diff --git a/src/plugins/coreplugin/editormanager/editormanager.cpp b/src/plugins/coreplugin/editormanager/editormanager.cpp
index f1db1acbda1..e7ff06cff02 100644
--- a/src/plugins/coreplugin/editormanager/editormanager.cpp
+++ b/src/plugins/coreplugin/editormanager/editormanager.cpp
@@ -1662,7 +1662,7 @@ bool EditorManagerPrivate::saveDocument(IDocument *document)
 
     document->checkPermissions();
 
-    const QString &fileName = document->filePath().toString();
+    const QString fileName = document->filePath().toString();
 
     if (fileName.isEmpty())
         return saveDocumentAs(document);
diff --git a/src/plugins/projectexplorer/session.cpp b/src/plugins/projectexplorer/session.cpp
index 022d99a99ed..0d4b91048a4 100644
--- a/src/plugins/projectexplorer/session.cpp
+++ b/src/plugins/projectexplorer/session.cpp
@@ -490,7 +490,7 @@ QStringList SessionManagerPrivate::dependenciesOrder() const
 
     // copy the map to a temporary list
     foreach (Project *pro, m_projects) {
-        const QString &proName = pro->projectFilePath().toString();
+        const QString proName = pro->projectFilePath().toString();
         unordered << QPair<QString, QStringList>(proName, m_depMap.value(proName));
     }
 
diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index ee5ad4f5a26..342eceb8ed1 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -7201,7 +7201,7 @@ void TextEditorWidget::configureGenericHighlighter()
                 setCodeFoldingSupported(true);
             }
         } else {
-            const QString &fileName = textDocument()->filePath().toString();
+            const QString fileName = textDocument()->filePath().toString();
             if (TextEditorSettings::highlighterSettings().isIgnoredFilePattern(fileName))
                 d->m_isMissingSyntaxDefinition = false;
         }