diff --git a/app/node/nodecopypaste.cpp b/app/node/nodecopypaste.cpp
index b5b1f03ae..5309da2d5 100644
--- a/app/node/nodecopypaste.cpp
+++ b/app/node/nodecopypaste.cpp
@@ -56,7 +56,7 @@ void NodeCopyPasteService::CopyNodesToClipboard(const QVector<Node *> &nodes, vo
   Core::CopyStringToClipboard(copy_str);
 }
 
-QVector<Node *> NodeCopyPasteService::PasteNodesFromClipboard(Sequence *graph, QUndoCommand* command, void *userdata)
+QVector<Node *> NodeCopyPasteService::PasteNodesFromClipboard(NodeGraph *graph, QUndoCommand* command, void *userdata)
 {
   QString clipboard = Core::PasteStringFromClipboard();
 
diff --git a/app/node/nodecopypaste.h b/app/node/nodecopypaste.h
index 456e46bb9..2048b90eb 100644
--- a/app/node/nodecopypaste.h
+++ b/app/node/nodecopypaste.h
@@ -37,7 +37,7 @@ public:
 protected:
   void CopyNodesToClipboard(const QVector<Node *> &nodes, void* userdata = nullptr);
 
-  QVector<Node*> PasteNodesFromClipboard(Sequence *graph, QUndoCommand *command, void* userdata = nullptr);
+  QVector<Node*> PasteNodesFromClipboard(NodeGraph *graph, QUndoCommand *command, void* userdata = nullptr);
 
   virtual void CopyNodesToClipboardInternal(QXmlStreamWriter *writer, void* userdata);
 
diff --git a/app/widget/nodeparamview/nodeparamviewundo.cpp b/app/widget/nodeparamview/nodeparamviewundo.cpp
index 7dfa38a36..95925062c 100644
--- a/app/widget/nodeparamview/nodeparamviewundo.cpp
+++ b/app/widget/nodeparamview/nodeparamviewundo.cpp
@@ -36,7 +36,7 @@ NodeParamSetKeyframingCommand::NodeParamSetKeyframingCommand(NodeInput *input, i
 
 Project *NodeParamSetKeyframingCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframingCommand::redo_internal()
@@ -68,7 +68,7 @@ NodeParamSetKeyframeValueCommand::NodeParamSetKeyframeValueCommand(NodeKeyframe*
 
 Project *NodeParamSetKeyframeValueCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(key_->parent()->parent()->parent()->parent())->project();
+  return key_->parent()->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframeValueCommand::redo_internal()
@@ -91,7 +91,7 @@ NodeParamInsertKeyframeCommand::NodeParamInsertKeyframeCommand(NodeInput *input,
 
 Project *NodeParamInsertKeyframeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamInsertKeyframeCommand::redo_internal()
@@ -113,7 +113,7 @@ NodeParamRemoveKeyframeCommand::NodeParamRemoveKeyframeCommand(NodeKeyframe* key
 
 Project *NodeParamRemoveKeyframeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamRemoveKeyframeCommand::redo_internal()
@@ -145,7 +145,7 @@ NodeParamSetKeyframeTimeCommand::NodeParamSetKeyframeTimeCommand(NodeKeyframe* k
 
 Project *NodeParamSetKeyframeTimeCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(key_->parent()->parent()->parent())->project();
+  return key_->parent()->parent()->parent()->project();
 }
 
 void NodeParamSetKeyframeTimeCommand::redo_internal()
@@ -180,7 +180,7 @@ NodeParamSetStandardValueCommand::NodeParamSetStandardValueCommand(NodeInput *in
 
 Project *NodeParamSetStandardValueCommand::GetRelevantProject() const
 {
-  return static_cast<Sequence*>(input_->parent()->parent())->project();
+  return input_->parent()->parent()->project();
 }
 
 void NodeParamSetStandardValueCommand::redo_internal()
diff --git a/app/widget/nodeview/nodeview.cpp b/app/widget/nodeview/nodeview.cpp
index 6f91ac6b0..e8f88f2f5 100644
--- a/app/widget/nodeview/nodeview.cpp
+++ b/app/widget/nodeview/nodeview.cpp
@@ -294,7 +294,7 @@ void NodeView::Paste()
 
   QUndoCommand* command = new QUndoCommand();
 
-  QVector<Node*> pasted_nodes = PasteNodesFromClipboard(static_cast<Sequence*>(graph_), command);
+  QVector<Node*> pasted_nodes = PasteNodesFromClipboard(graph_, command);
 
   Core::instance()->undo_stack()->pushIfHasChildren(command);
 
diff --git a/app/widget/timelinewidget/timelineundo.h b/app/widget/timelinewidget/timelineundo.h
index 995acb524..0bfac1994 100644
--- a/app/widget/timelinewidget/timelineundo.h
+++ b/app/widget/timelinewidget/timelineundo.h
@@ -671,7 +671,7 @@ public:
 
   virtual Project* GetRelevantProject() const override
   {
-    return static_cast<Sequence*>(blocks_.first()->parent())->project();
+    return blocks_.first()->parent()->project();
   }
 
 protected:
diff --git a/app/widget/timelinewidget/timelinewidget.cpp b/app/widget/timelinewidget/timelinewidget.cpp
index 55ddd54e0..be503775f 100644
--- a/app/widget/timelinewidget/timelinewidget.cpp
+++ b/app/widget/timelinewidget/timelinewidget.cpp
@@ -596,7 +596,7 @@ void TimelineWidget::Paste(bool insert)
   QUndoCommand* command = new QUndoCommand();
 
   QVector<BlockPasteData> paste_data;
-  QVector<Node*> pasted = PasteNodesFromClipboard(static_cast<Sequence*>(GetConnectedNode()->parent()), command, &paste_data);
+  QVector<Node*> pasted = PasteNodesFromClipboard(GetConnectedNode()->parent(), command, &paste_data);
 
   rational paste_start = GetTime();