diff --git a/src/libs/vlayout/vgraphicsfillitem.h b/src/libs/vlayout/vgraphicsfillitem.h
index 3862d5d3f..564e36986 100644
--- a/src/libs/vlayout/vgraphicsfillitem.h
+++ b/src/libs/vlayout/vgraphicsfillitem.h
@@ -38,7 +38,7 @@ public:
     /**
      * @brief VGraphicsFillItem Constructor
      */
-    VGraphicsFillItem(QGraphicsItem *parent = nullptr);
+    explicit VGraphicsFillItem(QGraphicsItem *parent = nullptr);
     /**
      * @brief ~VGraphicsFillItem Destructor
      */
diff --git a/src/libs/vpatterndb/vpiecenode.cpp b/src/libs/vpatterndb/vpiecenode.cpp
index a03d7e476..2d74cd4a5 100644
--- a/src/libs/vpatterndb/vpiecenode.cpp
+++ b/src/libs/vpatterndb/vpiecenode.cpp
@@ -34,6 +34,39 @@
 #include <QDataStream>
 #include <QtNumeric>
 
+namespace
+{
+//---------------------------------------------------------------------------------------------------------------------
+qreal EvalFormula(const VContainer *data, QString formula)
+{
+    if (formula.isEmpty())
+    {
+        return -1;
+    }
+    else
+    {
+        try
+        {
+            // Replace line return character with spaces for calc if exist
+            formula.replace("\n", " ");
+            QScopedPointer<Calculator> cal(new Calculator());
+            const qreal result = cal->EvalFormula(data->PlainVariables(), formula);
+
+            if (qIsInf(result) || qIsNaN(result))
+            {
+                return -1;
+            }
+            return result;
+        }
+        catch (qmu::QmuParserError &e)
+        {
+            Q_UNUSED(e)
+            return -1;
+        }
+    }
+}
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 VPieceNode::VPieceNode()
     : d(new VPieceNodeData)
@@ -182,36 +215,6 @@ void VPieceNode::SetAngleType(PieceNodeAngle type)
     }
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-qreal VPieceNode::EvalFormula(const VContainer *data, QString formula) const
-{
-    if (formula.isEmpty())
-    {
-        return -1;
-    }
-    else
-    {
-        try
-        {
-            // Replace line return character with spaces for calc if exist
-            formula.replace("\n", " ");
-            QScopedPointer<Calculator> cal(new Calculator());
-            const qreal result = cal->EvalFormula(data->PlainVariables(), formula);
-
-            if (qIsInf(result) || qIsNaN(result))
-            {
-                return -1;
-            }
-            return result;
-        }
-        catch (qmu::QmuParserError &e)
-        {
-            Q_UNUSED(e)
-            return -1;
-        }
-    }
-}
-
 // Friend functions
 //---------------------------------------------------------------------------------------------------------------------
 QDataStream& operator<<(QDataStream& out, const VPieceNode& p)
diff --git a/src/libs/vpatterndb/vpiecenode.h b/src/libs/vpatterndb/vpiecenode.h
index 9114b6c33..c2e7c9b1c 100644
--- a/src/libs/vpatterndb/vpiecenode.h
+++ b/src/libs/vpatterndb/vpiecenode.h
@@ -76,8 +76,6 @@ public:
     void           SetAngleType(PieceNodeAngle type);
 private:
     QSharedDataPointer<VPieceNodeData> d;
-
-    qreal EvalFormula(const VContainer *data, QString formula) const;
 };
 
 Q_DECLARE_METATYPE(VPieceNode)