diff --git a/examples/network/torrent/mainwindow.cpp b/examples/network/torrent/mainwindow.cpp
index c343ee81b9..9a322e53fc 100644
--- a/examples/network/torrent/mainwindow.cpp
+++ b/examples/network/torrent/mainwindow.cpp
@@ -224,8 +224,7 @@ QSize MainWindow::sizeHint() const
     for (int i = 0; i < header->count() - 1; ++i)
         width += header->sectionSize(i);
 
-    return QSize(width, QMainWindow::sizeHint().height())
-        .expandedTo(QApplication::globalStrut());
+    return QSize(width, QMainWindow::sizeHint().height());
 }
 
 const TorrentClient *MainWindow::clientForRow(int row) const
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm
index 3b52ba8992..488b1da405 100644
--- a/src/plugins/styles/mac/qmacstyle_mac.mm
+++ b/src/plugins/styles/mac/qmacstyle_mac.mm
@@ -2502,7 +2502,7 @@ int QMacStyle::pixelMetric(PixelMetric metric, const QStyleOption *opt, const QW
         ret = 4;
         break;
     case PM_SplitterWidth:
-        ret = qMax(7, QApplication::globalStrut().width());
+        ret = 7;
         break;
     case PM_LayoutLeftMargin:
     case PM_LayoutTopMargin:
diff --git a/src/plugins/styles/windowsvista/qwindowsxpstyle.cpp b/src/plugins/styles/windowsvista/qwindowsxpstyle.cpp
index c7ed8909bc..67198e701c 100644
--- a/src/plugins/styles/windowsvista/qwindowsxpstyle.cpp
+++ b/src/plugins/styles/windowsvista/qwindowsxpstyle.cpp
@@ -3255,8 +3255,7 @@ int QWindowsXPStyle::pixelMetric(PixelMetric pm, const QStyleOption *option, con
         break;
 
     case PM_SplitterWidth:
-        res = qMax(int(QStyleHelper::dpiScaled(5., option)),
-                   QApplication::globalStrut().width());
+        res = QStyleHelper::dpiScaled(5., option);
         break;
 
     case PM_MdiSubWindowMinimizedWidth:
diff --git a/src/widgets/dialogs/qmessagebox.cpp b/src/widgets/dialogs/qmessagebox.cpp
index 4e7a4a65e3..c24c553e23 100644
--- a/src/widgets/dialogs/qmessagebox.cpp
+++ b/src/widgets/dialogs/qmessagebox.cpp
@@ -182,12 +182,10 @@ public:
         const QFontMetrics fm = fontMetrics();
         opt.text = label(ShowLabel);
         QSize sz = fm.size(Qt::TextShowMnemonic, opt.text);
-        QSize ret = style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this).
-                      expandedTo(QApplication::globalStrut());
+        QSize ret = style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this);
         opt.text = label(HideLabel);
         sz = fm.size(Qt::TextShowMnemonic, opt.text);
-        ret = ret.expandedTo(style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this).
-                      expandedTo(QApplication::globalStrut()));
+        ret = ret.expandedTo(style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this));
         return ret;
     }
 };
diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 84e2fd72a9..bd79710b05 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -1570,8 +1570,7 @@ void QHeaderView::resetDefaultSectionSize()
     \brief the minimum size of the header sections.
 
     The minimum section size is the smallest section size allowed. If the
-    minimum section size is set to -1, QHeaderView will use the maximum of
-    the \l{QApplication::globalStrut()}{global strut} or the
+    minimum section size is set to -1, QHeaderView will use the
     \l{fontMetrics()}{font metrics} size.
 
     This property is honored by all \l{ResizeMode}{resize modes}.
@@ -1582,11 +1581,10 @@ int QHeaderView::minimumSectionSize() const
 {
     Q_D(const QHeaderView);
     if (d->minimumSectionSize == -1) {
-        QSize strut = QApplication::globalStrut();
         int margin = 2 * style()->pixelMetric(QStyle::PM_HeaderMargin, nullptr, this);
         if (d->orientation == Qt::Horizontal)
-            return qMax(strut.width(), (fontMetrics().maxWidth() + margin));
-        return qMax(strut.height(), (fontMetrics().height() + margin));
+            return fontMetrics().maxWidth() + margin;
+        return fontMetrics().height() + margin;
     }
     return d->minimumSectionSize;
 }
diff --git a/src/widgets/itemviews/qitemeditorfactory.cpp b/src/widgets/itemviews/qitemeditorfactory.cpp
index fe9b482122..b29fd373bc 100644
--- a/src/widgets/itemviews/qitemeditorfactory.cpp
+++ b/src/widgets/itemviews/qitemeditorfactory.cpp
@@ -577,8 +577,7 @@ void QExpandingLineEdit::updateMinimumWidth()
     QStyleOptionFrame opt;
     initStyleOption(&opt);
 
-    int minWidth = style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(width, 0).
-                                      expandedTo(QApplication::globalStrut()), this).width();
+    int minWidth = style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(width, 0), this).width();
     setMinimumWidth(minWidth);
 }
 
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 3f2c15b739..029be25620 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -350,7 +350,6 @@ QPointer<QWidget> QApplicationPrivate::wheel_widget;
 #endif
 bool qt_in_tab_key_event = false;
 int qt_antialiasing_threshold = -1;
-QSize QApplicationPrivate::app_strut = QSize(0,0); // no default application strut
 int QApplicationPrivate::enabledAnimations = QPlatformTheme::GeneralUiEffect;
 bool QApplicationPrivate::widgetCount = false;
 #ifdef QT_KEYPAD_NAVIGATION
@@ -741,7 +740,6 @@ QApplication::~QApplication()
 
     QApplicationPrivate::obey_desktop_settings = true;
 
-    QApplicationPrivate::app_strut = QSize(0, 0);
     QApplicationPrivate::enabledAnimations = QPlatformTheme::GeneralUiEffect;
     QApplicationPrivate::widgetCount = false;
 
@@ -1101,32 +1099,6 @@ QStyle* QApplication::setStyle(const QString& style)
     return s;
 }
 
-/*!
-    \property QApplication::globalStrut
-    \brief the minimum size that any GUI element that the user can interact
-           with should have
-    \deprecated
-
-    For example, no button should be resized to be smaller than the global
-    strut size. The strut size should be considered when reimplementing GUI
-    controls that may be used on touch-screens or similar I/O devices.
-
-    Example:
-
-    \snippet code/src_gui_kernel_qapplication.cpp 3
-
-    By default, this property contains a QSize object with zero width and height.
-*/
-QSize QApplication::globalStrut()
-{
-    return QApplicationPrivate::app_strut;
-}
-
-void QApplication::setGlobalStrut(const QSize& strut)
-{
-    QApplicationPrivate::app_strut = strut;
-}
-
 // Widget specific palettes
 QApplicationPrivate::PaletteHash QApplicationPrivate::widgetPalettes;
 
diff --git a/src/widgets/kernel/qapplication.h b/src/widgets/kernel/qapplication.h
index 594c7bbead..974c789e08 100644
--- a/src/widgets/kernel/qapplication.h
+++ b/src/widgets/kernel/qapplication.h
@@ -76,9 +76,6 @@ class Q_WIDGETS_EXPORT QApplication : public QGuiApplication
     Q_PROPERTY(int keyboardInputInterval READ keyboardInputInterval WRITE setKeyboardInputInterval)
 #if QT_CONFIG(wheelevent)
     Q_PROPERTY(int wheelScrollLines  READ wheelScrollLines WRITE setWheelScrollLines)
-#endif
-#if QT_DEPRECATED_SINCE(5, 15)
-    Q_PROPERTY(QSize globalStrut READ globalStrut WRITE setGlobalStrut)
 #endif
     Q_PROPERTY(int startDragTime  READ startDragTime WRITE setStartDragTime)
     Q_PROPERTY(int startDragDistance  READ startDragDistance WRITE setStartDragDistance)
@@ -142,10 +139,6 @@ public:
     static void setWheelScrollLines(int);
     static int wheelScrollLines();
 #endif
-#if QT_DEPRECATED_SINCE(5, 15)
-    static void setGlobalStrut(const QSize &);
-    static QSize globalStrut();
-#endif
 
     static void setStartDragTime(int ms);
     static int startDragTime();
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 45ac6712b4..cb2a620aa8 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -2938,7 +2938,7 @@ QRect QCommonStyle::subElementRect(SubElement sr, const QStyleOption *opt,
     case SE_TabBarScrollLeftButton: {
         const bool vertical = opt->rect.width() < opt->rect.height();
         const Qt::LayoutDirection ld = widget->layoutDirection();
-        const int buttonWidth = qMax(proxy()->pixelMetric(QStyle::PM_TabBarScrollButtonWidth, nullptr, widget), QApplication::globalStrut().width());
+        const int buttonWidth = proxy()->pixelMetric(QStyle::PM_TabBarScrollButtonWidth, nullptr, widget);
         const int buttonOverlap = proxy()->pixelMetric(QStyle::PM_TabBar_ScrollButtonOverlap, nullptr, widget);
 
         r = vertical ? QRect(0, opt->rect.height() - (buttonWidth * 2) + buttonOverlap, opt->rect.width(), buttonWidth)
@@ -2947,7 +2947,7 @@ QRect QCommonStyle::subElementRect(SubElement sr, const QStyleOption *opt,
     case SE_TabBarScrollRightButton: {
         const bool vertical = opt->rect.width() < opt->rect.height();
         const Qt::LayoutDirection ld = widget->layoutDirection();
-        const int buttonWidth = qMax(proxy()->pixelMetric(QStyle::PM_TabBarScrollButtonWidth, nullptr, widget), QApplication::globalStrut().width());
+        const int buttonWidth = proxy()->pixelMetric(QStyle::PM_TabBarScrollButtonWidth, nullptr, widget);
 
         r = vertical ? QRect(0, opt->rect.height() - buttonWidth, opt->rect.width(), buttonWidth)
             : QStyle::visualRect(ld, opt->rect, QRect(opt->rect.width() - buttonWidth, 0, buttonWidth, opt->rect.height()));
@@ -4192,7 +4192,6 @@ QRect QCommonStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex
             bs.setHeight(qMax(8, spinbox->rect.height()/2 - fw));
             // 1.6 -approximate golden mean
             bs.setWidth(qMax(16, qMin(bs.height() * 8 / 5, spinbox->rect.width() / 4)));
-            bs = bs.expandedTo(QApplication::globalStrut());
             int y = fw + spinbox->rect.y();
             int x, lx, rx;
             x = spinbox->rect.x() + spinbox->rect.width() - fw - bs.width();
@@ -4589,14 +4588,10 @@ int QCommonStyle::pixelMetric(PixelMetric m, const QStyleOption *opt, const QWid
 
 #if QT_CONFIG(scrollbar)
     case PM_ScrollBarExtent:
-        if (const QStyleOptionSlider *sb = qstyleoption_cast<const QStyleOptionSlider *>(opt)) {
-            int s = sb->orientation == Qt::Horizontal ?
-                    QApplication::globalStrut().height()
-                    : QApplication::globalStrut().width();
-            ret = qMax(16, s);
-        } else {
+        if (qstyleoption_cast<const QStyleOptionSlider *>(opt))
+            ret = 16;
+        else
             ret = int(QStyleHelper::dpiScaled(16, opt));
-        }
         break;
 #endif
     case PM_MaximumDragDistance:
diff --git a/src/widgets/styles/qwindowsstyle.cpp b/src/widgets/styles/qwindowsstyle.cpp
index e275e3a714..6c7ea3740e 100644
--- a/src/widgets/styles/qwindowsstyle.cpp
+++ b/src/widgets/styles/qwindowsstyle.cpp
@@ -481,7 +481,7 @@ int QWindowsStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QW
         break;
 
     case PM_SplitterWidth:
-        ret = qMax(int(QStyleHelper::dpiScaled(4, opt)), QApplication::globalStrut().width());
+        ret = QStyleHelper::dpiScaled(4, opt);
         break;
 
     default:
diff --git a/src/widgets/widgets/qabstractspinbox.cpp b/src/widgets/widgets/qabstractspinbox.cpp
index 04176ab5e2..8f9e06eeb8 100644
--- a/src/widgets/widgets/qabstractspinbox.cpp
+++ b/src/widgets/widgets/qabstractspinbox.cpp
@@ -924,8 +924,7 @@ QSize QAbstractSpinBox::sizeHint() const
         QStyleOptionSpinBox opt;
         initStyleOption(&opt);
         QSize hint(w, h);
-        d->cachedSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this)
-                            .expandedTo(QApplication::globalStrut());
+        d->cachedSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
     }
     return d->cachedSizeHint;
 }
@@ -966,8 +965,7 @@ QSize QAbstractSpinBox::minimumSizeHint() const
         initStyleOption(&opt);
         QSize hint(w, h);
 
-        d->cachedMinimumSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this)
-                                   .expandedTo(QApplication::globalStrut());
+        d->cachedMinimumSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
     }
     return d->cachedMinimumSizeHint;
 }
diff --git a/src/widgets/widgets/qcheckbox.cpp b/src/widgets/widgets/qcheckbox.cpp
index 81bfd3af35..b06ae82249 100644
--- a/src/widgets/widgets/qcheckbox.cpp
+++ b/src/widgets/widgets/qcheckbox.cpp
@@ -292,8 +292,7 @@ QSize QCheckBox::sizeHint() const
                                      text()).size();
     if (!opt.icon.isNull())
         sz = QSize(sz.width() + opt.iconSize.width() + 4, qMax(sz.height(), opt.iconSize.height()));
-    d->sizeHint = (style()->sizeFromContents(QStyle::CT_CheckBox, &opt, sz, this)
-                  .expandedTo(QApplication::globalStrut()));
+    d->sizeHint = style()->sizeFromContents(QStyle::CT_CheckBox, &opt, sz, this);
     return d->sizeHint;
 }
 
diff --git a/src/widgets/widgets/qcombobox.cpp b/src/widgets/widgets/qcombobox.cpp
index 8f195381e4..a854ce2cb8 100644
--- a/src/widgets/widgets/qcombobox.cpp
+++ b/src/widgets/widgets/qcombobox.cpp
@@ -439,7 +439,7 @@ QSize QComboBoxPrivate::recomputeSizeHint(QSize &sh) const
         q->initStyleOption(&opt);
         sh = q->style()->sizeFromContents(QStyle::CT_ComboBox, &opt, sh, q);
     }
-    return sh.expandedTo(QApplication::globalStrut());
+    return sh;
 }
 
 void QComboBoxPrivate::adjustComboBoxSize()
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index 16705be1ff..f1db87f414 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -1051,8 +1051,7 @@ QSize QDateTimeEdit::sizeHint() const
         {
             QStyleOptionSpinBox opt;
             initStyleOption(&opt);
-            d->cachedSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this)
-                                .expandedTo(QApplication::globalStrut());
+            d->cachedSizeHint = style()->sizeFromContents(QStyle::CT_SpinBox, &opt, hint, this);
         }
 
         d->cachedMinimumSizeHint = d->cachedSizeHint;
diff --git a/src/widgets/widgets/qdial.cpp b/src/widgets/widgets/qdial.cpp
index 25d57970bf..7dd469faae 100644
--- a/src/widgets/widgets/qdial.cpp
+++ b/src/widgets/widgets/qdial.cpp
@@ -464,7 +464,7 @@ QSize QDial::minimumSizeHint() const
 
 QSize QDial::sizeHint() const
 {
-    return QSize(100, 100).expandedTo(QApplication::globalStrut());
+    return QSize(100, 100);
 }
 
 /*!
diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
index 055412528f..8b8a6b3208 100644
--- a/src/widgets/widgets/qlineedit.cpp
+++ b/src/widgets/widgets/qlineedit.cpp
@@ -703,8 +703,7 @@ QSize QLineEdit::sizeHint() const
             + d->leftmargin + d->rightmargin; // "some"
     QStyleOptionFrame opt;
     initStyleOption(&opt);
-    return (style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h).
-                                      expandedTo(QApplication::globalStrut()), this));
+    return style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h), this);
 }
 
 
@@ -728,8 +727,7 @@ QSize QLineEdit::minimumSizeHint() const
             + d->leftmargin + d->rightmargin;
     QStyleOptionFrame opt;
     initStyleOption(&opt);
-    return (style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h).
-                                      expandedTo(QApplication::globalStrut()), this));
+    return style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h), this);
 }
 
 
diff --git a/src/widgets/widgets/qmdiarea.cpp b/src/widgets/widgets/qmdiarea.cpp
index da6eb47372..713c5f3d75 100644
--- a/src/widgets/widgets/qmdiarea.cpp
+++ b/src/widgets/widgets/qmdiarea.cpp
@@ -1751,7 +1751,7 @@ QSize QMdiArea::sizeHint() const
             continue;
         size = size.expandedTo(child->sizeHint());
     }
-    return size.expandedTo(QApplication::globalStrut());
+    return size;
 }
 
 /*!
@@ -1770,7 +1770,7 @@ QSize QMdiArea::minimumSizeHint() const
             size = size.expandedTo(child->minimumSizeHint());
         }
     }
-    return size.expandedTo(QApplication::globalStrut());
+    return size;
 }
 
 /*!
diff --git a/src/widgets/widgets/qmdisubwindow.cpp b/src/widgets/widgets/qmdisubwindow.cpp
index f8460a4718..f68f46a7f1 100644
--- a/src/widgets/widgets/qmdisubwindow.cpp
+++ b/src/widgets/widgets/qmdisubwindow.cpp
@@ -3516,7 +3516,7 @@ QSize QMdiSubWindow::minimumSizeHint() const
     minHeight = qMax(minHeight, decorationHeight + sizeGripHeight);
 #endif
 
-    return QSize(minWidth, minHeight).expandedTo(QApplication::globalStrut());
+    return QSize(minWidth, minHeight);
 }
 
 QT_END_NAMESPACE
diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp
index 31a7ad8695..86bc3d69be 100644
--- a/src/widgets/widgets/qmenu.cpp
+++ b/src/widgets/widgets/qmenu.cpp
@@ -307,7 +307,7 @@ QPlatformMenuItem * QMenuPrivate::insertActionInPlatformMenu(const QAction *acti
 int QMenuPrivate::scrollerHeight() const
 {
     Q_Q(const QMenu);
-    return qMax(QApplication::globalStrut().height(), q->style()->pixelMetric(QStyle::PM_MenuScrollerHeight, nullptr, q));
+    return q->style()->pixelMetric(QStyle::PM_MenuScrollerHeight, nullptr, q);
 }
 
 // Windows and KDE allow menus to cover the taskbar, while GNOME and macOS
@@ -476,7 +476,7 @@ void QMenuPrivate::updateActionRects(const QRect &screen) const
 
     max_column_width += tabWidth; //finally add in the tab width
     if (!tornoff || (tornoff && scroll)) { // exclude non-scrollable tear-off menu since the tear-off menu has a fixed size
-        const int sfcMargin = style->sizeFromContents(QStyle::CT_Menu, &opt, QApplication::globalStrut(), q).width() - QApplication::globalStrut().width();
+        const int sfcMargin = style->sizeFromContents(QStyle::CT_Menu, &opt, QSize(0, 0), q).width();
         const int min_column_width = q->minimumWidth() - (sfcMargin + leftmargin + rightmargin + 2 * (fw + hmargin));
         max_column_width = qMax(min_column_width, max_column_width);
     }
@@ -2308,8 +2308,7 @@ QSize QMenu::sizeHint() const
     s.rwidth() += style()->pixelMetric(QStyle::PM_MenuHMargin, &opt, this) + fw + d->rightmargin;
     s.rheight() += style()->pixelMetric(QStyle::PM_MenuVMargin, &opt, this) + fw + d->bottommargin;
 
-    return style()->sizeFromContents(QStyle::CT_Menu, &opt,
-                                    s.expandedTo(QApplication::globalStrut()), this);
+    return style()->sizeFromContents(QStyle::CT_Menu, &opt, s, this);
 }
 
 /*!
diff --git a/src/widgets/widgets/qmenubar.cpp b/src/widgets/widgets/qmenubar.cpp
index c8124468df..9122273d0d 100644
--- a/src/widgets/widgets/qmenubar.cpp
+++ b/src/widgets/widgets/qmenubar.cpp
@@ -1654,9 +1654,7 @@ QSize QMenuBar::minimumSizeHint() const
         opt.menuItemType = QStyleOptionMenuItem::Normal;
         opt.checkType = QStyleOptionMenuItem::NotCheckable;
         opt.palette = palette();
-        return (style()->sizeFromContents(QStyle::CT_MenuBar, &opt,
-                                         ret.expandedTo(QApplication::globalStrut()),
-                                         this));
+        return style()->sizeFromContents(QStyle::CT_MenuBar, &opt, ret, this);
     }
     return ret;
 }
@@ -1707,9 +1705,7 @@ QSize QMenuBar::sizeHint() const
         opt.menuItemType = QStyleOptionMenuItem::Normal;
         opt.checkType = QStyleOptionMenuItem::NotCheckable;
         opt.palette = palette();
-        return (style()->sizeFromContents(QStyle::CT_MenuBar, &opt,
-                                         ret.expandedTo(QApplication::globalStrut()),
-                                         this));
+        return style()->sizeFromContents(QStyle::CT_MenuBar, &opt, ret, this);
     }
     return ret;
 }
diff --git a/src/widgets/widgets/qpushbutton.cpp b/src/widgets/widgets/qpushbutton.cpp
index 3d075bf92f..bb2848aa43 100644
--- a/src/widgets/widgets/qpushbutton.cpp
+++ b/src/widgets/widgets/qpushbutton.cpp
@@ -427,8 +427,7 @@ QSize QPushButton::sizeHint() const
     if (menu())
         w += style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, this);
 #endif
-    d->sizeHint = (style()->sizeFromContents(QStyle::CT_PushButton, &opt, QSize(w, h), this).
-                  expandedTo(QApplication::globalStrut()));
+    d->sizeHint = style()->sizeFromContents(QStyle::CT_PushButton, &opt, QSize(w, h), this);
     return d->sizeHint;
 }
 
diff --git a/src/widgets/widgets/qradiobutton.cpp b/src/widgets/widgets/qradiobutton.cpp
index fd8922ed28..103f3ac441 100644
--- a/src/widgets/widgets/qradiobutton.cpp
+++ b/src/widgets/widgets/qradiobutton.cpp
@@ -195,8 +195,7 @@ QSize QRadioButton::sizeHint() const
                                      false, text()).size();
     if (!opt.icon.isNull())
         sz = QSize(sz.width() + opt.iconSize.width() + 4, qMax(sz.height(), opt.iconSize.height()));
-    d->sizeHint = (style()->sizeFromContents(QStyle::CT_RadioButton, &opt, sz, this).
-                  expandedTo(QApplication::globalStrut()));
+    d->sizeHint = style()->sizeFromContents(QStyle::CT_RadioButton, &opt, sz, this);
     return d->sizeHint;
 }
 
diff --git a/src/widgets/widgets/qscrollbar.cpp b/src/widgets/widgets/qscrollbar.cpp
index 2ce1d50c86..188ee7c25c 100644
--- a/src/widgets/widgets/qscrollbar.cpp
+++ b/src/widgets/widgets/qscrollbar.cpp
@@ -448,8 +448,7 @@ QSize QScrollBar::sizeHint() const
     else
         size = QSize(scrollBarExtent, scrollBarExtent * 2 + scrollBarSliderMin);
 
-    return style()->sizeFromContents(QStyle::CT_ScrollBar, &opt, size, this)
-        .expandedTo(QApplication::globalStrut());
+    return style()->sizeFromContents(QStyle::CT_ScrollBar, &opt, size, this);
  }
 
 /*!\reimp */
diff --git a/src/widgets/widgets/qsizegrip.cpp b/src/widgets/widgets/qsizegrip.cpp
index 95a4beeb57..68fd3ddce1 100644
--- a/src/widgets/widgets/qsizegrip.cpp
+++ b/src/widgets/widgets/qsizegrip.cpp
@@ -230,8 +230,7 @@ QSize QSizeGrip::sizeHint() const
 {
     QStyleOption opt(0);
     opt.init(this);
-    return (style()->sizeFromContents(QStyle::CT_SizeGrip, &opt, QSize(13, 13), this).
-            expandedTo(QApplication::globalStrut()));
+    return style()->sizeFromContents(QStyle::CT_SizeGrip, &opt, QSize(13, 13), this);
 }
 
 /*!
diff --git a/src/widgets/widgets/qslider.cpp b/src/widgets/widgets/qslider.cpp
index 161e4ba27a..7008da32b5 100644
--- a/src/widgets/widgets/qslider.cpp
+++ b/src/widgets/widgets/qslider.cpp
@@ -472,7 +472,7 @@ QSize QSlider::sizeHint() const
         w = SliderLength;
         h = thick;
     }
-    return style()->sizeFromContents(QStyle::CT_Slider, &opt, QSize(w, h), this).expandedTo(QApplication::globalStrut());
+    return style()->sizeFromContents(QStyle::CT_Slider, &opt, QSize(w, h), this);
 }
 
 /*!
diff --git a/src/widgets/widgets/qsplitter.cpp b/src/widgets/widgets/qsplitter.cpp
index 090aa5cc8b..f0ea068edd 100644
--- a/src/widgets/widgets/qsplitter.cpp
+++ b/src/widgets/widgets/qsplitter.cpp
@@ -230,8 +230,7 @@ QSize QSplitterHandle::sizeHint() const
     QStyleOption opt(0);
     opt.init(d->s);
     opt.state = QStyle::State_None;
-    return parentWidget()->style()->sizeFromContents(QStyle::CT_Splitter, &opt, QSize(hw, hw), d->s)
-        .expandedTo(QApplication::globalStrut());
+    return parentWidget()->style()->sizeFromContents(QStyle::CT_Splitter, &opt, QSize(hw, hw), d->s);
 }
 
 /*!
diff --git a/src/widgets/widgets/qtabbar.cpp b/src/widgets/widgets/qtabbar.cpp
index 2cfae39b2a..57339ebd74 100644
--- a/src/widgets/widgets/qtabbar.cpp
+++ b/src/widgets/widgets/qtabbar.cpp
@@ -1502,8 +1502,7 @@ QSize QTabBar::sizeHint() const
         if (d->tabList.at(i).visible)
             r = r.united(d->tabList.at(i).maxRect);
     }
-    QSize sz = QApplication::globalStrut();
-    return r.size().expandedTo(sz);
+    return r.size();
 }
 
 /*!\reimp
@@ -1519,7 +1518,7 @@ QSize QTabBar::minimumSizeHint() const
             if (d->tabList.at(i).visible)
                 r = r.united(d->tabList.at(i).minRect);
         }
-        return r.size().expandedTo(QApplication::globalStrut());
+        return r.size();
     }
     if (verticalTabs(d->shape))
         return QSize(sizeHint().width(), d->rightB->sizeHint().height() * 2 + 75);
diff --git a/src/widgets/widgets/qtabwidget.cpp b/src/widgets/widgets/qtabwidget.cpp
index a19dacda52..8885610e26 100644
--- a/src/widgets/widgets/qtabwidget.cpp
+++ b/src/widgets/widgets/qtabwidget.cpp
@@ -904,8 +904,7 @@ QSize QTabWidget::sizeHint() const
 
     QSize sz = basicSize(d->pos == North || d->pos == South, lc, rc, s, t);
 
-    return style()->sizeFromContents(QStyle::CT_TabWidget, &opt, sz, this)
-                    .expandedTo(QApplication::globalStrut());
+    return style()->sizeFromContents(QStyle::CT_TabWidget, &opt, sz, this);
 }
 
 
@@ -938,8 +937,7 @@ QSize QTabWidget::minimumSizeHint() const
     initStyleOption(&opt);
     opt.palette = palette();
     opt.state = QStyle::State_None;
-    return style()->sizeFromContents(QStyle::CT_TabWidget, &opt, sz, this)
-                    .expandedTo(QApplication::globalStrut());
+    return style()->sizeFromContents(QStyle::CT_TabWidget, &opt, sz, this);
 }
 
 /*!
@@ -953,8 +951,7 @@ int QTabWidget::heightForWidth(int width) const
     opt.state = QStyle::State_None;
 
     QSize zero(0,0);
-    const QSize padding = style()->sizeFromContents(QStyle::CT_TabWidget, &opt, zero, this)
-                                  .expandedTo(QApplication::globalStrut());
+    const QSize padding = style()->sizeFromContents(QStyle::CT_TabWidget, &opt, zero, this);
 
     QSize lc(0, 0), rc(0, 0);
     if (d->leftCornerWidget)
@@ -984,7 +981,7 @@ int QTabWidget::heightForWidth(int width) const
     QSize s(stackWidth, stackHeight);
 
     QSize contentSize = basicSize(tabIsHorizontal, lc, rc, s, t);
-    return (contentSize + padding).expandedTo(QApplication::globalStrut()).height();
+    return (contentSize + padding).height();
 }
 
 
diff --git a/src/widgets/widgets/qtoolbox.cpp b/src/widgets/widgets/qtoolbox.cpp
index 4767394842..5500104afb 100644
--- a/src/widgets/widgets/qtoolbox.cpp
+++ b/src/widgets/widgets/qtoolbox.cpp
@@ -189,8 +189,7 @@ QSize QToolBoxButton::sizeHint() const
     }
     QSize textSize = fontMetrics().size(Qt::TextShowMnemonic, text()) + QSize(0, 8);
 
-    QSize total(iconSize.width() + textSize.width(), qMax(iconSize.height(), textSize.height()));
-    return total.expandedTo(QApplication::globalStrut());
+    return QSize(iconSize.width() + textSize.width(), qMax(iconSize.height(), textSize.height()));
 }
 
 QSize QToolBoxButton::minimumSizeHint() const
diff --git a/src/widgets/widgets/qtoolbutton.cpp b/src/widgets/widgets/qtoolbutton.cpp
index cfa4782d78..410c326d51 100644
--- a/src/widgets/widgets/qtoolbutton.cpp
+++ b/src/widgets/widgets/qtoolbutton.cpp
@@ -369,8 +369,7 @@ QSize QToolButton::sizeHint() const
     if (d->popupMode == MenuButtonPopup)
         w += style()->pixelMetric(QStyle::PM_MenuButtonIndicator, &opt, this);
 
-    d->sizeHint = style()->sizeFromContents(QStyle::CT_ToolButton, &opt, QSize(w, h), this).
-                  expandedTo(QApplication::globalStrut());
+    d->sizeHint = style()->sizeFromContents(QStyle::CT_ToolButton, &opt, QSize(w, h), this);
     return d->sizeHint;
 }
 
diff --git a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
index 7da56ab797..4556101a6f 100644
--- a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
+++ b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
@@ -3337,8 +3337,8 @@ void tst_QTreeWidget::task239150_editorWidth()
 
     QStyleOptionFrame opt;
     opt.init(&tree);
-    const int minWidth = tree.style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(0, 0).
-        expandedTo(QApplication::globalStrut()), nullptr).width();
+    const int minWidth = tree.style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(0, 0)
+                                                        , nullptr).width();
 
     {
         QTreeWidgetItem item;
diff --git a/tests/auto/widgets/kernel/qapplication/tst_qapplication.cpp b/tests/auto/widgets/kernel/qapplication/tst_qapplication.cpp
index 9ab7e4e315..59ea12ce70 100644
--- a/tests/auto/widgets/kernel/qapplication/tst_qapplication.cpp
+++ b/tests/auto/widgets/kernel/qapplication/tst_qapplication.cpp
@@ -2207,8 +2207,6 @@ void tst_QApplication::staticFunctions()
     QApplication::setActiveWindow(nullptr);
     QApplication::widgetAt(QPoint(0, 0));
     QApplication::topLevelAt(QPoint(0, 0));
-    QApplication::setGlobalStrut(QSize(0, 0));
-    QApplication::globalStrut();
     QApplication::isEffectEnabled(Qt::UI_General);
     QApplication::setEffectEnabled(Qt::UI_General, false);
 }
diff --git a/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp b/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
index 352a6314f3..068742f33f 100644
--- a/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
+++ b/tests/auto/widgets/widgets/qmdiarea/tst_qmdiarea.cpp
@@ -886,7 +886,7 @@ void tst_QMdiArea::minimumSizeHint()
     QAbstractScrollArea dummyScrollArea;
     dummyScrollArea.setFrameStyle(QFrame::NoFrame);
     expectedSize = expectedSize.expandedTo(dummyScrollArea.minimumSizeHint());
-    QCOMPARE(workspace.minimumSizeHint(), expectedSize.expandedTo(qApp->globalStrut()));
+    QCOMPARE(workspace.minimumSizeHint(), expectedSize);
 
     QWidget *window = workspace.addSubWindow(new QWidget);
     qApp->processEvents();
@@ -908,7 +908,7 @@ void tst_QMdiArea::sizeHint()
     workspace.show();
     QSize desktopSize = QApplication::desktop()->size();
     QSize expectedSize(desktopSize.width() * 2/3, desktopSize.height() * 2/3);
-    QCOMPARE(workspace.sizeHint(), expectedSize.expandedTo(qApp->globalStrut()));
+    QCOMPARE(workspace.sizeHint(), expectedSize);
 
     QWidget *window = workspace.addSubWindow(new QWidget);
     qApp->processEvents();
diff --git a/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp b/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
index 1c19bf96d6..dfba506cf9 100644
--- a/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
+++ b/tests/auto/widgets/widgets/qmdisubwindow/tst_qmdisubwindow.cpp
@@ -255,25 +255,33 @@ void tst_QMdiSubWindow::sizeHint()
 
 void tst_QMdiSubWindow::minimumSizeHint()
 {
-    const auto globalStrut = QApplication::globalStrut();
+    class Widget : public QWidget
+    {
+    public:
+        Widget() = default;
+
+        QSize minimumSizeHint() const
+        {
+            return QSize(100, 100);
+        }
+
+    };
     QMdiSubWindow window;
     window.setWindowTitle(QLatin1String(QTest::currentTestFunction()));
     window.show();
 
-    QCOMPARE(window.minimumSizeHint(), globalStrut);
+    QCOMPARE(window.minimumSizeHint(), QSize(0, 0));
 
     window.setWidget(new QWidget);
-    QCOMPARE(window.minimumSizeHint(), window.layout()->minimumSize()
-                                       .expandedTo(globalStrut));
+    QCOMPARE(window.minimumSizeHint(), window.layout()->minimumSize());
 
     delete window.widget();
     delete window.layout();
-    window.setWidget(new QWidget);
-    QCOMPARE(window.minimumSizeHint(), globalStrut);
+    window.setWidget(new Widget);
+    QCOMPARE(window.minimumSizeHint(), QSize(0, 0));
 
     window.widget()->show();
-    QCOMPARE(window.minimumSizeHint(), window.widget()->minimumSizeHint()
-                                       .expandedTo(globalStrut));
+    QCOMPARE(window.minimumSizeHint(), window.widget()->minimumSizeHint());
 }
 
 void tst_QMdiSubWindow::minimumSize()
diff --git a/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp b/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
index c07961f867..9ee239aceb 100644
--- a/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
+++ b/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
@@ -974,8 +974,7 @@ void tst_QMenu::menuSizeHint()
 
     QSize resSize = QSize(result.x(), result.y()) + result.size() + QSize(hmargin + cm.right() + panelWidth, vmargin + cm.top() + panelWidth);
 
-    resSize = menu.style()->sizeFromContents(QStyle::CT_Menu, &opt,
-                                    resSize.expandedTo(QApplication::globalStrut()), &menu);
+    resSize = menu.style()->sizeFromContents(QStyle::CT_Menu, &opt, resSize, &menu);
 
     QCOMPARE(resSize, menu.sizeHint());
 }
diff --git a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
index 90e89ff1d5..1638ac846f 100644
--- a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
+++ b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
@@ -1416,10 +1416,7 @@ void tst_QMenuBar::menubarSizeHint()
     QSize resSize = QSize(result.x(), result.y()) + result.size()
         + QSize(panelWidth + hmargin, panelWidth + vmargin);
 
-
-    resSize = style.sizeFromContents(QStyle::CT_MenuBar, &opt,
-                                         resSize.expandedTo(QApplication::globalStrut()),
-                                         &mb);
+    resSize = style.sizeFromContents(QStyle::CT_MenuBar, &opt, resSize, &mb);
 
     QCOMPARE(resSize, mb.sizeHint());
 }