diff --git a/scene/arrow.hh b/scene/arrow.hh
index d8610609e93a7b7b2484a71eedac00d8edc54c87..bd1c5cc1e64dd9bcefdae6e3f2d38bcdbc9c1078 100644
--- a/scene/arrow.hh
+++ b/scene/arrow.hh
@@ -50,7 +50,6 @@ class GraphicsScene;
 class Arrow : public QObject, public QGraphicsPixmapItem, public QGraphicsLayoutItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsLayoutItem)
 
   public:
 
diff --git a/scene/connectionPoint.hh b/scene/connectionPoint.hh
index c76c2e7d21dee3d3eaa13026793271f02effee6a..64d813687dce64dba88750d9b1df5616dbf66bac 100644
--- a/scene/connectionPoint.hh
+++ b/scene/connectionPoint.hh
@@ -55,7 +55,6 @@ class ElementInOut;
 class ConnectionPoint : public QObject, public QGraphicsEllipseItem, public QGraphicsLayoutItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsLayoutItem)
 
   public:
 
diff --git a/scene/elementArea.hh b/scene/elementArea.hh
index 19fa38d5ce98fc507dc79a3c87b20d70d30abf36..a1a3c37f56b27b199749927d58541b01c8358b01 100644
--- a/scene/elementArea.hh
+++ b/scene/elementArea.hh
@@ -50,7 +50,6 @@ class SceneElement;
 class ElementArea : public QObject, public QGraphicsItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsItem)
 
   public:
 
diff --git a/scene/text.hh b/scene/text.hh
index 9362ddd1bea18bbeeeaa20ff92928da95d6afecf..081a6a90abc990e99cab5049daeb442fd9c0a4a8 100644
--- a/scene/text.hh
+++ b/scene/text.hh
@@ -55,7 +55,6 @@ class GraphicsScene;
 class Text : public QObject, public QGraphicsSimpleTextItem, public QGraphicsLayoutItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsLayoutItem)
 
   public:
 
diff --git a/scene/trash.hh b/scene/trash.hh
index 73de5644dd35620e0f43ac43821853eb40bddf4b..648b1497187e773d4bd6f6b60cfd72a7aa258f4f 100644
--- a/scene/trash.hh
+++ b/scene/trash.hh
@@ -51,7 +51,6 @@ class GraphicsScene;
 class Trash : public QObject, public QGraphicsPixmapItem, public QGraphicsLayoutItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsLayoutItem)
 
   public:
 
diff --git a/scene/zoomButton.hh b/scene/zoomButton.hh
index d0173cbb327e9ce7a23a7ab8ffea784cf7d4cc81..7f94e2ad54b8516e287d04d07d0af6f165109cfc 100644
--- a/scene/zoomButton.hh
+++ b/scene/zoomButton.hh
@@ -48,7 +48,6 @@ class GraphicsScene;
 class ZoomButton : public QObject, public QGraphicsPixmapItem, public QGraphicsLayoutItem
 {
   Q_OBJECT
-  Q_INTERFACES(QGraphicsLayoutItem)
 
   public: