diff --git a/src/plugins/coreplugin/editormanager/ieditorfactory.cpp b/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
index 82a2ad52273..85cceacc03b 100644
--- a/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
+++ b/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
@@ -37,8 +37,7 @@ namespace Core {
 static QList<IEditorFactory *> g_editorFactories;
 static QHash<Utils::MimeType, IEditorFactory *> g_userPreferredEditorFactories;
 
-IEditorFactory::IEditorFactory(QObject *parent)
-    : QObject(parent)
+IEditorFactory::IEditorFactory()
 {
     g_editorFactories.append(this);
 }
diff --git a/src/plugins/coreplugin/editormanager/ieditorfactory.h b/src/plugins/coreplugin/editormanager/ieditorfactory.h
index 20a0baa0e61..01073b4b42d 100644
--- a/src/plugins/coreplugin/editormanager/ieditorfactory.h
+++ b/src/plugins/coreplugin/editormanager/ieditorfactory.h
@@ -47,7 +47,7 @@ class CORE_EXPORT IEditorFactory : public QObject
     Q_OBJECT
 
 public:
-    IEditorFactory(QObject *parent = nullptr);
+    IEditorFactory();
     ~IEditorFactory() override;
 
     static const EditorFactoryList allEditorFactories();
diff --git a/src/plugins/vcsbase/basevcssubmiteditorfactory.cpp b/src/plugins/vcsbase/basevcssubmiteditorfactory.cpp
index be84f19c421..704b43d2f59 100644
--- a/src/plugins/vcsbase/basevcssubmiteditorfactory.cpp
+++ b/src/plugins/vcsbase/basevcssubmiteditorfactory.cpp
@@ -43,9 +43,7 @@ const char DIFF_SELECTED[] = "Vcs.DiffSelectedFiles";
 VcsSubmitEditorFactory::VcsSubmitEditorFactory
         (const VcsBaseSubmitEditorParameters &parameters,
          const EditorCreator &editorCreator,
-         VcsBasePluginPrivate *plugin,
-         QObject *parent)
-    : IEditorFactory(parent)
+         VcsBasePluginPrivate *plugin)
 {
     setId(parameters.id);
     setDisplayName(QLatin1String(parameters.displayName));
diff --git a/src/plugins/vcsbase/basevcssubmiteditorfactory.h b/src/plugins/vcsbase/basevcssubmiteditorfactory.h
index 15386b915a9..133d9fd0ff5 100644
--- a/src/plugins/vcsbase/basevcssubmiteditorfactory.h
+++ b/src/plugins/vcsbase/basevcssubmiteditorfactory.h
@@ -49,8 +49,7 @@ public:
 
     VcsSubmitEditorFactory(const VcsBaseSubmitEditorParameters &parameters,
                            const EditorCreator &editorCreator,
-                           VcsBasePluginPrivate *plugin,
-                           QObject *parent = nullptr);
+                           VcsBasePluginPrivate *plugin);
 
 private:
     QAction *m_submitAction = nullptr;