diff --git a/include/Nazara/Graphics/Model.hpp b/include/Nazara/Graphics/Model.hpp
index ea5b937ba..3249cdd48 100644
--- a/include/Nazara/Graphics/Model.hpp
+++ b/include/Nazara/Graphics/Model.hpp
@@ -36,7 +36,6 @@ class NAZARA_API NzModel : public NzSceneNode
 	public:
 		NzModel();
 		NzModel(const NzModel& model);
-		NzModel(NzModel&& model);
 		virtual ~NzModel();
 
 		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
@@ -83,7 +82,6 @@ class NAZARA_API NzModel : public NzSceneNode
 		void SetSkinCount(unsigned int skinCount);
 
 		NzModel& operator=(const NzModel& node);
-		NzModel& operator=(NzModel&& node);
 
 	protected:
 		void InvalidateNode() override;
diff --git a/include/Nazara/Graphics/SceneNode.hpp b/include/Nazara/Graphics/SceneNode.hpp
index e5d70d10c..edfdf56e2 100644
--- a/include/Nazara/Graphics/SceneNode.hpp
+++ b/include/Nazara/Graphics/SceneNode.hpp
@@ -21,6 +21,7 @@ class NAZARA_API NzSceneNode : public NzNode
 	public:
 		NzSceneNode();
 		NzSceneNode(const NzSceneNode& sceneNode);
+		NzSceneNode(NzSceneNode& sceneNode) = delete;
 		virtual ~NzSceneNode();
 
 		virtual void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const = 0;
@@ -43,7 +44,7 @@ class NAZARA_API NzSceneNode : public NzNode
 		bool IsVisible() const;
 
 		NzSceneNode& operator=(const NzSceneNode& sceneNode);
-		NzSceneNode& operator=(NzSceneNode&& sceneNode);
+		NzSceneNode& operator=(NzSceneNode&& sceneNode) = delete;
 
 	protected:
 		virtual bool FrustumCull(const NzFrustumf& frustum) const;
diff --git a/include/Nazara/Graphics/Sprite.hpp b/include/Nazara/Graphics/Sprite.hpp
index a6040823c..ed4b99f20 100644
--- a/include/Nazara/Graphics/Sprite.hpp
+++ b/include/Nazara/Graphics/Sprite.hpp
@@ -18,8 +18,7 @@ class NAZARA_API NzSprite : public NzSceneNode
 		NzSprite();
 		NzSprite(NzTexture* texture);
 		NzSprite(const NzSprite& sprite);
-		NzSprite(NzSprite&& sprite);
-		~NzSprite();
+		~NzSprite() = default;
 
 		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
 
@@ -40,6 +39,8 @@ class NAZARA_API NzSprite : public NzSceneNode
 		void SetTextureCoords(const NzRectf& coords);
 		void SetTextureRect(const NzRectui& rect);
 
+		NzSprite& operator=(const NzSprite& sprite);
+
 	private:
 		void InvalidateNode() override;
 		void Register() override;
diff --git a/src/Nazara/Graphics/Light.cpp b/src/Nazara/Graphics/Light.cpp
index ff3d5bfdd..e3288adc2 100644
--- a/src/Nazara/Graphics/Light.cpp
+++ b/src/Nazara/Graphics/Light.cpp
@@ -41,7 +41,7 @@ m_innerAngle(light.m_innerAngle),
 m_outerAngle(light.m_outerAngle),
 m_radius(light.m_radius)
 {
-	SetParent(light);
+	SetParent(light.GetParent());
 }
 
 void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
diff --git a/src/Nazara/Graphics/Model.cpp b/src/Nazara/Graphics/Model.cpp
index 54e9b964f..64e68a709 100644
--- a/src/Nazara/Graphics/Model.cpp
+++ b/src/Nazara/Graphics/Model.cpp
@@ -35,20 +35,14 @@ m_skinCount(1)
 NzModel::NzModel(const NzModel& model) :
 NzSceneNode(model),
 m_materials(model.m_materials),
+m_mesh(model.m_mesh),
 m_boundingVolume(model.m_boundingVolume),
 m_boundingVolumeUpdated(model.m_boundingVolumeUpdated),
 m_matCount(model.m_matCount),
 m_skin(model.m_skin),
 m_skinCount(model.m_skinCount)
 {
-	if (model.m_mesh)
-	{
-		// Nous n'avons des matériaux que si nous avons un mesh
-		m_mesh = model.m_mesh;
-		m_materials = model.m_materials;
-	}
-
-	SetParent(model);
+	SetParent(model.GetParent());
 }
 
 NzModel::~NzModel()
@@ -420,24 +414,6 @@ NzModel& NzModel::operator=(const NzModel& node)
 	return *this;
 }
 
-NzModel& NzModel::operator=(NzModel&& node)
-{
-	NzSceneNode::operator=(node);
-
-	// Ressources
-	m_mesh = std::move(node.m_mesh);
-	m_materials = std::move(node.m_materials);
-
-	// Paramètres
-	m_boundingVolume = node.m_boundingVolume;
-	m_boundingVolumeUpdated = node.m_boundingVolumeUpdated;
-	m_matCount = node.m_matCount;
-	m_skin = node.m_skin;
-	m_skinCount = node.m_skinCount;
-
-	return *this;
-}
-
 void NzModel::InvalidateNode()
 {
 	NzSceneNode::InvalidateNode();
diff --git a/src/Nazara/Graphics/SceneNode.cpp b/src/Nazara/Graphics/SceneNode.cpp
index fcaf02743..d5ae7da72 100644
--- a/src/Nazara/Graphics/SceneNode.cpp
+++ b/src/Nazara/Graphics/SceneNode.cpp
@@ -140,17 +140,6 @@ NzSceneNode& NzSceneNode::operator=(const NzSceneNode& sceneNode)
 	return *this;
 }
 
-NzSceneNode& NzSceneNode::operator=(NzSceneNode&& sceneNode)
-{
-	NzNode::operator=(sceneNode);
-
-	// La scène est affectée via le parenting du node
-	m_drawingEnabled = sceneNode.m_drawingEnabled;
-	m_visible = sceneNode.m_visible;
-
-	return *this;
-}
-
 bool NzSceneNode::FrustumCull(const NzFrustumf& frustum) const
 {
 	return frustum.Contains(GetBoundingVolume());
diff --git a/src/Nazara/Graphics/Sprite.cpp b/src/Nazara/Graphics/Sprite.cpp
index 3d7a6d48e..24778dbd6 100644
--- a/src/Nazara/Graphics/Sprite.cpp
+++ b/src/Nazara/Graphics/Sprite.cpp
@@ -53,23 +53,9 @@ m_vertices(sprite.m_vertices),
 m_boundingVolumeUpdated(sprite.m_boundingVolumeUpdated),
 m_verticesUpdated(sprite.m_verticesUpdated)
 {
-	SetParent(sprite);
+	SetParent(sprite.GetParent());
 }
 
-NzSprite::NzSprite(NzSprite&& sprite) :
-NzSceneNode(sprite),
-m_boundingVolume(sprite.m_boundingVolume),
-m_material(std::move(sprite.m_material)),
-m_textureCoords(sprite.m_textureCoords),
-m_size(sprite.m_size),
-m_vertices(sprite.m_vertices),
-m_boundingVolumeUpdated(sprite.m_boundingVolumeUpdated),
-m_verticesUpdated(sprite.m_verticesUpdated)
-{
-}
-
-NzSprite::~NzSprite() = default;
-
 void NzSprite::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 {
 	if (!m_verticesUpdated)
@@ -189,6 +175,22 @@ void NzSprite::SetTextureRect(const NzRectui& rect)
 	SetTextureCoords(NzRectf(invWidth*rect.x, invHeight*rect.y, invWidth*rect.width, invHeight*rect.height));
 }
 
+NzSprite& NzSprite::operator=(const NzSprite& sprite)
+{
+	NzSceneNode::operator=(sprite);
+
+	m_color = sprite.m_color;
+	m_material = sprite.m_material;
+	m_textureCoords = sprite.m_textureCoords;
+	m_size = sprite.m_size;
+
+	// On ne copie pas les sommets finaux car il est très probable que nos paramètres soient modifiés et qu'ils doivent être régénérés de toute façon
+	m_boundingVolumeUpdated = false;
+	m_verticesUpdated = false;
+
+	return *this;
+}
+
 void NzSprite::InvalidateNode()
 {
 	NzSceneNode::InvalidateNode();