diff --git a/common/modules/buffer.jsm b/common/modules/buffer.jsm
index e4eabbe5..e9b823b0 100644
--- a/common/modules/buffer.jsm
+++ b/common/modules/buffer.jsm
@@ -12,6 +12,7 @@ defineModule("buffer", {
 });
 
 lazyRequire("bookmarkcache", ["bookmarkcache"]);
+lazyRequire("io", ["io"]);
 lazyRequire("finder", ["RangeFind"]);
 lazyRequire("overlay", ["overlay"]);
 lazyRequire("storage", ["storage"]);
diff --git a/common/modules/dom.jsm b/common/modules/dom.jsm
index 490d5dbc..5d3bb29e 100644
--- a/common/modules/dom.jsm
+++ b/common/modules/dom.jsm
@@ -10,6 +10,7 @@ defineModule("dom", {
 });
 
 lazyRequire("highlight", ["highlight"]);
+lazyRequire("template", ["template"]);
 
 var XBL = Namespace("xbl", "http://www.mozilla.org/xbl");
 var XHTML = Namespace("html", "http://www.w3.org/1999/xhtml");