diff --git a/security/manager/ssl/tests/mochitest/Makefile.in b/security/manager/ssl/tests/mochitest/Makefile.in
index e2f2e631dfc..d905bb22fe3 100644
--- a/security/manager/ssl/tests/mochitest/Makefile.in
+++ b/security/manager/ssl/tests/mochitest/Makefile.in
@@ -46,8 +46,8 @@ include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
 
 _CHROME_FILES	= \
-    test_bug413909.html \
 		$(NULL)
+#	test_bug413909.html \ # Leaks the world.
 
 libs:: $(_CHROME_FILES)
 	$(INSTALL) $(foreach f,$^,"$f") $(DEPTH)/_tests/testing/mochitest/chrome/$(relativesrcdir)