
+++ b/docshell/base/nsAboutRedirector.cpp
@@ -90,9 +90,6 @@ static const RedirEntry kRedirMap[] = {
     {"addons", "chrome://mozapps/content/extensions/aboutaddons.html",
      nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI},
 #endif
-    {"buildconfig", "chrome://global/content/buildconfig.html",
-     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-         nsIAboutModule::IS_SECURE_CHROME_UI},
     {"checkerboard", "chrome://global/content/aboutCheckerboard.html",
      nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
          nsIAboutModule::ALLOW_SCRIPT},
diff --git a/toolkit/content/jar.mn b/toolkit/content/jar.mn
index eb6c179b60..57568668b1 100644
--- a/toolkit/content/jar.mn
+++ b/toolkit/content/jar.mn
@@ -40,7 +40,6 @@ toolkit.jar:
    content/global/aboutUrlClassifier.js
    content/global/aboutUrlClassifier.xhtml
    content/global/aboutUrlClassifier.css
-*   content/global/buildconfig.html
    content/global/buildconfig.css
    content/global/contentAreaUtils.js
    content/global/datepicker.xhtml