--- a/dom/xul/templates/tests/chrome/chrome.ini
+++ b/dom/xul/templates/tests/chrome/chrome.ini
@@ -1,10 +1,10 @@
 [DEFAULT]
-skip-if = (buildapp == 'b2g' || buildapp == 'mulet' || os == 'android')
+skip-if = os == 'android'
 support-files =
   animals.rdf
   animals.sqlite
   animals.xml
   bug441785-1.rdf
   bug441785-2.rdf
   templates_shared.js
 

--- a/dom/xul/test/chrome.ini
+++ b/dom/xul/test/chrome.ini
@@ -1,10 +1,9 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g'
 support-files =
   398289-resource.xul
   bug497875-iframe.xul
   file_bug236853.rdf
   overlay1_bug335375.xul
   overlay2_bug335375.xul
   window_bug583948.xul
   window_bug757137.xul

--- a/dom/xul/test/mochitest.ini
+++ b/dom/xul/test/mochitest.ini
@@ -1,6 +1,5 @@
 [DEFAULT]
-skip-if = buildapp == 'mulet' || buildapp == 'b2g' #tests that use xul
 
 [test_bug486990.xul]
 skip-if = toolkit == 'android' #TIMED_OUT
 [test_bug749367.xul]