diff --git a/python/mkmachines.py b/python/mkmachines.py
index 039058f..14f0f19 100644
--- a/python/mkmachines.py
+++ b/python/mkmachines.py
@@ -18,6 +18,10 @@ DISABLED = set((
 	'vulcan',
 	'vulcangold',
 	'vulcaniie',
+	'sider',
+	'xebec'
+	'sider1',
+	'sider2',
 ))