diff --git a/web/plugins/wato/inv_cisco_flash.py b/web/plugins/wato/inv_cisco_flash.py
deleted file mode 100644
index fbb73ba2377c6f8784b6ed11f1751633de3b85d4..0000000000000000000000000000000000000000
--- a/web/plugins/wato/inv_cisco_flash.py
+++ /dev/null
@@ -1,130 +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.wato import (
-    HostRulespec,
-    rulespec_registry,
-)
-from cmk.gui.valuespec import (
-    Dictionary,
-    FixedValue,
-    ListChoice,
-)
-
-from cmk.gui.plugins.wato.inventory import (
-    RulespecGroupInventory,
-)
-
-_inv_cisco_flash_cflDeviceRemovecolumns = [
-    ('minpartitionsize', 'min. partition size (MB)'),
-    ('maxprtitions', 'max. partitions'),
-    ('chipcount', 'Chip count'),
-    ('controller', 'Controller'),
-    ('programmingjumper', 'Programming jumper'),
-    ('inittime', 'Init time'),
-    ('removable', 'Removable'),
-    ('physentindex', 'Phys entity index'),
-    ('nameextended', 'Name extended'),
-]
-
-_inv_cisco_flash_cflPartitionRemovecolumns = [
-    ('startchip', 'Start chip'),
-    ('endchip', 'End chip'),
-    ('crcsumalgo', 'Checksumm algorithm'),
-    ('status', 'Status'),
-    ('upgrademethod', 'Upgrade method'),
-    ('neederasure', 'Need erasure'),
-    ('filenamelength', 'File name length'),
-    ('lowspacenotifythreshold', 'Low space notify threshold (%)'),
-]
-
-_inv_cisco_flash_cflChipRemovecolumns = [
-    ('code', 'Code'),
-    ('writeretries', 'Write retries'),
-    ('eraseretries', 'Erase retries'),
-    ('maxwriteretries', 'max. write retries'),
-    ('maxeraseretries', 'max. erasure retries'),
-]
-
-
-def _valuespec_inv_cisco_flash():
-    return Dictionary(
-        title=_('Cisco flash inventory'),
-        elements=[
-            ('cflDeviceDisable',
-             FixedValue(
-                 True,
-                 title=_('disable Flash device inventory'),
-             )),
-            ('cflPartitionDisable',
-             FixedValue(
-                 True,
-                 title=_('disable Flash partition inventory'),
-             )),
-            ('cflChipDisable',
-             FixedValue(
-                 True,
-                 title=_('disable Flash chips inventory'),
-             )),
-            ('cflDeviceRemovecolumns',
-             ListChoice(
-                 title=_('list of columns to remove from flash devices'),
-                 help=_('information to remove from inventory'),
-                 choices=_inv_cisco_flash_cflDeviceRemovecolumns,
-                 default_value=[
-                     'chipcount',
-                     'controller',
-                     'programmingjumper',
-                     'inittime',
-                     'physentindex',
-                     'nameextended',
-                 ],
-             )),
-            ('cflPartitionRemovecolumns',
-             ListChoice(
-                 title=_('list of columns to remove from flash partitions'),
-                 help=_('information to remove from inventory'),
-                 choices=_inv_cisco_flash_cflPartitionRemovecolumns,
-                 default_value=[
-                     'startchip',
-                     'endchip',
-                 ],
-             )),
-            ('cflChipRemovecolumns',
-             ListChoice(
-                 title=_('list of columns to remove from flash chips'),
-                 help=_('information to remove from inventory'),
-                 choices=_inv_cisco_flash_cflChipRemovecolumns,
-                 default_value=[
-                     'code',
-                     'writeretries',
-                     'eraseretries',
-                     'maxwriteretries',
-                     'maxeraseretries'
-                 ],
-             )),
-        ],
-    )
-
-
-rulespec_registry.register(
-    HostRulespec(
-        group=RulespecGroupInventory,
-        match_type='dict',
-        name='inv_parameters:inv_cisco_flash',
-        valuespec=_valuespec_inv_cisco_flash,
-    ))