diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ed4bcb61e..eeb9ff4369 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -427,7 +427,6 @@ if (KF6DocTools_FOUND)
 endif()
 
 add_subdirectory(data)
-add_subdirectory(kconf_update)
 add_subdirectory(src)
 
 if (BUILD_TESTING)
diff --git a/kconf_update/CMakeLists.txt b/kconf_update/CMakeLists.txt
deleted file mode 100644
index a00b78745e..0000000000
--- a/kconf_update/CMakeLists.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-install(FILES kwin.upd
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.16-auto-bordersize.sh
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.18-move-animspeed.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.21-desktop-grid-click-behavior.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.21-no-swap-encourage.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.23-disable-translucency-effect.sh
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.23-remove-flip-switch.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.23-remove-cover-switch.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.23-remove-cubeslide.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.23-remove-xrender-backend.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.27-replace-cascaded-zerocornered.sh
-         DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-
-install(FILES kwinrules.upd
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwinrules-5.19-placement.pl
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwinrules-5.23-virtual-desktop-ids.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
-install(PROGRAMS kwin-5.25-effect-pluginid-config-group.py
-        DESTINATION ${KDE_INSTALL_KCONFUPDATEDIR})
diff --git a/kconf_update/kwin-5.16-auto-bordersize.sh b/kconf_update/kwin-5.16-auto-bordersize.sh
deleted file mode 100644
index 10f305eb0d..0000000000
--- a/kconf_update/kwin-5.16-auto-bordersize.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/sh
-
-HAS_SIZE=''
-HAS_AUTO=''
-
-while read -r line
-do
-  # substring from beginning to equal sign
-  ENTRY="${line%%=*}"
-  if [ "$ENTRY" = "BorderSize" ]; then
-    HAS_SIZE=1
-  fi
-  if [ "$ENTRY" = "BorderSizeAuto" ]; then
-    HAS_AUTO=1
-  fi
-  echo "$line"
-done
-
-if [ -n "$HAS_SIZE" -a -z "$HAS_AUTO" ]; then
-  # unset auto borders if user has set a border
-  # size in the past (for good measure make
-  # also sure auto borders are not yet set)
-  echo "BorderSizeAuto=false"
-fi
diff --git a/kconf_update/kwin-5.18-move-animspeed.py b/kconf_update/kwin-5.18-move-animspeed.py
deleted file mode 100644
index a8dca21018..0000000000
--- a/kconf_update/kwin-5.18-move-animspeed.py
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-speed_map = [0, 0.25, 0.5, 1, 2, 4, 20]
-
-for line in fileinput.input():
-    if not line.startswith("AnimationSpeed="):
-        continue
-    speed = int(line[len("AnimationSpeed="):])
-    if speed < 0 or speed >= len(speed_map):
-        continue
-    print("AnimationDurationFactor=%f" % speed_map[speed])
-    print("# DELETE AnimationSpeed") #special kconf syntax to remove the old key
diff --git a/kconf_update/kwin-5.21-desktop-grid-click-behavior.py b/kconf_update/kwin-5.21-desktop-grid-click-behavior.py
deleted file mode 100644
index 53a23d0451..0000000000
--- a/kconf_update/kwin-5.21-desktop-grid-click-behavior.py
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env python3
-
-import sys
-
-VALUE_MAP = {
-    'true': 0,
-    'false': 1,
-}
-
-if __name__ == '__main__':
-    for line in sys.stdin:
-        line = line.strip()
-        if line.startswith('PresentWindows='):
-            _, value = line.split('=', 1)
-            print("# DELETE PresentWindows")
-            print("ClickBehavior=%d" % VALUE_MAP[value])
diff --git a/kconf_update/kwin-5.21-no-swap-encourage.py b/kconf_update/kwin-5.21-no-swap-encourage.py
deleted file mode 100644
index c40eed8e84..0000000000
--- a/kconf_update/kwin-5.21-no-swap-encourage.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-for line in fileinput.input():
-    if not line.startswith("GLPreferBufferSwap="):
-        continue
-    value = line[len("GLPreferBufferSwap="):].strip()
-    if value != "n":
-        continue
-    print("# DELETE GLPreferBufferSwap") # will use the default swap strategy
diff --git a/kconf_update/kwin-5.23-disable-translucency-effect.sh b/kconf_update/kwin-5.23-disable-translucency-effect.sh
deleted file mode 100644
index 4d040b94bd..0000000000
--- a/kconf_update/kwin-5.23-disable-translucency-effect.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/sh
-
-HAS_ENABLED_KEY=''
-HAS_CUSTOM_CONFIG=''
-
-kwinrcname=`qtpaths --locate-file GenericConfigLocation kwinrc`
-if [ -f "$kwinrcname" ]; then
-    if grep -q "\[Effect-kwin4_effect_translucency\]" "$kwinrcname"; then
-        HAS_CUSTOM_CONFIG=1
-    fi
-fi
-
-while read -r line; do
-    KEY="${line%=*}"
-    if [ "$KEY" = "kwin4_effect_translucencyEnabled" ]; then
-        HAS_ENABLED_KEY=1
-    fi
-    echo "$line"
-done
-
-if [ -n "$HAS_CUSTOM_CONFIG" ] && [ -z "$HAS_ENABLED_KEY" ]; then
-    echo "kwin4_effect_translucencyEnabled=true"
-fi
diff --git a/kconf_update/kwin-5.23-remove-cover-switch.py b/kconf_update/kwin-5.23-remove-cover-switch.py
deleted file mode 100644
index 53e60a7996..0000000000
--- a/kconf_update/kwin-5.23-remove-cover-switch.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-for line in fileinput.input():
-    if not line.startswith("LayoutName="):
-        continue
-    value = line[len("LayoutName="):].strip()
-    if value != "coverswitch":
-        continue
-    print("# DELETE LayoutName") # will use the default layout
diff --git a/kconf_update/kwin-5.23-remove-cubeslide.py b/kconf_update/kwin-5.23-remove-cubeslide.py
deleted file mode 100644
index f3756e396a..0000000000
--- a/kconf_update/kwin-5.23-remove-cubeslide.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-for line in fileinput.input():
-    if not line.startswith("cubeslideEnabled="):
-        continue
-    value = line[len("cubeslideEnabled="):].strip()
-    if value == "true":
-        print("# DELETE cubeslideEnabled")
-        print("# DELETE slideEnabled") # make slide effect enabled, it's off now
diff --git a/kconf_update/kwin-5.23-remove-flip-switch.py b/kconf_update/kwin-5.23-remove-flip-switch.py
deleted file mode 100644
index b2bb30118c..0000000000
--- a/kconf_update/kwin-5.23-remove-flip-switch.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-for line in fileinput.input():
-    if not line.startswith("LayoutName="):
-        continue
-    value = line[len("LayoutName="):].strip()
-    if value != "flipswitch":
-        continue
-    print("# DELETE LayoutName") # will use the default layout
diff --git a/kconf_update/kwin-5.23-remove-xrender-backend.py b/kconf_update/kwin-5.23-remove-xrender-backend.py
deleted file mode 100644
index 3a81292bcc..0000000000
--- a/kconf_update/kwin-5.23-remove-xrender-backend.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-for line in fileinput.input():
-    if not line.startswith("Backend="):
-        continue
-    value = line[len("Backend="):].strip()
-    if value != "XRender":
-        continue
-    print("# DELETE Backend") # will use the default compositing type
diff --git a/kconf_update/kwin-5.25-effect-pluginid-config-group.py b/kconf_update/kwin-5.25-effect-pluginid-config-group.py
deleted file mode 100644
index a711aa0b1c..0000000000
--- a/kconf_update/kwin-5.25-effect-pluginid-config-group.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-
-def migrate_group(old, new, line):
-    if not "[Effect-{}".format(old) in line:
-        return
-    print("# DELETE Effect-{}".format(old))
-    print("[Effect-{}]\n".format(new))
-
-for line in fileinput.input():
-    if not "[Effect-" in line:
-        print(line)
-        continue
-    migrate_group("Blur", "blur", line)
-    migrate_group("DesktopGrid", "desktopgrid", line)
-    migrate_group("DimInactive", "diminactive", line)
-    migrate_group("FallApart", "fallapart", line)
-    migrate_group("Glide", "glide", line)
-    migrate_group("Kscreen", "kscreen", line)
-    migrate_group("LookingGlass", "lookingglass", line)
-    migrate_group("MagicLamp", "magiclamp", line)
-    migrate_group("Magnifier", "magnifier", line)
-    migrate_group("MouseClick", "mouseclick", line)
-    migrate_group("MouseMark", "mousemark", line)
-    migrate_group("Overview", "overview", line)
-    migrate_group("PresentWindows", "presentwindows", line)
-    migrate_group("Sheet", "sheet", line)
-    migrate_group("ShowFps", "showfps", line)
-    migrate_group("Slide", "slide", line)
-    migrate_group("SlidingPopups", "slidingpopups", line)
-    migrate_group("ThumbnailAside", "thumbnailaside", line)
-    migrate_group("TrackMouse", "trackmouse", line)
-    migrate_group("Wobbly", "wobblywindows", line)
-    migrate_group("Zoom", "zoom", line)
diff --git a/kconf_update/kwin-5.27-replace-cascaded-zerocornered.sh b/kconf_update/kwin-5.27-replace-cascaded-zerocornered.sh
deleted file mode 100644
index d5efcde54b..0000000000
--- a/kconf_update/kwin-5.27-replace-cascaded-zerocornered.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-
-# KWin - the KDE window manager
-# This file is part of the KDE project.
-
-# SPDX-FileCopyrightText: 2022 Natalie Clarius <natalie_clarius@yahoo.de>
-
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-while read -r line; do
-    if [ "$line" = "Placement=Cascaded" ]; then
-        echo "Placement=ZeroCornered"
-    else
-        echo "$line"
-    fi
-done
diff --git a/kconf_update/kwin.upd b/kconf_update/kwin.upd
deleted file mode 100644
index 28c3d0410c..0000000000
--- a/kconf_update/kwin.upd
+++ /dev/null
@@ -1,105 +0,0 @@
-Version=5
-
-# Replace old Scale in effect with Scale effect.
-Id=replace-scalein-with-scale
-File=kwinrc
-Group=Plugins
-Key=kwin4_effect_scaleinEnabled,scaleEnabled
-
-# Port the Minimize Animation effect to JavaScript.
-Id=port-minimizeanimation-effect-to-js
-File=kwinrc
-Group=Plugins
-Key=minimizeanimationEnabled,kwin4_effect_squashEnabled
-
-# Port the Scale effect to JavaScript.
-Id=port-scale-effect-to-js
-File=kwinrc
-Group=Effect-Scale,Effect-kwin4_effect_scale
-AllKeys
-Group=Plugins
-Key=scaleEnabled,kwin4_effect_scaleEnabled
-
-# Port the Dim Screen effect to JavaScript.
-Id=port-dimscreen-effect-to-js
-File=kwinrc
-Group=Plugins
-Key=dimscreenEnabled,kwin4_effect_dimscreenEnabled
-
-# Deactivate auto border size if the user has changed border size in the past
-Id=auto-bordersize
-File=kwinrc
-Group=org.kde.kdecoration2
-Script=kwin-5.16-auto-bordersize.sh,sh
-
-# Move AnimationSpeed to kdeglobals as AnimationDurationFactor converting to a useful value
-Id=animation-speed
-File=kwinrc,kdeglobals
-Group=Compositing,KDE
-Script=kwin-5.18-move-animspeed.py,python3
-
-# In the Desktop Grid effect, replace the PresentWindows boolean with an enum
-Id=desktop-grid-click-behavior
-File=kwinrc
-Group=Effect-DesktopGrid
-Script=kwin-5.21-desktop-grid-click-behavior.py,python3
-
-# Remove GLPreferBufferSwap if it has a value of "n"
-Id=no-swap-encourage
-File=kwinrc
-Group=Compositing
-Script=kwin-5.21-no-swap-encourage.py,python3
-
-# Make the Translucency effect disabled by default
-Id=make-translucency-effect-disabled-by-default
-File=kwinrc
-Group=Plugins
-Script=kwin-5.23-disable-translucency-effect.sh,sh
-
-# Remove the Flip Switch effect
-Id=remove-flip-switch-effect
-File=kwinrc
-Group=TabBox,TabBoxAlternative
-Script=kwin-5.23-remove-flip-switch.py,python3
-
-# Remove the Cover Switch effect
-Id=remove-cover-switch-effect
-File=kwinrc
-Group=TabBox,TabBoxAlternative
-Script=kwin-5.23-remove-cover-switch.py,python3
-
-# Remove the Desktop Cube Animation effect
-Id=remove-cubeslide-effect
-File=kwinrc
-Group=Plugins
-Script=kwin-5.23-remove-cubeslide.py,python3
-
-# Remove Backend if it has a value of "XRender"
-Id=remove-xrender-backend
-File=kwinrc
-Group=Compositing
-Script=kwin-5.23-remove-xrender-backend.py,python3
-
-# Enable the Scale effect by default.
-Id=enable-scale-effect-by-default
-File=kwinrc
-Group=Plugins
-Key=kwin4_effect_fadeEnabled,kwin4_effect_scaleEnabled
-
-# Overview config group based upon plugin id
-Id=overview-group-plugin-id
-File=kwinrc
-Options=AllGroups
-Script=kwin-5.25-effect-pluginid-config-group.py,python3
-
-# Tidy up after a bug from the animation speed movement
-Id=animation-speed-cleanup
-File=kwinrc
-Group=KDE
-RemoveKey=AnimationDurationFactor
-
-# Replace the cascaded placement policy by zero-cornered
-Id=replace-cascaded-zerocornered
-File=kwinrc
-Group=Windows
-Script=kwin-5.27-replace-cascaded-zerocornered.sh,sh
diff --git a/kconf_update/kwinrules-5.19-placement.pl b/kconf_update/kwinrules-5.19-placement.pl
deleted file mode 100644
index 85ffd3385c..0000000000
--- a/kconf_update/kwinrules-5.19-placement.pl
+++ /dev/null
@@ -1,22 +0,0 @@
-#! /usr/bin/perl
-
-# Convert strings as in `Placement::policyToString()` from `placement.cpp`
-# to correponding values of enum `Placement::Policy` defined in `placement.h`
-
-use strict;
-
-while (<>)
-{
-    chomp;
-    s/placement=NoPlacement/placement=0/;
-    s/placement=Default/placement=1/;
-    s/placement=Random/placement=3/;
-    s/placement=Smart/placement=4/;
-    s/placement=Cascade/placement=5/;
-    s/placement=Centered/placement=6/;
-    s/placement=ZeroCornered/placement=7/;
-    s/placement=UnderMouse/placement=8/;
-    s/placement=OnMainWindow/placement=9/;
-    s/placement=Maximizing/placement=10/;
-    print "$_\n";
-}
diff --git a/kconf_update/kwinrules-5.23-virtual-desktop-ids.py b/kconf_update/kwinrules-5.23-virtual-desktop-ids.py
deleted file mode 100644
index a0a21ad038..0000000000
--- a/kconf_update/kwinrules-5.23-virtual-desktop-ids.py
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/usr/bin/env python3
-
-import fileinput
-import configparser
-import os.path
-import subprocess
-
-# Get the config standard locations
-config_locations = subprocess.check_output(['qtpaths', '--paths', 'ConfigLocation']).decode('utf-8').strip().split(':')
-config_paths = [os.path.join(folder, 'kwinrc') for folder in config_locations]
-
-# Get the desktops information from `kwinrc` config file
-kwinrc = configparser.ConfigParser(strict=False, allow_no_value=True)
-kwinrc.read(config_paths)
-
-num_desktops = int(kwinrc.get('Desktops', 'Number', fallback=''))
-
-# Generete the map from x11ids (ennumeration) to UUIDs
-desktopUUIDs = { -1: "" } # NET::OnAllDesktops -> Empty string
-for i in range(1, num_desktops + 1):
-    uuid = kwinrc.get('Desktops', f'Id_{i}', fallback='')
-    desktopUUIDs[i] = str(uuid)
-
-# Apply the conversion to `kwinrulesrc`
-for line in fileinput.input():
-    # Rename key `desktoprule` to `desktopsrule`
-    if line.startswith("desktoprule="):
-        value = line[len("desktoprule="):].strip()
-        print("desktopsrule=" + value)
-        print("# DELETE desktoprule")
-        continue
-
-    if not line.startswith("desktop="):
-        print(line.strip())
-        continue
-
-    # Convert key `desktop` (x11id) to `desktops` (list of UUIDs)
-    try:
-        value = line[len("desktop="):].strip()
-        x11id = int(value)
-        uuid = desktopUUIDs[x11id]
-    except:
-        print(line.strip())  # If there is some error, print back the line
-        continue
-
-    print("desktops=" + uuid)
-    print("# DELETE desktop")
diff --git a/kconf_update/kwinrules.upd b/kconf_update/kwinrules.upd
deleted file mode 100644
index cc381bf29f..0000000000
--- a/kconf_update/kwinrules.upd
+++ /dev/null
@@ -1,11 +0,0 @@
-Version=5
-
-# Replace `placement` string policy to its enum value equivalent
-Id=replace-placement-string-to-enum
-File=kwinrulesrc
-Script=kwinrules-5.19-placement.pl,perl
-
-# Replace the `desktop` x11id number to `desktops` list of desktop UUIDs
-Id=use-virtual-desktop-ids
-File=kwinrulesrc
-Script=kwinrules-5.23-virtual-desktop-ids.py,python3