diff --git a/etc/chrony/sources.d/dna-moi.sources b/etc/chrony/sources.d/dna-moi.sources
index ecf00103..db4a8079 100644
--- a/etc/chrony/sources.d/dna-moi.sources
+++ b/etc/chrony/sources.d/dna-moi.sources
@@ -1,2 +1,2 @@
 # DNA & Moi NTP server, no idea on smearing, I hope not
-pool ntp.dnainternet.fi maxsources 3 iburst prefer
+pool ntp.dnainternet.fi maxsources 3 iburst xleave prefer
diff --git a/etc/chrony/sources.d/elisa.sources b/etc/chrony/sources.d/elisa.sources
index 1edc90bd..b1caaf9d 100644
--- a/etc/chrony/sources.d/elisa.sources
+++ b/etc/chrony/sources.d/elisa.sources
@@ -1,4 +1,4 @@
 # Elisa NTP servers, no idea on smearing, I hope not
-server ntp1.kolumbus.fi iburst prefer
-server ntp2.kolumbus.fi iburst prefer
-server ntp.saunalahti.fi iburst prefer
+server ntp1.kolumbus.fi iburst xleave prefer
+server ntp2.kolumbus.fi iburst xleave prefer
+server ntp.saunalahti.fi iburst xleave prefer
diff --git a/etc/chrony/sources.d/finland.sources b/etc/chrony/sources.d/finland.sources
index 7ae0a436..9c4b049a 100644
--- a/etc/chrony/sources.d/finland.sources
+++ b/etc/chrony/sources.d/finland.sources
@@ -1,8 +1,8 @@
 # Public official Finnish time server
 # https://www.vttresearch.com/en/ourservices/time-finland-ntp-network-time-service
-server time.mikes.fi iburst
-server time2.mikes.fi iburst
-server time3.mikes.fi iburst
+server time.mikes.fi iburst xleave
+server time2.mikes.fi iburst xleave
+server time3.mikes.fi iburst xleave
 
 # Chrony according to https://monitor.mikes.fi/ntp/ thus known to support
 # xleave
diff --git a/etc/chrony/sources.d/hetzner.sources b/etc/chrony/sources.d/hetzner.sources
index fe549769..a486bcd5 100644
--- a/etc/chrony/sources.d/hetzner.sources
+++ b/etc/chrony/sources.d/hetzner.sources
@@ -1,4 +1,4 @@
 # Hetzner.de NTP servers
-server ntp1.hetzner.de iburst prefer
-server ntp2.hetzner.com iburst prefer
-server ntp3.hetzner.net iburst prefer
+server ntp1.hetzner.de iburst xleave prefer
+server ntp2.hetzner.com iburst xleave prefer
+server ntp3.hetzner.net iburst xleave prefer
diff --git a/etc/chrony/sources.d/nts-servers.sources b/etc/chrony/sources.d/nts-servers.sources
index 6f98704c..d5f2c39b 100644
--- a/etc/chrony/sources.d/nts-servers.sources
+++ b/etc/chrony/sources.d/nts-servers.sources
@@ -14,31 +14,31 @@
 # NOTE: NTS support requires Chrony 4.0 or newer!
 
 # Cloudflare NTS, anycast, works probably anywhere. No leap second smearing.
-pool time.cloudflare.com maxsources 2 iburst nts prefer
+pool time.cloudflare.com maxsources 2 iburst nts xleave prefer
 
 # Finland, https://ntp.miuku.net
-server ntp.miuku.net iburst nts
+server ntp.miuku.net iburst nts xleave
 
 # https://system76.com/time
-#server virginia.time.system76.com iburst nts
-#server ohio.time.system76.com iburst nts
-#server oregon.time.system76.com iburst nts
-#server paris.time.system76.com iburst nts
-#server brazil.time.system76.com iburst nts
+#server virginia.time.system76.com iburst nts xleave
+#server ohio.time.system76.com iburst nts xleave
+#server oregon.time.system76.com iburst nts xleave
+#server paris.time.system76.com iburst nts xleave
+#server brazil.time.system76.com iburst nts xleave
 
 # Swedish anycast https://www.netnod.se/time-and-frequency/how-to-use-nts
-#server nts.netnod.se iburst nts
+#server nts.netnod.se iburst nts xleave
 
 # https://nts.time.nl/ - regardless of name provides 1 v4 & v6 address
 # no pool directive. Also no leap second smearing.
-#server ntppool1.time.nl iburst nts
-#server ntppool2.time.nl iburst nts
+#server ntppool1.time.nl iburst nts xleave
+#server ntppool2.time.nl iburst nts xleave
 
 # Germany https://www.ptb.de/cms/en/ptb/fachabteilungen/abtq/gruppe-q4/ref-q42/time-synchronization-of-computers-using-the-network-time-protocol-ntp.html
-#server ptbtime1.ptb.de iburst nts
-#server ptbtime2.ptb.de iburst nts
-#server ptbtime3.ptb.de iburst nts
+#server ptbtime1.ptb.de iburst nts xleave
+#server ptbtime2.ptb.de iburst nts xleave
+#server ptbtime3.ptb.de iburst nts xleave
 
 # Germany
-#server www.jabber-germany.de iburst nts
-#server www.masters-of-cloud.de iburst nts
+#server www.jabber-germany.de iburst nts xleave
+#server www.masters-of-cloud.de iburst nts xleave
diff --git a/etc/chrony/sources.d/telia.sources b/etc/chrony/sources.d/telia.sources
index bf45a1ca..b11f5806 100644
--- a/etc/chrony/sources.d/telia.sources
+++ b/etc/chrony/sources.d/telia.sources
@@ -1,2 +1,2 @@
 # Telia NTP servers, no idea on smearing, I hope not
-pool ntp.inet.fi iburst maxsources 3 prefer
+pool ntp.inet.fi iburst maxsources 3 xleave prefer