diff --git a/src/lib/bookmarks/bookmarkstoolbarbutton.cpp b/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
index 4dc078c80..bfd125322 100644
--- a/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
+++ b/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
@@ -29,6 +29,7 @@
 #include <QStyleOptionButton>
 #include <QDrag>
 #include <QMimeData>
+#include <QtGuiVersion>
 
 #define MAX_WIDTH 150
 #define SEPARATOR_WIDTH 8
@@ -92,7 +93,11 @@ QSize BookmarksToolbarButton::sizeHint() const
         width = SEPARATOR_WIDTH;
     }
     else if (!m_showOnlyIcon) {
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+        width += PADDING * 2 + fontMetrics().horizontalAdvance(m_bookmark->title());
+#else
         width += PADDING * 2 + fontMetrics().width(m_bookmark->title());
+#endif
 
         if (menu()) {
             width += PADDING + 8;
diff --git a/src/lib/navigation/completer/locationcompleterdelegate.cpp b/src/lib/navigation/completer/locationcompleterdelegate.cpp
index 9d2499f9a..79d80f33a 100644
--- a/src/lib/navigation/completer/locationcompleterdelegate.cpp
+++ b/src/lib/navigation/completer/locationcompleterdelegate.cpp
@@ -29,6 +29,7 @@
 #include <QApplication>
 #include <QMouseEvent>
 #include <QTextLayout>
+#include <QtGuiVersion>
 
 LocationCompleterDelegate::LocationCompleterDelegate(QObject *parent)
     : QStyledItemDelegate(parent)
@@ -141,7 +142,11 @@ void LocationCompleterDelegate::paint(QPainter* painter, const QStyleOptionViewI
     leftPosition += m_padding * 2;
 
     // Trim link to maximum number of characters that can be visible, otherwise there may be perf issue with huge URLs
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    const int maxChars = (opt.rect.width() - leftPosition) / opt.fontMetrics.horizontalAdvance(QL1C('i'));
+#else
     const int maxChars = (opt.rect.width() - leftPosition) / opt.fontMetrics.width(QL1C('i'));
+#endif
     QString link;
     const QByteArray linkArray = index.data(Qt::DisplayRole).toByteArray();
     if (!linkArray.startsWith("data") && !linkArray.startsWith("javascript")) {
@@ -171,7 +176,11 @@ void LocationCompleterDelegate::paint(QPainter* painter, const QStyleOptionViewI
     // Draw separator
     if (!link.isEmpty()) {
         QChar separator = QL1C('-');
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+        QRect separatorRect(leftPosition, center - linkMetrics.height() / 2, linkMetrics.horizontalAdvance(separator), linkMetrics.height());
+#else
         QRect separatorRect(leftPosition, center - linkMetrics.height() / 2, linkMetrics.width(separator), linkMetrics.height());
+#endif
         style->drawItemText(painter, separatorRect, Qt::AlignCenter, textPalette, true, separator, colorRole);
         leftPosition += separatorRect.width() + m_padding * 2;
     }
diff --git a/src/lib/tabwidget/combotabbar.cpp b/src/lib/tabwidget/combotabbar.cpp
index 8a309072d..155773d36 100644
--- a/src/lib/tabwidget/combotabbar.cpp
+++ b/src/lib/tabwidget/combotabbar.cpp
@@ -36,6 +36,7 @@
 #include <QMouseEvent>
 #include <QApplication>
 #include <QToolTip>
+#include <QtGuiVersion>
 
 class QMovableTabWidget : public QWidget
 {
@@ -1085,7 +1086,11 @@ QPixmap TabBarHelper::tabPixmap(int index) const
     }
 
     if (closeButton) {
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+        const int width = tab.fontMetrics.horizontalAdvance(tab.text) + closeButton->width();
+#else
         const int width = tab.fontMetrics.width(tab.text) + closeButton->width();
+#endif
         tab.text = tab.fontMetrics.elidedText(tabText(index), Qt::ElideRight, width);
     }
 
diff --git a/src/lib/tools/listitemdelegate.cpp b/src/lib/tools/listitemdelegate.cpp
index 94dbd6f43..234b5fa83 100644
--- a/src/lib/tools/listitemdelegate.cpp
+++ b/src/lib/tools/listitemdelegate.cpp
@@ -21,6 +21,7 @@
 
 #include <QApplication>
 #include <QPainter>
+#include <QtGuiVersion>
 
 ListItemDelegate::ListItemDelegate(int iconSize, QWidget* parent)
     : QStyledItemDelegate(parent)
@@ -114,8 +115,11 @@ QSize ListItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QMode
             p->setFixedHeight(m_itemHeight + 2 * frameWidth);
         }
     }
-
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    int width = 2 * m_padding + option.fontMetrics.horizontalAdvance(index.data(Qt::DisplayRole).toString());
+#else
     int width = 2 * m_padding + option.fontMetrics.width(index.data(Qt::DisplayRole).toString());
+#endif
     width = width > (m_iconSize + 2 * m_padding) ? width : m_iconSize + 2 * m_padding;
 
     if (m_uniformItemSizes) {
diff --git a/src/lib/tools/qztools.cpp b/src/lib/tools/qztools.cpp
index a24f07741..4f05084a1 100644
--- a/src/lib/tools/qztools.cpp
+++ b/src/lib/tools/qztools.cpp
@@ -41,6 +41,7 @@
 #include <QProcess>
 #include <QMessageBox>
 #include <QUrlQuery>
+#include <QtGuiVersion>
 
 #ifdef QZ_WS_X11
 #include <QX11Info>
@@ -395,7 +396,11 @@ QPixmap QzTools::createPixmapForSite(const QIcon &icon, const QString &title, co
 {
     const QFontMetrics fontMetrics = QApplication::fontMetrics();
     const int padding = 4;
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    const int maxWidth = fontMetrics.horizontalAdvance(title.length() > url.length() ? title : url) + 3 * padding + 16;
+#else
     const int maxWidth = fontMetrics.width(title.length() > url.length() ? title : url) + 3 * padding + 16;
+#endif
     const int width = qMin(maxWidth, 150);
     const int height = fontMetrics.height() * 2 + fontMetrics.leading() + 2 * padding;
 
diff --git a/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp b/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
index a7decfda3..bbe564570 100644
--- a/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
+++ b/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
@@ -23,6 +23,7 @@
 #include <QPainter>
 #include <QListWidget>
 #include <QApplication>
+#include <QtGuiVersion>
 
 GM_SettingsListDelegate::GM_SettingsListDelegate(QObject* parent)
     : QStyledItemDelegate(parent)
@@ -110,7 +111,11 @@ void GM_SettingsListDelegate::paint(QPainter* painter, const QStyleOptionViewIte
     const QString name = index.data(Qt::DisplayRole).toString();
     const int leftTitleEdge = leftPosition + 2;
     const int rightTitleEdge = rightPosition - m_padding;
+#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
+    const int leftPosForVersion = titleMetrics.horizontalAdvance(name) + m_padding;
+#else
     const int leftPosForVersion = titleMetrics.width(name) + m_padding;
+#endif
     QRect nameRect(leftTitleEdge, opt.rect.top() + m_padding, rightTitleEdge - leftTitleEdge, titleMetrics.height());
     painter->setFont(titleFont);
     style->drawItemText(painter, nameRect, Qt::AlignLeft, textPalette, true, name, colorRole);