diff --git a/src/kded.cpp b/src/kded.cpp
--- a/src/kded.cpp
+++ b/src/kded.cpp
@@ -439,9 +439,7 @@
 #endif
     m_serviceWatcher->removeWatchedService(name);
     const QList<qlonglong> windowIds = m_windowIdList.value(name);
-    for (QList<qlonglong>::ConstIterator it = windowIds.begin();
-            it != windowIds.end(); ++it) {
-        qlonglong windowId = *it;
+    for (const qlonglong windowId : windowIds) {
         m_globalWindowIdList.remove(windowId);
         for (KDEDModule *module : qAsConst(m_modules)) {
             emit module->windowUnregistered(windowId);
@@ -467,10 +465,8 @@
                      this, &Kded::dirDeleted);
 
     // For each resource
-    for (QStringList::ConstIterator it = m_allResourceDirs.constBegin();
-            it != m_allResourceDirs.constEnd();
-            ++it) {
-        readDirectory(*it);
+    for (const QString dir : qAsConst(m_allResourceDirs)) {
+        readDirectory(dir);
     }
 }
 
@@ -488,12 +484,10 @@
 
     const QStringList dirs = KSycoca::self()->allResourceDirs();
     // For each resource
-    for (QStringList::ConstIterator it = dirs.begin();
-            it != dirs.end();
-            ++it) {
-        if (!m_allResourceDirs.contains(*it)) {
-            m_allResourceDirs.append(*it);
-            readDirectory(*it);
+    for (const QString directory : dirs) {
+        if (!m_allResourceDirs.contains(directory)) {
+            m_allResourceDirs.append(directory);
+            readDirectory(directory);
         }
     }
 }
@@ -625,10 +619,8 @@
                      this, &KUpdateD::slotNewUpdateFile);
 
     const QStringList dirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("kconf_update"), QStandardPaths::LocateDirectory);
-    for (QStringList::ConstIterator it = dirs.begin();
-            it != dirs.end();
-            ++it) {
-        QString path = *it;
+    for (const QString dir : dirs) {
+        QString path = dir;
         Q_ASSERT(path != QDir::homePath());
         if (path[path.length() - 1] != QLatin1Char('/')) {
             path += QLatin1Char('/');