diff --git a/src/app/core/vtooloptionspropertybrowser.cpp b/src/app/core/vtooloptionspropertybrowser.cpp
index c8a9f0563..0883c1d8c 100644
--- a/src/app/core/vtooloptionspropertybrowser.cpp
+++ b/src/app/core/vtooloptionspropertybrowser.cpp
@@ -813,8 +813,6 @@ void VToolOptionsPropertyBrowser::ChangeDataToolTrueDarts(VProperty *property)
     QVariant value = property->data(VProperty::DPC_Data, Qt::DisplayRole);
     const QString id = propertyToId[property];
 
-    VToolTrueDarts *i = qgraphicsitem_cast<VToolTrueDarts *>(currentItem);
-    SCASSERT(i != nullptr);
     switch (PropertiesList().indexOf(id))
     {
         case 32: // VAbstractTool::AttrName1
diff --git a/src/app/xml/vpattern.cpp b/src/app/xml/vpattern.cpp
index bbce740e6..12a5b282c 100644
--- a/src/app/xml/vpattern.cpp
+++ b/src/app/xml/vpattern.cpp
@@ -708,7 +708,7 @@ void VPattern::ParsePointElement(VMainGraphicsScene *scene, QDomElement &domElem
             ParseToolPointOfContact(scene, domElement, parse);
             break;
         case 8: //VNodePoint::ToolType
-            ParseNodePoint(scene, domElement, parse);
+            ParseNodePoint(domElement, parse);
             break;
         case 9: //VToolHeight::ToolType
             ParseToolHeight(scene, domElement, parse);
@@ -1229,9 +1229,8 @@ void VPattern::ParseToolPointOfContact(VMainGraphicsScene *scene, QDomElement &d
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPattern::ParseNodePoint(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse)
+void VPattern::ParseNodePoint(const QDomElement &domElement, const Document &parse)
 {
-    SCASSERT(scene != nullptr);
     Q_ASSERT_X(domElement.isNull() == false, Q_FUNC_INFO, "domElement is null");
 
     quint32 id = 0;
@@ -1849,9 +1848,8 @@ void VPattern::ParseToolSplinePath(VMainGraphicsScene *scene, const QDomElement
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPattern::ParseNodeSpline(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse)
+void VPattern::ParseNodeSpline(const QDomElement &domElement, const Document &parse)
 {
-    SCASSERT(scene != nullptr);
     Q_ASSERT_X(domElement.isNull() == false, Q_FUNC_INFO, "domElement is null");
 
     quint32 id = 0;
@@ -1876,9 +1874,8 @@ void VPattern::ParseNodeSpline(VMainGraphicsScene *scene, const QDomElement &dom
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPattern::ParseNodeSplinePath(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse)
+void VPattern::ParseNodeSplinePath(const QDomElement &domElement, const Document &parse)
 {
-    SCASSERT(scene != nullptr);
     Q_ASSERT_X(domElement.isNull() == false, Q_FUNC_INFO, "domElement is null");
 
     quint32 id = 0;
@@ -1948,9 +1945,8 @@ void VPattern::ParseToolArc(VMainGraphicsScene *scene, QDomElement &domElement,
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPattern::ParseNodeArc(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse)
+void VPattern::ParseNodeArc(const QDomElement &domElement, const Document &parse)
 {
-    SCASSERT(scene != nullptr);
     Q_ASSERT_X(domElement.isNull() == false, Q_FUNC_INFO, "domElement is null");
 
     quint32 id = 0;
@@ -2051,11 +2047,11 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
             break;
         case 2: //VNodeSpline::ToolType
             qCDebug(vXML, "VNodeSpline.");
-            ParseNodeSpline(scene, domElement, parse);
+            ParseNodeSpline(domElement, parse);
             break;
         case 3: //VNodeSplinePath::ToolType
             qCDebug(vXML, "VNodeSplinePath.");
-            ParseNodeSplinePath(scene, domElement, parse);
+            ParseNodeSplinePath(domElement, parse);
             break;
         default:
             qCDebug(vXML, "Illegal spline type in VDomDocument::ParseSplineElement().");
@@ -2088,7 +2084,7 @@ void VPattern::ParseArcElement(VMainGraphicsScene *scene, QDomElement &domElemen
             ParseToolArc(scene, domElement, parse);
             break;
         case 1: //VNodeArc::ToolType
-            ParseNodeArc(scene, domElement, parse);
+            ParseNodeArc(domElement, parse);
             break;
         case 2: //VToolArcWithLength::ToolType
             ParseToolArcWithLength(scene, domElement, parse);
diff --git a/src/app/xml/vpattern.h b/src/app/xml/vpattern.h
index 821cd4161..e85a0392a 100644
--- a/src/app/xml/vpattern.h
+++ b/src/app/xml/vpattern.h
@@ -124,7 +124,7 @@ private:
     void ParseToolBisector(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
     void ParseToolLineIntersect(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
     void ParseToolPointOfContact(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
-    void ParseNodePoint(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
+    void ParseNodePoint(const QDomElement &domElement, const Document &parse);
     void ParseToolHeight(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
     void ParseToolTriangle(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
     void ParseToolPointOfIntersection(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
@@ -145,11 +145,11 @@ private:
 
     void ParseToolSpline(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
     void ParseToolSplinePath(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
-    void ParseNodeSpline(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
-    void ParseNodeSplinePath(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
+    void ParseNodeSpline(const QDomElement &domElement, const Document &parse);
+    void ParseNodeSplinePath(const QDomElement &domElement, const Document &parse);
 
     void ParseToolArc(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
-    void ParseNodeArc(VMainGraphicsScene *scene, const QDomElement &domElement, const Document &parse);
+    void ParseNodeArc(const QDomElement &domElement, const Document &parse);
     void ParseToolArcWithLength(VMainGraphicsScene *scene, QDomElement &domElement, const Document &parse);
 };