diff --git a/widgets/matrix4x4widget.cpp b/widgets/matrix4x4widget.cpp
index 9f4fe88..4855551 100644
--- a/widgets/matrix4x4widget.cpp
+++ b/widgets/matrix4x4widget.cpp
@@ -8,7 +8,7 @@ Matrix4x4Widget::Matrix4x4Widget(QWidget *parent) :
     QWidget(parent)
 {
     auto layout = new QGridLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_doubleSpinBox11 = new QDoubleSpinBox(this), 0, 0);
     layout->addWidget(m_doubleSpinBox12 = new QDoubleSpinBox(this), 0, 1);
     layout->addWidget(m_doubleSpinBox13 = new QDoubleSpinBox(this), 0, 2);
diff --git a/widgets/quaternionwidget.cpp b/widgets/quaternionwidget.cpp
index cbb3a1d..3b5fe01 100644
--- a/widgets/quaternionwidget.cpp
+++ b/widgets/quaternionwidget.cpp
@@ -7,7 +7,7 @@ QuaternionWidget::QuaternionWidget(QWidget *parent) :
     QWidget(parent)
 {
     auto layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_doubleSpinBoxX = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxY = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxZ = new QDoubleSpinBox(this));
diff --git a/widgets/urlwidget.cpp b/widgets/urlwidget.cpp
index 053b470..257848a 100644
--- a/widgets/urlwidget.cpp
+++ b/widgets/urlwidget.cpp
@@ -9,7 +9,7 @@ UrlWidget::UrlWidget(QWidget *parent) :
     QWidget(parent)
 {
     auto layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_lineEdit = new QLineEdit(this));
     {
         auto toolButton = new QToolButton(this);
diff --git a/widgets/vector2dwidget.cpp b/widgets/vector2dwidget.cpp
index d0de5d3..4881f67 100644
--- a/widgets/vector2dwidget.cpp
+++ b/widgets/vector2dwidget.cpp
@@ -7,7 +7,7 @@ Vector2DWidget::Vector2DWidget(QWidget *parent) :
     QWidget(parent)
 {
     auto layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_doubleSpinBoxX = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxY = new QDoubleSpinBox(this));
     setLayout(layout);
diff --git a/widgets/vector3dwidget.cpp b/widgets/vector3dwidget.cpp
index 4ae3501..741e18a 100644
--- a/widgets/vector3dwidget.cpp
+++ b/widgets/vector3dwidget.cpp
@@ -7,7 +7,7 @@ Vector3DWidget::Vector3DWidget(QWidget *parent) :
     QWidget(parent)
 {
     auto layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_doubleSpinBoxX = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxY = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxZ = new QDoubleSpinBox(this));
diff --git a/widgets/vector4dwidget.cpp b/widgets/vector4dwidget.cpp
index 9fa4fb0..919205b 100644
--- a/widgets/vector4dwidget.cpp
+++ b/widgets/vector4dwidget.cpp
@@ -6,7 +6,7 @@
 Vector4DWidget::Vector4DWidget(QWidget *parent) : QWidget(parent)
 {
     auto layout = new QHBoxLayout(this);
-    layout->setMargin(0);
+    layout->setContentsMargins({});
     layout->addWidget(m_doubleSpinBoxX = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxY = new QDoubleSpinBox(this));
     layout->addWidget(m_doubleSpinBoxZ = new QDoubleSpinBox(this));