diff --git a/usr.sbin/periodic/etc/security/100.chksetuid b/usr.sbin/periodic/etc/security/100.chksetuid
--- a/usr.sbin/periodic/etc/security/100.chksetuid
+++ b/usr.sbin/periodic/etc/security/100.chksetuid
@@ -36,8 +36,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_chksetuid_enable
-
 rc=0
 
 if check_yesno_period security_status_chksetuid_enable
diff --git a/usr.sbin/periodic/etc/security/110.neggrpperm b/usr.sbin/periodic/etc/security/110.neggrpperm
--- a/usr.sbin/periodic/etc/security/110.neggrpperm
+++ b/usr.sbin/periodic/etc/security/110.neggrpperm
@@ -34,8 +34,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_neggrpperm_enable
-
 rc=0
 
 if check_yesno_period security_status_neggrpperm_enable
diff --git a/usr.sbin/periodic/etc/security/200.chkmounts b/usr.sbin/periodic/etc/security/200.chkmounts
--- a/usr.sbin/periodic/etc/security/200.chkmounts
+++ b/usr.sbin/periodic/etc/security/200.chkmounts
@@ -39,10 +39,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_chkmounts_enable
-security_daily_compat_var security_status_chkmounts_ignore
-security_daily_compat_var security_status_noamd
-
 ignore="${security_status_chkmounts_ignore}"
 rc=0
 
diff --git a/usr.sbin/periodic/etc/security/300.chkuid0 b/usr.sbin/periodic/etc/security/300.chkuid0
--- a/usr.sbin/periodic/etc/security/300.chkuid0
+++ b/usr.sbin/periodic/etc/security/300.chkuid0
@@ -35,8 +35,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_chkuid0_enable
-
 rc=0
 
 if check_yesno_period security_status_chkuid0_enable
diff --git a/usr.sbin/periodic/etc/security/400.passwdless b/usr.sbin/periodic/etc/security/400.passwdless
--- a/usr.sbin/periodic/etc/security/400.passwdless
+++ b/usr.sbin/periodic/etc/security/400.passwdless
@@ -34,8 +34,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_passwdless_enable
-
 rc=0
 
 if check_yesno_period security_status_passwdless_enable
diff --git a/usr.sbin/periodic/etc/security/410.logincheck b/usr.sbin/periodic/etc/security/410.logincheck
--- a/usr.sbin/periodic/etc/security/410.logincheck
+++ b/usr.sbin/periodic/etc/security/410.logincheck
@@ -34,8 +34,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_logincheck_enable
-
 rc=0
 
 if check_yesno_period security_status_logincheck_enable
diff --git a/usr.sbin/periodic/etc/security/500.ipfwdenied b/usr.sbin/periodic/etc/security/500.ipfwdenied
--- a/usr.sbin/periodic/etc/security/500.ipfwdenied
+++ b/usr.sbin/periodic/etc/security/500.ipfwdenied
@@ -36,8 +36,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_ipfwdenied_enable
-
 rc=0
 
 if check_yesno_period security_status_ipfwdenied_enable
diff --git a/usr.sbin/periodic/etc/security/510.ipfdenied b/usr.sbin/periodic/etc/security/510.ipfdenied
--- a/usr.sbin/periodic/etc/security/510.ipfdenied
+++ b/usr.sbin/periodic/etc/security/510.ipfdenied
@@ -36,8 +36,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_ipfdenied_enable
-
 rc=0
 
 if check_yesno_period security_status_ipfdenied_enable
diff --git a/usr.sbin/periodic/etc/security/520.pfdenied b/usr.sbin/periodic/etc/security/520.pfdenied
--- a/usr.sbin/periodic/etc/security/520.pfdenied
+++ b/usr.sbin/periodic/etc/security/520.pfdenied
@@ -36,8 +36,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_pfdenied_enable
-
 rc=0
 
 if check_yesno_period security_status_pfdenied_enable
diff --git a/usr.sbin/periodic/etc/security/550.ipfwlimit b/usr.sbin/periodic/etc/security/550.ipfwlimit
--- a/usr.sbin/periodic/etc/security/550.ipfwlimit
+++ b/usr.sbin/periodic/etc/security/550.ipfwlimit
@@ -37,8 +37,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_ipfwlimit_enable
-
 rc=0
 
 if check_yesno_period security_status_ipfwlimit_enable
diff --git a/usr.sbin/periodic/etc/security/610.ipf6denied b/usr.sbin/periodic/etc/security/610.ipf6denied
--- a/usr.sbin/periodic/etc/security/610.ipf6denied
+++ b/usr.sbin/periodic/etc/security/610.ipf6denied
@@ -36,8 +36,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_ipf6denied_enable
-
 rc=0
 
 if check_yesno_period security_status_ipf6denied_enable
diff --git a/usr.sbin/periodic/etc/security/700.kernelmsg b/usr.sbin/periodic/etc/security/700.kernelmsg
--- a/usr.sbin/periodic/etc/security/700.kernelmsg
+++ b/usr.sbin/periodic/etc/security/700.kernelmsg
@@ -39,8 +39,6 @@
 
 . /etc/periodic/security/security.functions
 
-security_daily_compat_var security_status_kernelmsg_enable
-
 rc=0
 
 if check_yesno_period security_status_kernelmsg_enable
diff --git a/usr.sbin/periodic/etc/security/800.loginfail b/usr.sbin/periodic/etc/security/800.loginfail
--- a/usr.sbin/periodic/etc/security/800.loginfail
+++ b/usr.sbin/periodic/etc/security/800.loginfail
@@ -37,9 +37,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_logdir
-security_daily_compat_var security_status_loginfail_enable
-
 LOG="${security_status_logdir}"
 
 yesterday=`date -v-1d "+%b %e "`
diff --git a/usr.sbin/periodic/etc/security/900.tcpwrap b/usr.sbin/periodic/etc/security/900.tcpwrap
--- a/usr.sbin/periodic/etc/security/900.tcpwrap
+++ b/usr.sbin/periodic/etc/security/900.tcpwrap
@@ -37,9 +37,6 @@
     source_periodic_confs
 fi
 
-security_daily_compat_var security_status_logdir
-security_daily_compat_var security_status_tcpwrap_enable
-
 LOG="${security_status_logdir}"
 
 yesterday=`date -v-1d "+%b %e "`
diff --git a/usr.sbin/periodic/etc/security/security.functions b/usr.sbin/periodic/etc/security/security.functions
--- a/usr.sbin/periodic/etc/security/security.functions
+++ b/usr.sbin/periodic/etc/security/security.functions
@@ -31,9 +31,6 @@
 */security.functions) exit 0 ;;
 esac
 
-security_daily_compat_var security_status_logdir
-security_daily_compat_var security_status_diff_flags
-
 #
 # Show differences in the output of an audit command
 #
diff --git a/usr.sbin/periodic/periodic.conf b/usr.sbin/periodic/periodic.conf
--- a/usr.sbin/periodic/periodic.conf
+++ b/usr.sbin/periodic/periodic.conf
@@ -345,28 +345,6 @@
 		fi
 	}
 
-	# Compatibility with old daily variable names.
-	# They can be removed in stable/11.
-	security_daily_compat_var() {
-		local var=$1 dailyvar value
-
-		dailyvar=daily_status_security${var#security_status}
-		periodvar=${var%enable}period
-		eval value=\"\$$dailyvar\"
-		[ -z "$value" ] && return
-		echo "Warning: Variable \$$dailyvar is deprecated," \
-		    "use \$$var instead." >&2
-		case "$value" in
-		[Yy][Ee][Ss])
-			eval $var=YES
-			eval $periodvar=daily
-			;;
-		*)
-			eval $var=\"$value\"
-			;;
-		esac
-	}
-
 	check_yesno_period() {
 		local var="$1" periodvar value period