--- pdns-4.5.0/pdns/common_startup.cc.orig	2021-06-06 17:05:27.000000000 +0200
+++ pdns-4.5.0/pdns/common_startup.cc	2021-07-24 20:52:46.332575172 +0200
@@ -227,7 +227,7 @@ void declareArguments()
   ::arg().set("default-publish-cds","Default value for PUBLISH-CDS")="";
 
   ::arg().set("include-dir","Include *.conf files from this directory");
-  ::arg().set("security-poll-suffix", "Zone name from which to query security update notifications") = "secpoll.powerdns.com.";
+  ::arg().set("security-poll-suffix", "Zone name from which to query security update notifications") = "";
 
   ::arg().setSwitch("expand-alias", "Expand ALIAS records")="no";
   ::arg().setSwitch("outgoing-axfr-expand-alias", "Expand ALIAS records during outgoing AXFR")="no";