diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,7 +73,7 @@
 if(epoxy_FOUND)
     set(HAVE_EPOXY 1)
 endif()
-
+add_definitions(-DQT_NO_FOREACH)
 add_subdirectory(src)
 if (BUILD_TESTING)
     add_subdirectory(autotests)
diff --git a/src/kdeclarative/configpropertymap.cpp b/src/kdeclarative/configpropertymap.cpp
--- a/src/kdeclarative/configpropertymap.cpp
+++ b/src/kdeclarative/configpropertymap.cpp
@@ -108,7 +108,8 @@
         return;
     }
 
-    foreach (KConfigSkeletonItem *item, config.data()->items()) {
+    const auto lstItems = config.data()->items();
+    for (KConfigSkeletonItem *item : lstItems) {
         item->setProperty(q->value(item->key()));
     }
 
diff --git a/src/kdeclarative/qmlobject.cpp b/src/kdeclarative/qmlobject.cpp
--- a/src/kdeclarative/qmlobject.cpp
+++ b/src/kdeclarative/qmlobject.cpp
@@ -100,8 +100,8 @@
 {
     QString errorStr = QStringLiteral("Error loading QML file.\n");
     if (component->isError()) {
-        QList<QQmlError> errors = component->errors();
-        foreach (const QQmlError &error, errors) {
+        const QList<QQmlError> errors = component->errors();
+        for (const QQmlError &error : errors) {
             errorStr += (error.line() > 0 ? QString(QString::number(error.line()) + QLatin1String(": ")) : QLatin1String(""))
                         + error.description() + QLatin1Char('\n');
         }
diff --git a/src/qmlcontrols/draganddrop/DeclarativeDragArea.cpp b/src/qmlcontrols/draganddrop/DeclarativeDragArea.cpp
--- a/src/qmlcontrols/draganddrop/DeclarativeDragArea.cpp
+++ b/src/qmlcontrols/draganddrop/DeclarativeDragArea.cpp
@@ -360,7 +360,7 @@
             pm.fill(Qt::transparent);
             QPainter p(&pm);
             int i = 0;
-            foreach (const QString &ic, icons) {
+            for (const QString &ic : qAsConst(icons)) {
                 p.drawPixmap(QPoint(i * imageSize, 0), QIcon::fromTheme(ic).pixmap(imageSize));
                 i++;
             }
diff --git a/src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp b/src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp
--- a/src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp
+++ b/src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp
@@ -52,7 +52,8 @@
     m_source(nullptr)
 {
     // Copy the standard MIME data
-    foreach(QString format, copy->formats()) {
+    const auto formats = copy->formats();
+    for (const QString &format : formats) {
         QMimeData::setData(format, copy->data(format));
     }
 
@@ -90,7 +91,8 @@
 QJsonArray DeclarativeMimeData::urls() const
 {
     QJsonArray varUrls;
-    foreach (const QUrl &url, QMimeData::urls()) {
+    const auto lstUrls = QMimeData::urls();
+    for (const QUrl &url : lstUrls) {
         varUrls.append(url.toString());
     }
     return varUrls;
@@ -100,7 +102,7 @@
 {
     QList<QUrl> urlList;
     urlList.reserve(urls.size());
-    foreach (const QVariant &varUrl, urls) {
+    for (const QVariant &varUrl : urls) {
         urlList << varUrl.toUrl();
     }
     QMimeData::setUrls(urlList);
diff --git a/src/qmlcontrols/draganddrop/MimeDataWrapper.cpp b/src/qmlcontrols/draganddrop/MimeDataWrapper.cpp
--- a/src/qmlcontrols/draganddrop/MimeDataWrapper.cpp
+++ b/src/qmlcontrols/draganddrop/MimeDataWrapper.cpp
@@ -56,7 +56,8 @@
 QJsonArray MimeDataWrapper::urls() const
 {
     QJsonArray varUrls;
-    foreach (const QUrl &url, m_data->urls()) {
+    const auto urls = m_data->urls();
+    for (const QUrl &url : urls) {
         varUrls.append(url.toString());
     }
     return varUrls;
diff --git a/src/qmlcontrols/kquickcontrolsaddons/clipboard.cpp b/src/qmlcontrols/kquickcontrolsaddons/clipboard.cpp
--- a/src/qmlcontrols/kquickcontrolsaddons/clipboard.cpp
+++ b/src/qmlcontrols/kquickcontrolsaddons/clipboard.cpp
@@ -60,7 +60,8 @@
     QVariant ret;
     if(format == QStringLiteral("text/uri-list")) {
         QVariantList retList;
-        foreach(const QUrl& url, data->urls())
+        const auto urls = data->urls();
+        for (const QUrl& url : urls)
             retList += url;
         ret = retList;
     } else if(format.startsWith(QStringLiteral("text/"))) {
@@ -95,10 +96,10 @@
             break;
         default:
             if (content.type() == QVariant::List) {
-                QVariantList list = content.toList();
+                const QVariantList list = content.toList();
                 QList<QUrl> urls;
                 bool wasUrlList = true;
-                foreach (const QVariant& url, list) {
+                for (const QVariant& url : list) {
                     if (url.type() != QVariant::Url) {
                         wasUrlList = false;
                         break;
diff --git a/src/qmlcontrols/kquickcontrolsaddons/eventgenerator.cpp b/src/qmlcontrols/kquickcontrolsaddons/eventgenerator.cpp
--- a/src/qmlcontrols/kquickcontrolsaddons/eventgenerator.cpp
+++ b/src/qmlcontrols/kquickcontrolsaddons/eventgenerator.cpp
@@ -65,7 +65,7 @@
 
     const QList<QQuickItem *> items = allChildItemsRecursive(parentItem);
 
-    foreach(QQuickItem *item, items) {
+    for (QQuickItem *item : items) {
         sendMouseEvent(item, type, x, y, button, buttons, modifiers);
     }
 }
@@ -90,7 +90,7 @@
 
     const QList<QQuickItem *> items = allChildItemsRecursive(parentItem);
 
-    foreach(QQuickItem *item, items) {
+    for (QQuickItem *item : items) {
         sendWheelEvent(item, x, y, pixelDelta, angleDelta, buttons, modifiers);
     }
 }
@@ -129,18 +129,20 @@
 
     const QList<QQuickItem *> items = allChildItemsRecursive(parentItem);
 
-    foreach(QQuickItem *item, items) {
+    for (QQuickItem *item : items) {
         sendGrabEvent(item, type);
     }
 }
 
 QList<QQuickItem *> EventGenerator::allChildItemsRecursive(QQuickItem *parentItem)
 {
      QList<QQuickItem *> itemList;
 
-     itemList.append(parentItem->childItems());
+     const auto childsItems = parentItem->childItems();
+     itemList.append(childsItems);
 
-     foreach(QQuickItem *childItem, parentItem->childItems()) {
+
+     for (QQuickItem *childItem : childsItems) {
          itemList.append(allChildItemsRecursive(childItem));
      }
 
diff --git a/src/qmlcontrols/kquickcontrolsaddons/mouseeventlistener.cpp b/src/qmlcontrols/kquickcontrolsaddons/mouseeventlistener.cpp
--- a/src/qmlcontrols/kquickcontrolsaddons/mouseeventlistener.cpp
+++ b/src/qmlcontrols/kquickcontrolsaddons/mouseeventlistener.cpp
@@ -375,7 +375,8 @@
 
 QScreen* MouseEventListener::screenForGlobalPos(const QPoint& globalPos)
 {
-    foreach(QScreen *screen, QGuiApplication::screens()) {
+    const auto screens = QGuiApplication::screens();
+    for (QScreen *screen : screens) {
         if (screen->geometry().contains(globalPos)) {
             return screen;
         }