diff --git a/web/plugins/metrics/cisco_flash.py b/web/plugins/metrics/cisco_flash.py
deleted file mode 100644
index 2c1805f8187b20fd2905b6aacc174a31db2745a3..0000000000000000000000000000000000000000
--- a/web/plugins/metrics/cisco_flash.py
+++ /dev/null
@@ -1,86 +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  : 2019-10-28
-#
-# Cisco flash metrics plugin
-#
-# change log
-# 2019-10-28: initial release
-# 2021-07-31: rewritten for CMK 2.0
-#
-
-from cmk.gui.i18n import _
-
-from cmk.gui.plugins.metrics import (
-    metric_info,
-    graph_info,
-    perfometer_info
-
-)
-
-metric_info['cisco_flash_partusedspace'] = {
-    'title': _('Sapce used'),
-    'unit': 'bytes',
-    'color': '36/a',
-}
-
-metric_info['cisco_flash_percent_used'] = {
-    'title': _('Percent used'),
-    'unit': '%',
-    'color': '26/a',
-}
-
-metric_info['cisco_flash_partfilecount'] = {
-    'title': _('# of files'),
-    'unit': 'count',
-    'color': '21/a',
-}
-
-graph_info['cisco_flash_space_used'] = {
-    'title': _('Space used'),
-    'metrics': [
-        ('cisco_flash_partusedspace', 'area'),
-    ],
-    'scalars': [
-        ('cisco_flash_partusedspace:crit', _('crit')),
-        ('cisco_flash_partusedspace:warn', _('warn')),
-    ],
-    "range": (0, "cisco_flash_partusedspace:max"),
-}
-
-graph_info['cisco_flash_percent_used'] = {
-    'title': _('Percent used'),
-    'metrics': [
-        ('cisco_flash_percent_used', 'area'),
-    ],
-    'scalars': [
-        ('cisco_flash_percent_used:crit', _('crit')),
-        ('cisco_flash_percent_used:warn', _('warn')),
-    ],
-    "range": (0, 100),
-}
-
-graph_info['cisco_flash_files_on_partition'] = {
-    'title': _('# of files on partition'),
-    'metrics': [
-        ('cisco_flash_partfilecount', 'area'),
-    ],
-}
-
-perfometer_info.append(('stacked', [
-    {
-        'type': 'linear',
-        'segments': ['cisco_flash_percent_used'],
-        'total': 100,
-    },
-    {
-        'type': 'linear',
-        'segments': ['cisco_flash_partfilecount'],
-        'total': 100000,
-    }
-]))