diff --git a/dom/tests/mochitest/localstorage/mochitest.ini b/dom/tests/mochitest/localstorage/mochitest.ini
index 8c6b1f63fce0..02fc3b671ef6 100644
--- a/dom/tests/mochitest/localstorage/mochitest.ini
+++ b/dom/tests/mochitest/localstorage/mochitest.ini
@@ -31,7 +31,6 @@ skip-if = verify
 skip-if = e10s
 [test_localStorageBaseSessionOnly.html]
 [test_localStorageCookieSettings.html]
-fail-if = (xorigin && fission) # Setting localStorageItem should not throw a security exception
 [test_localStorageEnablePref.html]
 [test_localStorageKeyOrder.html]
 [test_localStorageOriginsDiff.html]