diff --git a/CMakeLists.txt b/CMakeLists.txt
index 165a203136..45b6039373 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,9 +61,6 @@ endif()
 if (BUILD_TESTING)
     find_package(Qt6 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient)
     find_package(KPipeWire)
-    if (Qt6WaylandClient_VERSION VERSION_LESS "6.4.1") # TODO Plasma 6: Drop once minimum Qt version is 6.4.1+
-        include(Qt6WaylandClientMacrosKde)
-    endif()
 endif()
 
 # required frameworks by Core
diff --git a/cmake/modules/Qt6WaylandClientMacrosKde.cmake b/cmake/modules/Qt6WaylandClientMacrosKde.cmake
deleted file mode 100644
index ea0ac323f8..0000000000
--- a/cmake/modules/Qt6WaylandClientMacrosKde.cmake
+++ /dev/null
@@ -1,101 +0,0 @@
-# Copyright (C) 2022 The Qt Company Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
-
-function(qt6_generate_wayland_protocol_client_sources target)
-    cmake_parse_arguments(arg "NO_INCLUDE_CORE_ONLY" "__QT_INTERNAL_WAYLAND_INCLUDE_DIR" "FILES" ${ARGN})
-    if(DEFINED arg_UNPARSED_ARGUMENTS)
-        message(FATAL_ERROR "Unknown arguments were passed to qt6_generate_wayland_protocol_client_sources: (${arg_UNPARSED_ARGUMENTS}).")
-    endif()
-
-    get_target_property(target_binary_dir ${target} BINARY_DIR)
-
-    if(NOT TARGET Wayland::Scanner)
-        message(FATAL_ERROR "Wayland::Scanner target not found. You might be missing the WaylandScanner CMake package.")
-    endif()
-
-    if(NOT TARGET Qt6::qtwaylandscanner)
-        message(FATAL_ERROR "qtwaylandscanner executable not found. Most likely there is an issue with your Qt installation.")
-    endif()
-
-    string(TOUPPER "${target}" module_define_infix)
-    string(REPLACE "-" "_" module_define_infix "${module_define_infix}")
-    string(REPLACE "." "_" module_define_infix "${module_define_infix}")
-    set(build_macro "QT_BUILD_${module_define_infix}_LIB")
-
-    foreach(protocol_file IN LISTS arg_FILES)
-        get_filename_component(protocol_name "${protocol_file}" NAME_WLE)
-
-        set(waylandscanner_header_output "${target_binary_dir}/wayland-${protocol_name}-client-protocol.h")
-        set(waylandscanner_code_output "${target_binary_dir}/wayland-${protocol_name}-protocol.c")
-        # TODO: Maybe add "client" prefix or suffix to these in Qt6?
-        set(qtwaylandscanner_header_output "${target_binary_dir}/qwayland-${protocol_name}.h")
-        set(qtwaylandscanner_code_output "${target_binary_dir}/qwayland-${protocol_name}.cpp")
-
-        if (NOT arg_NO_INCLUDE_CORE_ONLY)
-            set(waylandscanner_extra_args "--include-core-only")
-        endif()
-        add_custom_command(
-            OUTPUT "${waylandscanner_header_output}"
-            #TODO: Maybe put the files in ${CMAKE_CURRENT_BINARY_DIR/wayland_generated instead?
-            COMMAND Wayland::Scanner --strict ${waylandscanner_extra_args} client-header < "${protocol_file}" > "${waylandscanner_header_output}"
-        )
-
-        add_custom_command(
-            OUTPUT "${waylandscanner_code_output}"
-            COMMAND Wayland::Scanner --strict ${waylandscanner_extra_args} public-code < "${protocol_file}" > "${waylandscanner_code_output}"
-        )
-
-        set(wayland_include_dir "")
-        if(arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR)
-            set(wayland_include_dir "${arg___QT_INTERNAL_WAYLAND_INCLUDE_DIR}")
-        else()
-            get_target_property(qt_module ${target} _qt_module_interface_name)
-            get_target_property(is_for_module "${target}" _qt_module_has_headers)
-            if (qt_module)
-                set(wayland_include_dir "Qt${qt_module}/private")
-            elseif (is_for_module)
-                set(wayland_include_dir "QtWaylandClient/private")
-            endif()
-        endif()
-
-        add_custom_command(
-            OUTPUT "${qtwaylandscanner_header_output}"
-            COMMAND Qt6::qtwaylandscanner client-header
-                "${protocol_file}"
-                --build-macro=${build_macro}
-                --header-path="${wayland_include_dir}"
-                > "${qtwaylandscanner_header_output}"
-            DEPENDS ${protocol_file} Qt6::qtwaylandscanner
-        )
-
-        set(qtwaylandscanner_code_include "")
-        if (is_for_module)
-            set(qtwaylandscanner_code_include "<QtWaylandClient/private/wayland-wayland-client-protocol.h>")
-        endif()
-
-        add_custom_command(
-            OUTPUT "${qtwaylandscanner_code_output}"
-            COMMAND Qt6::qtwaylandscanner client-code
-                "${protocol_file}"
-                --build-macro=${build_macro}
-                --header-path='${wayland_include_dir}'
-                --add-include='${qtwaylandscanner_code_include}'
-                > "${qtwaylandscanner_code_output}"
-            DEPENDS ${protocol_file} Qt6::qtwaylandscanner
-        )
-
-        target_sources(${target} PRIVATE
-            "${waylandscanner_header_output}"
-            "${waylandscanner_code_output}"
-            "${qtwaylandscanner_header_output}"
-            "${qtwaylandscanner_code_output}"
-        )
-    endforeach()
-    target_include_directories(${target} PRIVATE ${target_binary_dir})
-endfunction()
-
-if(NOT QT_NO_CREATE_VERSIONLESS_FUNCTIONS)
-    function(qt_generate_wayland_protocol_client_sources)
-        qt6_generate_wayland_protocol_client_sources(${ARGV})
-    endfunction()
-endif()