diff --git a/src/notifications/ManagerLinux.cpp b/src/notifications/ManagerLinux.cpp
index 598b2bd0c3725c12b51cfeeba6c3bd8d31caf092..2809de87ac6e0ebade8502e400e149d0c3e4cb52 100644
--- a/src/notifications/ManagerLinux.cpp
+++ b/src/notifications/ManagerLinux.cpp
@@ -295,12 +295,9 @@ operator<<(QDBusArgument &arg, const QImage &image)
         int channels = i.isGrayscale() ? 1 : (i.hasAlphaChannel() ? 4 : 3);
         arg << i.depth() / channels;
         arg << channels;
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-        arg << QByteArray(reinterpret_cast<const char *>(i.bits()), i.byteCount());
-#else
         arg << QByteArray(reinterpret_cast<const char *>(i.bits()), i.sizeInBytes());
-#endif
         arg.endStructure();
+
         return arg;
 }
 
diff --git a/src/ui/InfoMessage.cpp b/src/ui/InfoMessage.cpp
index fb3b306a0ffb76d942733a76628d66abba7e8d10..ebe0e63fb19e57d64bd301309844be9931bd3303 100644
--- a/src/ui/InfoMessage.cpp
+++ b/src/ui/InfoMessage.cpp
@@ -29,13 +29,7 @@ InfoMessage::InfoMessage(QString msg, QWidget *parent)
         initFont();
 
         QFontMetrics fm{font()};
-#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
-        // width deprecated in 5.13
-        width_ = fm.width(msg_) + HPadding * 2;
-#else
-        width_ = fm.horizontalAdvance(msg_) + HPadding * 2;
-#endif
-
+        width_  = fm.horizontalAdvance(msg_) + HPadding * 2;
         height_ = fm.ascent() + 2 * VPadding;
 
         setFixedHeight(height_ + 2 * HMargin);
@@ -77,12 +71,7 @@ DateSeparator::DateSeparator(QDateTime datetime, QWidget *parent)
         msg_ = datetime.date().toString(fmt);
 
         QFontMetrics fm{font()};
-#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
-        // width deprecated in 5.13
-        width_ = fm.width(msg_) + HPadding * 2;
-#else
-        width_ = fm.horizontalAdvance(msg_) + HPadding * 2;
-#endif
+        width_  = fm.horizontalAdvance(msg_) + HPadding * 2;
         height_ = fm.ascent() + 2 * VPadding;
 
         setFixedHeight(height_ + 2 * HMargin);
diff --git a/src/ui/Painter.h b/src/ui/Painter.h
index 3353f0c76cbbfa141f9b4ced6e8dd844d6098b57..9f97411676c203aca97244a4068b755245198099 100644
--- a/src/ui/Painter.h
+++ b/src/ui/Painter.h
@@ -27,12 +27,7 @@ public:
         {
                 QFontMetrics m(fontMetrics());
                 if (textWidth < 0) {
-#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
-                        // deprecated in 5.13:
-                        textWidth = m.width(text);
-#else
                         textWidth = m.horizontalAdvance(text);
-#endif
                 }
                 drawText((outerw - x - textWidth), y + m.ascent(), text);
         }