--- a/testing/mochitest/runtests.py
+++ b/testing/mochitest/runtests.py
@@ -2214,17 +2214,16 @@ toolbar#nav-bar {
             # known regressions exist. At least this way we can prevent further damage while
             # they get fixed.
 
             info = mozinfo.info
             skip_leak_conditions = [
                 (info['debug'] and options.flavor == 'plain' and d.startswith('toolkit/components/extensions/test/mochitest') and info['os'] == 'mac', 'bug 1326456'),  # noqa
                 (info['debug'] and options.flavor == 'plain' and d == 'dom/tests/mochitest/gamepad' and info['os'] == 'win', 'bug 1324592'),  # noqa
                 (info['debug'] and options.flavor == 'plain' and d == 'toolkit/components/prompts/test' and info['os'] == 'mac', 'bug 1325275'),  # noqa
-                (info['debug'] and options.flavor == 'plain' and d == 'tests/dom/xhr/tests', 'bug 1325438'),  # noqa
             ]
 
             self.disable_leak_checking = False
 
             # END LEAKCHECK HACK
 
             tests_in_dir = [t for t in testsToRun if os.path.dirname(t) == d]