diff --git a/src/libs/cplusplus/LookupContext.cpp b/src/libs/cplusplus/LookupContext.cpp
index d4776418ca0..e02d6e5073a 100644
--- a/src/libs/cplusplus/LookupContext.cpp
+++ b/src/libs/cplusplus/LookupContext.cpp
@@ -1142,8 +1142,7 @@ ClassOrNamespace *ClassOrNamespace::nestedType(const Name *name,
 
                 int maximumArgumentsMatched = 0;
 
-                for (const std::pair<const TemplateNameId *, ClassOrNamespace *> &p :
-                     specializations) {
+                for (const auto &p : specializations) {
                     const TemplateNameId *templateSpecialization = p.first;
                     ClassOrNamespace *specializationClassOrNamespace = p.second;
 
diff --git a/src/plugins/android/androidconfigurations.cpp b/src/plugins/android/androidconfigurations.cpp
index f787b86eddd..4e34cbba84f 100644
--- a/src/plugins/android/androidconfigurations.cpp
+++ b/src/plugins/android/androidconfigurations.cpp
@@ -616,7 +616,7 @@ QVector<AndroidDeviceInfo> AndroidConfig::connectedDevices(const FilePath &adbTo
     if (adbDevs.empty())
         return devices;
 
-    for (const QString line : adbDevs) // remove the daemon logs
+    for (const QString &line : adbDevs) // remove the daemon logs
         if (line.startsWith("* daemon"))
             adbDevs.removeOne(line);
     adbDevs.removeFirst(); // remove "List of devices attached" header line
diff --git a/src/plugins/android/androidtoolmanager.cpp b/src/plugins/android/androidtoolmanager.cpp
index fa88a4987f8..7c7eaad6789 100644
--- a/src/plugins/android/androidtoolmanager.cpp
+++ b/src/plugins/android/androidtoolmanager.cpp
@@ -206,7 +206,7 @@ AndroidDeviceInfoList AndroidToolManager::androidVirtualDevices(const Utils::Fil
     if (avds.empty())
         return devices;
 
-    for (const QString line : avds) // remove the daemon logs
+    for (const QString &line : avds) // remove the daemon logs
         if (line.startsWith("* daemon"))
             avds.removeOne(line);
 
diff --git a/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp b/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
index 7a308b08999..82e97fae210 100644
--- a/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
+++ b/src/plugins/qmldesigner/components/connectioneditor/delegates.cpp
@@ -309,7 +309,7 @@ QWidget *ConnectionDelegate::createEditor(QWidget *parent, const QStyleOptionVie
             }
 
             QStringList trigger = connectionModel->getflowActionTriggerForRow(index.row());
-            for (const QString action : trigger) {
+            for (const QString &action : trigger) {
                 connectionComboBox->addItem(tr("Activate FlowAction %1").arg(nameForAction(action)), action);
             }
         }