diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
index 3140f02fb..927e35eaa 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/CMakeLists.txt
@@ -11,7 +11,6 @@ SET(OVQT_EXT_SYS_SRC	${CMAKE_CURRENT_SOURCE_DIR}/../../extension_system/iplugin.
 SET(OVQT_CORE_PLUGIN_HDR
 				icore.h
 				icontext.h
-				imenu_manager.h
 				icore_listener.h
 				ioptions_page.h
 				core_plugin.h
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core.h
index c62fac593..f34dd6ae6 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/core.h
@@ -30,7 +30,7 @@ class CoreImpl : public ICore
 	Q_OBJECT
 
 public:
-	CoreImpl(MainWindow *mainWindow);
+	explicit CoreImpl(MainWindow *mainWindow);
 	virtual ~CoreImpl();
 
 	virtual bool showOptionsDialog(const QString &group = QString(),
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/general_settings_page.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/general_settings_page.h
index 22ab30e45..66eacd189 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/general_settings_page.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/general_settings_page.h
@@ -37,7 +37,7 @@ class GeneralSettingsPage : public Core::IOptionsPage
 	Q_OBJECT
 
 public:
-	GeneralSettingsPage(QObject *parent = 0);
+	explicit GeneralSettingsPage(QObject *parent = 0);
 	~GeneralSettingsPage();
 
 	QString id() const;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h
index 3a5e2c710..fd6af8f3a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/core/menu_manager.h
@@ -44,7 +44,7 @@ class CORE_EXPORT MenuManager: public QObject
 	Q_OBJECT
 
 public:
-	explicit MenuManager(QMenuBar *menuBar, QObject *parent = 0);
+	MenuManager(QMenuBar *menuBar, QObject *parent = 0);
 	virtual ~MenuManager();
 
 	void registerMenu(QMenu *menu, const QString &id);