diff --git a/qt5/style/qtcurve.cpp b/qt5/style/qtcurve.cpp
--- a/qt5/style/qtcurve.cpp
+++ b/qt5/style/qtcurve.cpp
@@ -4311,7 +4311,7 @@
         QApplication::setFont(mnu, "QMenuBar");
         QApplication::setFont(mnu, "QMenu");
         QApplication::setFont(mnu, "KPopupTitle");
-        QApplication::setFont(KGlobalSettings::toolBarFont(), "QToolBar");
+        QApplication::setFont(g.readEntry("toolBarFont", QApplication::font()), "QToolBar");
     }
 }
 #endif
diff --git a/qt5/style/qtcurve_api.cpp b/qt5/style/qtcurve_api.cpp
--- a/qt5/style/qtcurve_api.cpp
+++ b/qt5/style/qtcurve_api.cpp
@@ -2570,7 +2570,7 @@
                 }
 #ifdef QTC_QT5_ENABLE_KDE
                 if (opts.dwtSettings & DWT_FONT_AS_PER_TITLEBAR) {
-                    painter->setFont(KGlobalSettings::windowTitleFont());
+                    painter->setFont(QFontDatabase::systemFont(QFontDatabase::TitleFont));
                 }
 #endif
                 QFontMetrics fm(painter->fontMetrics());
@@ -5560,7 +5560,7 @@
                 font.setBold(true);
                 painter->setFont(font);
 #else
-                painter->setFont(KGlobalSettings::windowTitleFont());
+                painter->setFont(QFontDatabase::systemFont(QFontDatabase::TitleFont));
 #endif
 
                 QFontMetrics fm(painter->fontMetrics());