--- a/mozilla-tests/production_config.py
+++ b/mozilla-tests/production_config.py
@@ -21,17 +21,17 @@ for i in range(1, 163):
     SLAVES['win7-ix']['t-w732-ix-%03i' % i] = {}
 
 for i in range(1, 171):
     SLAVES['win8']['t-w864-ix-%03i' % i] = {}
 
 for i in range(1, 166):
     SLAVES['snowleopard']['t-snow-r4-%04i' % i] = {}
 
-for i in range(1, 87) + range(88, 101):
+for i in range(1, 14):
     SLAVES['mountainlion']['talos-mtnlion-r5-%03i' % i] = {}
 
 for i in range(1, 29) + range(29, 94):
     SLAVES['yosemite']['t-yosemite-r5-%04i' % i] = {}
 
 for i in range(22, 910):
     SLAVES['panda_android']['panda-%04i' % i] = {
         'http_port': '30%03i' % i,