diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index c8dc6675735..be735401b82 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -78,8 +78,7 @@ extend_qtc_library(QmlDesignerCore
 )
 
 extend_qtc_library(QmlDesignerCore
-    CONDITION TARGET Qt6::QmlDomPrivate AND TARGET Qt6::QmlCompilerPrivate AND Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3
-    AND NOT (CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_VERSION VERSION_LESS 19)
+  CONDITION TARGET Qt6::QmlDomPrivate AND TARGET Qt6::QmlCompilerPrivate AND Qt6_VERSION VERSION_GREATER_EQUAL 6.4.3
 
   DEPENDS Qt6::QmlDomPrivate Qt6::QmlCompilerPrivate
   PUBLIC_DEFINES QDS_HAS_QMLPRIVATE
diff --git a/src/plugins/qmldesigner/designercore/projectstorage/modulescanner.cpp b/src/plugins/qmldesigner/designercore/projectstorage/modulescanner.cpp
index f6c0f2449c1..ffcf28d7658 100644
--- a/src/plugins/qmldesigner/designercore/projectstorage/modulescanner.cpp
+++ b/src/plugins/qmldesigner/designercore/projectstorage/modulescanner.cpp
@@ -7,10 +7,9 @@
 #include <private/qqmldirparser_p.h>
 #endif
 
+#include <QDirIterator>
 #include <QFile>
 
-#include <filesystem>
-
 namespace QmlDesigner {
 
 namespace {
@@ -49,38 +48,30 @@ void ModuleScanner::scan(const QStringList &modulePaths)
 void ModuleScanner::scan([[maybe_unused]] std::string_view modulePath)
 {
 #ifdef QDS_HAS_QMLPRIVATE
-    try {
-        const std::filesystem::path installDirectoryPath{modulePath};
+    QDirIterator dirIterator{QString::fromUtf8(modulePath), QDir::Dirs, QDirIterator::Subdirectories};
 
-        auto current = std::filesystem::recursive_directory_iterator{installDirectoryPath};
-        auto end = std::filesystem::end(current);
+    while (dirIterator.hasNext()) {
+        auto directoryPath = dirIterator.next();
+        QString qmldirPath = directoryPath + "/qmldir";
+        if (QFileInfo::exists(qmldirPath)) {
+            QQmlDirParser parser;
 
-        for (; current != end; ++current) {
-            const auto &entry = *current;
-            auto path = entry.path();
+            auto content = contentAsQString(qmldirPath);
+            if (!content)
+                continue;
 
-            if (path.filename() == "qmldir") {
-                QQmlDirParser parser;
+            bool hasError = parser.parse(*content);
+            if (hasError)
+                continue;
 
-                auto content = contentAsQString(QString::fromStdU16String(path.u16string()));
-                if (!content)
-                    continue;
+            auto moduleName = parser.typeNamespace();
 
-                bool hasError = parser.parse(*content);
-                if (hasError)
-                    continue;
+            if (moduleName.isEmpty() || m_skip(moduleName))
+                continue;
 
-                auto moduleName = parser.typeNamespace();
-
-                if (moduleName.isEmpty() || m_skip(moduleName))
-                    continue;
-
-                m_modules.push_back(
-                    Import::createLibraryImport(moduleName, createVersion(parser.components())));
-            }
+            m_modules.push_back(
+                Import::createLibraryImport(moduleName, createVersion(parser.components())));
         }
-    } catch (const std::filesystem::filesystem_error &) {
-        return;
     }
 #endif
 }
diff --git a/src/plugins/qmldesigner/qmldesignerprojectmanager.cpp b/src/plugins/qmldesigner/qmldesignerprojectmanager.cpp
index 8f680ac3544..c1003915813 100644
--- a/src/plugins/qmldesigner/qmldesignerprojectmanager.cpp
+++ b/src/plugins/qmldesigner/qmldesignerprojectmanager.cpp
@@ -39,6 +39,7 @@
 
 #include <coreplugin/icore.h>
 
+#include <QDirIterator>
 #include <QFileSystemWatcher>
 #include <QQmlEngine>
 
@@ -344,17 +345,23 @@ void projectQmldirPaths(::ProjectExplorer::Target *target, QStringList &qmldirPa
 }
 
 #ifdef QDS_HAS_QMLPRIVATE
-bool skipPath(const std::filesystem::path &path)
+QStringView currentDirectoryName(const QString &path)
 {
-    auto directory = path.filename();
-    qDebug() << path.string().data();
+    auto found = std::find(path.rbegin(), path.rend(), u'/');
 
-    bool skip = directory == "QtApplicationManager" || directory == "QtInterfaceFramework"
-                || directory == "QtOpcUa" || directory == "Qt3D" || directory == "Qt3D"
-                || directory == "Scene2D" || directory == "Scene3D" || directory == "QtWayland"
-                || directory == "Qt5Compat";
-    if (skip)
-        qDebug() << "skip" << path.string().data();
+    if (found == path.rend())
+        return {};
+
+    return QStringView{found.base(), path.end()};
+}
+bool skipPath(const QString &path)
+{
+    auto directory = currentDirectoryName(path);
+
+    bool skip = directory == u"QtApplicationManager" || directory == u"QtInterfaceFramework"
+                || directory == u"QtOpcUa" || directory == u"Qt3D" || directory == u"Qt3D"
+                || directory == u"Scene2D" || directory == u"Scene3D" || directory == u"QtWayland"
+                || directory == u"Qt5Compat";
 
     return skip;
 }
@@ -366,21 +373,14 @@ void qtQmldirPaths([[maybe_unused]] ::ProjectExplorer::Target *target,
 #ifdef QDS_HAS_QMLPRIVATE
     if (useProjectStorage()) {
         const QString installDirectory = qmlPath(target).toString();
+        QDirIterator dirIterator{installDirectory, QDir::Dirs, QDirIterator::Subdirectories};
 
-        const std::filesystem::path installDirectoryPath{installDirectory.toStdString()};
+        while (dirIterator.hasNext()) {
+            auto directoryPath = dirIterator.next();
 
-        auto current = std::filesystem::recursive_directory_iterator{installDirectoryPath};
-        auto end = std::filesystem::end(current);
-        for (; current != end; ++current) {
-            const auto &entry = *current;
-            auto path = entry.path();
-            if (current.depth() < 3 && !current->is_regular_file() && skipPath(path)) {
-                current.disable_recursion_pending();
-                continue;
-            }
-            if (path.filename() == "qmldir") {
-                qmldirPaths.push_back(QString::fromStdU16String(path.generic_u16string()));
-            }
+            QString qmldirPath = directoryPath + "/qmldir";
+            if (!skipPath(directoryPath) && QFileInfo::exists(qmldirPath))
+                qmldirPaths.push_back(directoryPath);
         }
     }
 #endif