diff --git a/src/plugins/coreplugin/editormanager/ieditor.h b/src/plugins/coreplugin/editormanager/ieditor.h
index c544616224e..d4203131362 100644
--- a/src/plugins/coreplugin/editormanager/ieditor.h
+++ b/src/plugins/coreplugin/editormanager/ieditor.h
@@ -55,7 +55,7 @@ public:
     virtual void setDisplayName(const QString &title) = 0;
 
     virtual bool duplicateSupported() const { return false; }
-    virtual IEditor *duplicate(QWidget */*parent*/) { return 0; }
+    virtual IEditor *duplicate(QWidget * /*parent*/) { return 0; }
 
     virtual QByteArray saveState() const { return QByteArray(); }
     virtual bool restoreState(const QByteArray &/*state*/) { return true; }