--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -522,19 +522,16 @@ BrowserGlue.prototype = {
     Feeds.init();
     ContentPrefServiceParent.init();
 
     LoginManagerParent.init();
     ReaderParent.init();
 
     SelfSupportBackend.init();
 
-    // Ensure we keep track of places/pw-mananager undo by init'ing this early.
-    Cu.import("resource:///modules/AutoMigrate.jsm");
-
     if (AppConstants.INSTALL_COMPACT_THEMES) {
       let vendorShortName = gBrandBundle.GetStringFromName("vendorShortName");
 
       LightweightThemeManager.addBuiltInTheme({
         id: "firefox-compact-light@mozilla.org",
         name: gBrowserBundle.GetStringFromName("compactLightTheme.name"),
         description: gBrowserBundle.GetStringFromName("compactLightTheme.description"),
         headerURL: "resource:///chrome/browser/content/browser/defaultthemes/compact.header.png",