diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index 49e2a18a4..ce83093da 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -1738,7 +1738,7 @@ void TMainWindow::SetupMenu()
         recentFileActs[i] = action;
         connect(action, &QAction::triggered, [action, this]()
         {
-            if (action)
+            if (action != nullptr)
             {
                 const QString filePath = action->data().toString();
                 if (not filePath.isEmpty())
diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index dfb7dcb9e..3fef25852 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -3617,7 +3617,8 @@ void MainWindow::CreateActions()
         recentFileActs[i] = action;
         connect(recentFileActs[i], &QAction::triggered, [action, this]()
         {
-            if (action)
+            // cppcheck-suppress nullPointerRedundantCheck
+            if (action != nullptr)
             {
                 const QString filePath = action->data().toString();
                 if (not filePath.isEmpty())
diff --git a/src/libs/vgeometry/vabstractarc_p.h b/src/libs/vgeometry/vabstractarc_p.h
index 98ff70226..b9fd832d7 100644
--- a/src/libs/vgeometry/vabstractarc_p.h
+++ b/src/libs/vgeometry/vabstractarc_p.h
@@ -43,7 +43,7 @@ class VAbstractArcData : public QSharedData
 public:
     VAbstractArcData();
     VAbstractArcData(const VPointF &center, qreal f1, const QString &formulaF1, qreal f2, const QString &formulaF2);
-    VAbstractArcData(const QString &formulaLength, VPointF center, qreal f1, QString formulaF1);
+    VAbstractArcData(const QString &formulaLength, const VPointF &center, qreal f1, const QString &formulaF1);
     VAbstractArcData(const VPointF &center, qreal f1);
     VAbstractArcData(const VPointF &center, qreal f1, qreal f2);
     VAbstractArcData(const VAbstractArcData &arc);
@@ -96,7 +96,8 @@ VAbstractArcData::VAbstractArcData(const VPointF &center, qreal f1, const QStrin
 {}
 
 //---------------------------------------------------------------------------------------------------------------------
-VAbstractArcData::VAbstractArcData(const QString &formulaLength, VPointF center, qreal f1, QString formulaF1)
+VAbstractArcData::VAbstractArcData(const QString &formulaLength, const VPointF &center, qreal f1,
+                                   const QString &formulaF1)
     : f1(f1),
       formulaF1(formulaF1),
       f2(0),
diff --git a/src/libs/vgeometry/varc_p.h b/src/libs/vgeometry/varc_p.h
index b76dd3e0d..52478ad1c 100644
--- a/src/libs/vgeometry/varc_p.h
+++ b/src/libs/vgeometry/varc_p.h
@@ -41,7 +41,7 @@ class VArcData : public QSharedData
 {
 public:
     VArcData();
-    VArcData(qreal radius, QString formulaRadius);
+    VArcData(qreal radius, const QString &formulaRadius);
     explicit VArcData(qreal radius);
     VArcData(const VArcData &arc);
     virtual ~VArcData();
@@ -63,7 +63,7 @@ VArcData::VArcData()
 {}
 
 //---------------------------------------------------------------------------------------------------------------------
-VArcData::VArcData(qreal radius, QString formulaRadius)
+VArcData::VArcData(qreal radius, const QString &formulaRadius)
     : radius(radius),
       formulaRadius(formulaRadius)
 {}
diff --git a/src/libs/vgeometry/vspline.cpp b/src/libs/vgeometry/vspline.cpp
index b4834b796..2234caea0 100644
--- a/src/libs/vgeometry/vspline.cpp
+++ b/src/libs/vgeometry/vspline.cpp
@@ -64,8 +64,8 @@ VSpline::VSpline ( const VSpline & spline )
  * @param kAsm1 coefficient of length first control line.
  * @param kAsm2 coefficient of length second control line.
  */
-VSpline::VSpline (VPointF p1, VPointF p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2, qreal kCurve,
-                  quint32 idObject, Draw mode)
+VSpline::VSpline (const VPointF &p1, const VPointF &p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2,
+                  qreal kCurve, quint32 idObject, Draw mode)
     : VAbstractCubicBezier(GOType::Spline, idObject, mode),
       d(new VSplineData(p1, p4, angle1, angle2, kAsm1, kAsm2, kCurve))
 {
@@ -80,7 +80,8 @@ VSpline::VSpline (VPointF p1, VPointF p4, qreal angle1, qreal angle2, qreal kAsm
  * @param p3 second control point.
  * @param p4 second point spline.
  */
-VSpline::VSpline (VPointF p1, QPointF p2, QPointF p3, VPointF p4, quint32 idObject, Draw mode)
+VSpline::VSpline (const VPointF &p1, const QPointF &p2, const QPointF &p3, const VPointF &p4, quint32 idObject,
+                  Draw mode)
     :VAbstractCubicBezier(GOType::Spline, idObject, mode), d(new VSplineData(p1, p2, p3, p4))
 {
     CreateName();
@@ -101,7 +102,7 @@ VSpline::VSpline (VPointF p1, QPointF p2, QPointF p3, VPointF p4, quint32 idObje
  * @param c2Length length from second point to first control point.
  * @param c2LengthFormula formula length from second point to first control point.
  */
-VSpline::VSpline(VPointF p1, VPointF p4, qreal angle1, const QString &angle1Formula, qreal angle2,
+VSpline::VSpline(const VPointF &p1, const VPointF &p4, qreal angle1, const QString &angle1Formula, qreal angle2,
                  const QString &angle2Formula, qreal c1Length, const QString &c1LengthFormula, qreal c2Length,
                  const QString &c2LengthFormula, quint32 idObject, Draw mode)
     : VAbstractCubicBezier(GOType::Spline, idObject, mode),
diff --git a/src/libs/vgeometry/vspline.h b/src/libs/vgeometry/vspline.h
index f713b8707..e648a3c80 100644
--- a/src/libs/vgeometry/vspline.h
+++ b/src/libs/vgeometry/vspline.h
@@ -55,11 +55,11 @@ class VSpline :public VAbstractCubicBezier
 public:
     VSpline();
     VSpline (const VSpline &spline );
-    VSpline (VPointF p1, VPointF p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2, qreal kCurve,
+    VSpline (const VPointF &p1, const VPointF &p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2, qreal kCurve,
              quint32 idObject = 0, Draw mode = Draw::Calculation);
-    VSpline (VPointF p1, QPointF p2, QPointF p3, VPointF p4, quint32 idObject = 0,
+    VSpline (const VPointF &p1, const QPointF &p2, const QPointF &p3, const VPointF &p4, quint32 idObject = 0,
              Draw mode = Draw::Calculation);
-    VSpline (VPointF p1, VPointF p4, qreal angle1, const QString &angle1Formula, qreal angle2,
+    VSpline (const VPointF &p1, const VPointF &p4, qreal angle1, const QString &angle1Formula, qreal angle2,
              const QString &angle2Formula, qreal c1Length, const QString &c1LengthFormula, qreal c2Length,
              const QString &c2LengthFormula, quint32 idObject = 0, Draw mode = Draw::Calculation);
     VSpline Rotate(const QPointF &originPoint, qreal degrees, const QString &prefix = QString()) const;