diff --git a/global-functions b/global-functions
index f529511..c66f39f 100644
--- a/global-functions
+++ b/global-functions
@@ -13,9 +13,6 @@
 # global variables not to be changed by user
 :global GlobalFunctionsReady false;
 :global Identity [ / system identity get name ];
-:global SentConfigChangesNotification "-";
-:global SentLteFirmwareUpgradeNotification "-";
-:global SentRouterosUpdateNotification "-";
 
 # global functions
 :global CertificateAvailable;