diff --git a/web/plugins/metrics/cisco_vpn_tunnel.py b/web/plugins/metrics/cisco_vpn_tunnel.py
deleted file mode 100644
index 59831ccf2d23a9972f18711c93c80525888cca68..0000000000000000000000000000000000000000
--- a/web/plugins/metrics/cisco_vpn_tunnel.py
+++ /dev/null
@@ -1,330 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-#
-# License: GNU General Public License v2
-#
-# Author: thl-cmk[at]outlook[dot]com
-# URL   : https://thl-cmk.hopto.org
-# Date  : 2017-12-29
-#
-# Cisco VPN Tunnel metrics plugin
-#
-
-from cmk.gui.i18n import _
-
-from cmk.gui.plugins.metrics import (
-    metric_info,
-    graph_info,
-    perfometer_info,
-    unit_info,
-)
-
-#####################################################################################################################
-#
-# define metrics for bgp peer perfdata
-#
-#####################################################################################################################
-
-
-metric_info['cisco_vpn_tunnel_cikeTunActiveTime'] = {
-    'title': _('IKE active time'),
-    'help': _(''),
-    'unit': 's',
-    'color': '26/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInOctets'] = {
-    'title': _('IKE Bytes in'),
-    'unit': 'bytes/s',
-    'color': '11/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutOctets'] = {
-    'title': _('IKE Bytes out'),
-    'help': _(''),
-    'unit': 'bytes/s',
-    'color': '21/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInPkts'] = {
-    'title': _('IKE packets in'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '31/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutPkts'] = {
-    'title': _('IKE packets out'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '41/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInDropPkts'] = {
-    'title': _('IKE packets dropped in'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '12/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutDropPkts'] = {
-    'title': _('IKE packets dropped out'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '22/a',
-}
-
-metric_info['cisco_vpn_tunnel_cikeTunInNotifys'] = {
-    'title': _('IKE in notifies'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '32/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutNotifys'] = {
-    'title': _('IKE out notifies'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '42/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInP2Exchgs'] = {
-    'title': _('IKE in phase 2 exchanges'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '13/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutP2Exchgs'] = {
-    'title': _('IKE out phase 2 exchanges'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '23/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInP2ExchgInvalids'] = {
-    'title': _('IKE in phase 2 exchanges invalid'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '33/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutP2ExchgInvalids'] = {
-    'title': _('IKE out phase 2 exchanges invalid'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '43/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInP2ExchgRejects'] = {
-    'title': _('IKE in phase 2 exchanges rejected'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '14/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutP2ExchgRejects'] = {
-    'title': _('IKE out phase 2 exchanges rejected'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '24/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunInP2SaDelRequests'] = {
-    'title': _('IKE in phase 2 SA delete requests'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '34/a',
-}
-metric_info['cisco_vpn_tunnel_cikeTunOutP2SaDelRequests'] = {
-    'title': _('IKE out phase 2 SA delete requests'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '44/a',
-}
-
-# IPSec counter
-
-metric_info['cisco_vpn_tunnel_cipSecTunActiveTime'] = {
-    'title': _('IPSec active time'),
-    'help': _(''),
-    'unit': 's',
-    'color': '26/b',
-}
-
-metric_info['cisco_vpn_tunnel_ipsec_sa_count'] = {
-    'title': _('IPSec SA count'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '12/b',
-}
-
-metric_info['cisco_vpn_tunnel_cipSecTunHcInOctets'] = {
-    'title': _('IPSec Bytes in'),
-    'help': _(''),
-    'unit': 'bytes/s',
-    'color': '11/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunHcOutOctets'] = {
-    'title': _('IPSec Bytes out'),
-    'help': _(''),
-    'unit': 'bytes/s',
-    'color': '21/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInPkts'] = {
-    'title': _('IPSec packets in'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '31/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutPkts'] = {
-    'title': _('IPSec packets out'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '41/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInDropPkts'] = {
-    'title': _('IPSec packets dropped in'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '11/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutDropPkts'] = {
-    'title': _('IPSec packets dropped out'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '21/b',
-}
-
-metric_info['cisco_vpn_tunnel_cipSecTunHcInDecompOctets'] = {
-    'title': _('IPSec in decompressed octets'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '32/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunHcOutUncompOctets'] = {
-    'title': _('IPSec out compressed octets'),
-    'help': _(''),
-    'unit': '1/s',
-    'color': '41/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInAuths'] = {
-    'title': _('IPSec in authentication\'s'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '13/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutAuths'] = {
-    'title': _('IPSec out authentication\'s'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '23/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInAuthFails'] = {
-    'title': _('IPSec in authentication\'s failed'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '33/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutAuthFails'] = {
-    'title': _('IPSec out authentication\'s failed'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '43/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInDecrypts'] = {
-    'title': _('IPSec in decryption\'s'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '15/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutEncrypts'] = {
-    'title': _('IPSec out encryption\'s'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '25/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInDecryptFails'] = {
-    'title': _('IPSec in decryption\'s failed'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '35/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunOutEncryptFails'] = {
-    'title': _('IPSec out encryption\'s failed'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '45/b',
-}
-metric_info['cisco_vpn_tunnel_cipSecTunInReplayDropPkts'] = {
-    'title': _('IPSec in replay packets dropped'),
-    'help': _(''),
-    'unit': 'count',
-    'color': '16/b',
-}
-
-######################################################################################################################
-#
-# how to graph perdata for cisco_vpn_tunnel
-#
-######################################################################################################################
-
-
-graph_info['cisco_vpn_tunnel_ike_uptime'] = {
-    'title': _('IKE active time'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cikeTunActiveTime', 'area'),
-    ],
-}
-graph_info['cisco_vpn_tunnel_ike_octets'] = {
-    'title': _('IKE Bytes/s'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cikeTunOutOctets', '-area'),
-        ('cisco_vpn_tunnel_cikeTunInOctets', 'area'),
-    ],
-}
-graph_info['cisco_vpn_tunnel_ike_packets'] = {
-    'title': _('IKE packets/s'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cikeTunOutDropPkts', '-line'),
-        ('cisco_vpn_tunnel_cikeTunInDropPkts', 'line'),
-        ('cisco_vpn_tunnel_cikeTunOutPkts', '-line'),
-        ('cisco_vpn_tunnel_cikeTunInPkts', 'line'),
-    ],
-}
-
-graph_info['cisco_vpn_tunnel_ipsec_uptime'] = {
-    'title': _('IPSec active time'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cipSecTunActiveTime', 'area'),
-    ],
-}
-graph_info['cisco_vpn_tunnel_ipsec_sa_count'] = {
-    'title': _('IPSec SA count'),
-    'metrics': [
-        ('cisco_vpn_tunnel_ipsec_sa_count', 'area'),
-    ],
-}
-graph_info['cisco_vpn_tunnel_ipsec_octets'] = {
-    'title': _('IPSec Bytes/s'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cipSecTunHcOutOctets', '-area'),
-        ('cisco_vpn_tunnel_cipSecTunHcInOctets', 'area'),
-    ],
-}
-graph_info['cisco_vpn_tunnel_pckets'] = {
-    'title': _('IPSec packets/s'),
-    'metrics': [
-        ('cisco_vpn_tunnel_cipSecTunOutDropPkts', '-stack'),
-        ('cisco_vpn_tunnel_cipSecTunInDropPkts', 'stack'),
-        ('cisco_vpn_tunnel_cipSecTunOutPkts', '-stack'),
-        ('cisco_vpn_tunnel_cipSecTunInPkts', 'stack'),
-    ],
-}
-
-######################################################################################################################
-#
-# define perf-o-meter for cisco_vpn_tunnel uptime active time
-#
-######################################################################################################################
-
-perfometer_info.append(('stacked', [
-    {
-        'type': 'logarithmic',
-        'metric': 'cisco_vpn_tunnel_cikeTunActiveTime',
-        'half_value': 2592000.0,
-        'exponent': 2,
-    },
-    {
-        'type': 'logarithmic',
-        'metric': 'cisco_vpn_tunnel_cipSecTunActiveTime',
-        'half_value': 2592000.0,
-        'exponent': 2,
-    },
-]))