diff --git a/cns/cns.sh b/cns/cns.sh
index 3bd7fbc..512ecf6 100644
--- a/cns/cns.sh
+++ b/cns/cns.sh
@@ -6,11 +6,14 @@
 #Stop cns & delete cns files.
 Delete() {
 	systemctl disable cns.service
-	rm -f /etc/init.d/Acns /lib/systemd/system/cns.service
+	chkconfig --del cns
+	/etc/init.d/Acns disable
+
 	if [ -f "${cns_install_dir:=/usr/local/cns}/cns.init" ]; then
 		"$cns_install_dir"/cns.init stop
 		rm -rf "$cns_install_dir"
 	fi
+	rm -f /etc/init.d/Acns /lib/systemd/system/cns.service /etc/rc.d/rc5.d/S99cns /etc/rc.d/S99cns /etc/rc5.d/S99cns
 }
 
 #Print error message and exit.