diff --git a/etc/ntp.conf b/etc/ntp.conf
index 977295ecd512..48194eb98998 100644
--- a/etc/ntp.conf
+++ b/etc/ntp.conf
@@ -62,15 +62,13 @@ pool 0.freebsd.pool.ntp.org iburst
 # See http://support.ntp.org/bin/view/Support/AccessRestrictions
 # for more information.
 #
-restrict    default limited kod nomodify notrap noquery nopeer
-restrict -6 default limited kod nomodify notrap noquery nopeer
-restrict    source  limited kod nomodify notrap noquery
+restrict default limited kod nomodify notrap noquery nopeer
+restrict source  limited kod nomodify notrap noquery
 
 #
 # Alternatively, the following rules would block all unauthorized access.
 #
 #restrict default ignore
-#restrict -6 default ignore
 #
 # In this case, all remote NTP time servers also need to be explicitly
 # allowed or they would not be able to exchange time information with
@@ -85,7 +83,7 @@ restrict    source  limited kod nomodify notrap noquery
 #
 # The following settings allow unrestricted access from the localhost
 restrict 127.0.0.1
-restrict -6 ::1
+restrict ::1
 
 #
 # If a server loses sync with all upstream servers, NTP clients