diff --git a/config.js b/config.js
index 2ea077b..40cf58d 100644
--- a/config.js
+++ b/config.js
@@ -189,9 +189,7 @@
              */
             timeSystems: [
                 'scet',
-                'ert',
-                'sclk',
-                'lmst'
+                'ert'
             ],
 
             /**