--- a/mobile/app/mobile.js
+++ b/mobile/app/mobile.js
@@ -441,17 +441,17 @@ pref("app.privacyURL", "https://www.mozi
 pref("app.creditsURL", "http://www.mozilla.com/%LOCALE%/mobile/credits/");
 #if MOZ_UPDATE_CHANNEL == beta
 pref("app.featuresURL", "http://www.mozilla.com/%LOCALE%/mobile/beta/features/");
 pref("app.faqURL", "http://www.mozilla.com/%LOCALE%/mobile/beta/faq/");
 #else
 pref("app.featuresURL", "http://www.mozilla.com/%LOCALE%/mobile/features/");
 pref("app.faqURL", "http://www.mozilla.com/%LOCALE%/mobile/faq/");
 #endif
-pref("app.promo.spark.endDate", "2011-03-01");
+pref("app.promo.spark.endDate", "2011-01-01");
 
 // Name of alternate about: page for certificate errors (when undefined, defaults to about:neterror)
 pref("security.alternate_certificate_error_page", "certerror");
 
 pref("security.warn_viewing_mixed", false); // Warning is disabled.  See Bug 616712.
 
 // Override some named colors to avoid inverse OS themes
 pref("ui.-moz-dialog", "#efebe7");