diff --git a/include/AutomationEditor.h b/include/AutomationEditor.h
index eca52d2c6da..c6a3c96c613 100644
--- a/include/AutomationEditor.h
+++ b/include/AutomationEditor.h
@@ -238,7 +238,6 @@ protected slots:
 	QColor m_vertexColor;
 	QBrush m_scaleColor;
 
-	//friend class Engine;
 	friend class AutomationEditorWindow;
 
 
@@ -294,8 +293,6 @@ protected slots:
 	ComboBox * m_zoomingXComboBox;
 	ComboBox * m_zoomingYComboBox;
 	ComboBox * m_quantizeComboBox;
-
-	friend class Engine;
 };
 
 
diff --git a/include/PianoRoll.h b/include/PianoRoll.h
index c2d94a18143..15b2e4ffc20 100644
--- a/include/PianoRoll.h
+++ b/include/PianoRoll.h
@@ -332,7 +332,6 @@ protected slots:
 	// did we start a mouseclick with shift pressed
 	bool m_startedWithShift;
 
-	friend class Engine;
 	friend class PianoRollWindow;
 
 	// qproperty fields