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
@@ -49,12 +49,7 @@
 	    sort -t. -r -n -k 2,2 |
 	    while read f
 	    do
-		case $f in
-		    *.gz)	zcat -f $f;;
-		    *.bz2)	bzcat -f $f;;
-		    *.xz)	xzcat -f $f;;
-		    *.zst)	zstdcat -f $f;;
-		esac
+		zcat -f $f
 	    done
 	[ -f ${LOG}/auth.log ] && cat $LOG/auth.log
 }
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
@@ -49,12 +49,7 @@
 	    sort -t. -r -n -k 2,2 |
 	    while read f
 	    do
-		case $f in
-		    *.gz)	zcat -f $f;;
-		    *.bz2)	bzcat -f $f;;
-		    *.xz)	xzcat -f $f;;
-		    *.zst)	zstdcat -f $f;;
-		esac
+		zcat -f $f
 	    done
 	[ -f ${LOG}/messages ] && cat $LOG/messages
 }