diff --git a/cmake/ECMQueryQt.cmake b/cmake/ECMQueryQt.cmake
deleted file mode 100644
index 98eb50089..000000000
--- a/cmake/ECMQueryQt.cmake
+++ /dev/null
@@ -1,100 +0,0 @@
-# SPDX-FileCopyrightText: 2014 Rohan Garg <rohan16garg@gmail.com>
-# SPDX-FileCopyrightText: 2014 Alex Merry <alex.merry@kde.org>
-# SPDX-FileCopyrightText: 2014-2016 Aleix Pol <aleixpol@kde.org>
-# SPDX-FileCopyrightText: 2017 Friedrich W. H. Kossebau <kossebau@kde.org>
-# SPDX-FileCopyrightText: 2022 Ahmad Samir <a.samir78@gmail.com>
-#
-# SPDX-License-Identifier: BSD-3-Clause
-#[=======================================================================[.rst:
-ECMQueryQt
----------------
-This module can be used to query the installation paths used by Qt.
-
-For Qt5 this uses ``qmake``, and for Qt6 this used ``qtpaths`` (the latter has built-in
-support to query the paths of a target platform when cross-compiling).
-
-This module defines the following function:
-::
-
-    ecm_query_qt(<result_variable> <qt_variable> [TRY])
-
-Passing ``TRY`` will result in the method not making the build fail if the executable
-used for querying has not been found, but instead simply print a warning message and
-return an empty string.
-
-Example usage:
-
-.. code-block:: cmake
-
-    include(ECMQueryQt)
-    ecm_query_qt(bin_dir QT_INSTALL_BINS)
-
-If the call succeeds ``${bin_dir}`` will be set to ``<prefix>/path/to/bin/dir`` (e.g.
-``/usr/lib64/qt/bin/``).
-
-Since: 5.93
-#]=======================================================================]
-
-include(${CMAKE_CURRENT_LIST_DIR}/QtVersionOption.cmake)
-include(CheckLanguage)
-check_language(CXX)
-if (CMAKE_CXX_COMPILER)
-    # Enable the CXX language to let CMake look for config files in library dirs.
-    # See: https://gitlab.kitware.com/cmake/cmake/-/issues/23266
-    enable_language(CXX)
-endif()
-
-if (QT_MAJOR_VERSION STREQUAL "5")
-    # QUIET to accommodate the TRY option
-    find_package(Qt${QT_MAJOR_VERSION}Core QUIET)
-    if(TARGET Qt5::qmake)
-        get_target_property(_qmake_executable_default Qt5::qmake LOCATION)
-
-        set(QUERY_EXECUTABLE ${_qmake_executable_default}
-            CACHE FILEPATH "Location of the Qt5 qmake executable")
-        set(_exec_name_text "Qt5 qmake")
-        set(_cli_option "-query")
-    endif()
-elseif(QT_MAJOR_VERSION STREQUAL "6")
-    # QUIET to accommodate the TRY option
-    find_package(Qt6 COMPONENTS CoreTools QUIET CONFIG)
-    if (TARGET Qt6::qtpaths)
-        get_target_property(_qtpaths_executable Qt6::qtpaths LOCATION)
-
-        set(QUERY_EXECUTABLE ${_qtpaths_executable}
-            CACHE FILEPATH "Location of the Qt6 qtpaths executable")
-        set(_exec_name_text "Qt6 qtpaths")
-        set(_cli_option "--query")
-    endif()
-endif()
-
-function(ecm_query_qt result_variable qt_variable)
-    set(options TRY)
-    set(oneValueArgs)
-    set(multiValueArgs)
-
-    cmake_parse_arguments(ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-
-    if(NOT QUERY_EXECUTABLE)
-        if(ARGS_TRY)
-            set(${result_variable} "" PARENT_SCOPE)
-            message(STATUS "No ${_exec_name_text} executable found. Can't check ${qt_variable}")
-            return()
-        else()
-            message(FATAL_ERROR "No ${_exec_name_text} executable found. Can't check ${qt_variable} as required")
-        endif()
-    endif()
-    execute_process(
-        COMMAND ${QUERY_EXECUTABLE} ${_cli_option} "${qt_variable}"
-        RESULT_VARIABLE return_code
-        OUTPUT_VARIABLE output
-    )
-    if(return_code EQUAL 0)
-        string(STRIP "${output}" output)
-        file(TO_CMAKE_PATH "${output}" output_path)
-        set(${result_variable} "${output_path}" PARENT_SCOPE)
-    else()
-        message(WARNING "Failed call: ${_command} \"${qt_variable}\"")
-        message(FATAL_ERROR "${_exec_name_text} call failed: ${return_code}")
-    endif()
-endfunction()
diff --git a/cmake/QtVersionOption.cmake b/cmake/QtVersionOption.cmake
deleted file mode 100644
index 1390f9db6..000000000
--- a/cmake/QtVersionOption.cmake
+++ /dev/null
@@ -1,38 +0,0 @@
-#.rst:
-# QtVersionOption
-# ---------------
-#
-# Adds a build option to select the major Qt version if necessary,
-# that is, if the major Qt version has not yet been determined otherwise
-# (e.g. by a corresponding find_package() call).
-#
-# This module is typically included by other modules requiring knowledge
-# about the major Qt version.
-#
-# ``QT_MAJOR_VERSION`` is defined to either be "5" or "6".
-#
-#
-# Since 5.82.0.
-
-#=============================================================================
-# SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
-#
-# SPDX-License-Identifier: BSD-3-Clause
-
-if (DEFINED QT_MAJOR_VERSION)
-    return()
-endif()
-
-if (TARGET Qt5::Core)
-    set(QT_MAJOR_VERSION 5)
-elseif (TARGET Qt6::Core)
-    set(QT_MAJOR_VERSION 6)
-else()
-    option(BUILD_WITH_QT6 "Build against Qt 6" OFF)
-
-    if (BUILD_WITH_QT6)
-        set(QT_MAJOR_VERSION 6)
-    else()
-        set(QT_MAJOR_VERSION 5)
-    endif()
-endif()