4 files changed, 12 insertions, 10 deletions
diff --git a/src/qmlcompiler/qqmljsloggingutils.cpp b/src/qmlcompiler/qqmljsloggingutils.cpp
index 8eecd08242..25ce2e4cbe 100644
--- a/src/qmlcompiler/qqmljsloggingutils.cpp
+++ b/src/qmlcompiler/qqmljsloggingutils.cpp
@@ -32,8 +32,9 @@ namespace QQmlJS {
 
 LoggerCategory::LoggerCategory() : d_ptr{ new LoggerCategoryPrivate } { }
 
-LoggerCategory::LoggerCategory(QString name, QString settingsName, QString description,
-                               QtMsgType level, bool ignored, bool isDefault)
+LoggerCategory::LoggerCategory(
+        const QString &name, const QString &settingsName, const QString &description, QtMsgType level,
+        bool ignored, bool isDefault)
     : d_ptr{ new LoggerCategoryPrivate }
 {
     Q_D(LoggerCategory);
diff --git a/src/qmlcompiler/qqmljsloggingutils_p.h b/src/qmlcompiler/qqmljsloggingutils_p.h
index 8623e1878f..0bd462278d 100644
--- a/src/qmlcompiler/qqmljsloggingutils_p.h
+++ b/src/qmlcompiler/qqmljsloggingutils_p.h
@@ -37,8 +37,9 @@ class Q_QMLCOMPILER_EXPORT LoggerCategory
 
 public:
     LoggerCategory();
-    LoggerCategory(QString name, QString settingsName, QString description, QtMsgType level,
-                   bool ignored = false, bool isDefault = false);
+    LoggerCategory(
+            const QString &name, const QString &settingsName, const QString &description,
+            QtMsgType level, bool ignored = false, bool isDefault = false);
     LoggerCategory(const LoggerCategory &);
     LoggerCategory(LoggerCategory &&) noexcept;
     LoggerCategory &operator=(const LoggerCategory &);
diff --git a/src/qmldom/qqmldomtop.cpp b/src/qmldom/qqmldomtop.cpp
index af38027beb..37778c3185 100644
--- a/src/qmldom/qqmldomtop.cpp
+++ b/src/qmldom/qqmldomtop.cpp
@@ -1270,9 +1270,9 @@ void DomEnvironment::loadModuleDependency(
         loadModuleDependency(envItem, uri, version, nullptr, callback, errorHandler);
 }
 
-void DomEnvironment::loadModuleDependency(const DomItem &self, const QString &uri, Version v,
-                                          Callback loadCallback, Callback endCallback,
-                                          const ErrorHandler &errorHandler)
+void DomEnvironment::loadModuleDependency(
+        const DomItem &self, const QString &uri, Version v, const Callback &loadCallback,
+        const Callback &endCallback, const ErrorHandler &errorHandler)
 {
     Q_ASSERT(!uri.contains(u'/'));
     Path p = Paths::moduleIndexPath(uri, v.majorVersion);
diff --git a/src/qmldom/qqmldomtop_p.h b/src/qmldom/qqmldomtop_p.h
index 1e9485a933..b73038397e 100644
--- a/src/qmldom/qqmldomtop_p.h
+++ b/src/qmldom/qqmldomtop_p.h
@@ -955,9 +955,9 @@ private:
                   std::optional<DomType> fileType = std::optional<DomType>(),
                   const ErrorHandler &h = nullptr);
 
-    void loadModuleDependency(const DomItem &self, const QString &uri, Version v,
-                              Callback loadCallback = nullptr, Callback endCallback = nullptr,
-                              const ErrorHandler & = nullptr);
+    void loadModuleDependency(
+            const DomItem &self, const QString &uri, Version v, const Callback &loadCallback = nullptr,
+            const Callback &endCallback = nullptr, const ErrorHandler & = nullptr);
 
     template <typename T>
     QSet<QString> getStrings(function_ref<QSet<QString>()> getBase, const QMap<QString, T> &selfMap,