--- a/js/xpconnect/tests/chrome/chrome.ini
+++ b/js/xpconnect/tests/chrome/chrome.ini
@@ -95,15 +95,12 @@ skip-if = buildapp == 'mulet'
 [test_sandboxImport.xul]
 [test_scriptSettings.xul]
 skip-if = buildapp == 'mulet'
 [test_weakmap_keys_preserved.xul]
 [test_weakmap_keys_preserved2.xul]
 [test_weakref.xul]
 [test_wrappers.xul]
 [test_weakmaps.xul]
-skip-if = os == "win" # Bug 820471
 [test_wrappers-2.xul]
 # Disabled until this test gets updated to test the new proxy based wrappers.
 skip-if = true
 [test_watchpoints.xul]
-# Disabled due to apparent conservative stack scanner false positives on Linux64 debug.
-skip-if = true