diff --git a/src/widgets/styles/qfusionstyle.cpp b/src/widgets/styles/qfusionstyle.cpp
index 5978140f6c..e9e1f349c5 100644
--- a/src/widgets/styles/qfusionstyle.cpp
+++ b/src/widgets/styles/qfusionstyle.cpp
@@ -2385,8 +2385,7 @@ void QFusionStyle::drawComplexControl(ComplexControl control, const QStyleOption
                     if (!titleBar->icon.isNull()) {
                         titleBar->icon.paint(painter, iconRect);
                     } else {
-                        QStyleOption tool(0);
-                        tool.palette = titleBar->palette;
+                        QStyleOption tool = *titleBar;
                         QPixmap pm = proxy()->standardIcon(SP_TitleBarMenuButton, &tool, widget).pixmap(16, 16);
                         tool.rect = iconRect;
                         painter->save();
diff --git a/src/widgets/styles/qgtkstyle.cpp b/src/widgets/styles/qgtkstyle.cpp
index 7ed0dce91d..8597e7c20c 100644
--- a/src/widgets/styles/qgtkstyle.cpp
+++ b/src/widgets/styles/qgtkstyle.cpp
@@ -1765,8 +1765,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                     if (!titleBar->icon.isNull()) {
                         titleBar->icon.paint(painter, iconRect);
                     } else {
-                        QStyleOption tool(0);
-                        tool.palette = titleBar->palette;
+                        QStyleOption tool = *titleBar;
                         QPixmap pm = proxy()->standardIcon(SP_TitleBarMenuButton, &tool, widget).pixmap(16, 16);
                         tool.rect = iconRect;
                         painter->save();
@@ -2071,9 +2070,7 @@ void QGtkStyle::drawComplexControl(ComplexControl control, const QStyleOptionCom
                     mflags |= State_MouseOver;
             }
 
-            QStyleOption tool(0);
-
-            tool.palette = toolbutton->palette;
+            QStyleOption tool = *toolbutton;
 
             if (toolbutton->subControls & SC_ToolButton) {
                 if (bflags & (State_Sunken | State_On | State_Raised | State_MouseOver)) {
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index 9f241b6e67..18ba2f45f5 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -5978,12 +5978,10 @@ void QMacStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComplex
 #ifndef QT_NO_ACCESSIBILITY
             if (QStyleHelper::hasAncestor(opt->styleObject, QAccessible::ToolBar)) {
                 if (tb->subControls & SC_ToolButtonMenu) {
-                    QStyleOption arrowOpt(0);
+                    QStyleOption arrowOpt = *tb;
                     arrowOpt.rect = proxy()->subControlRect(cc, tb, SC_ToolButtonMenu, widget);
                     arrowOpt.rect.setY(arrowOpt.rect.y() + arrowOpt.rect.height() / 2);
                     arrowOpt.rect.setHeight(arrowOpt.rect.height() / 2);
-                    arrowOpt.state = tb->state;
-                    arrowOpt.palette = tb->palette;
                     proxy()->drawPrimitive(PE_IndicatorArrowDown, &arrowOpt, p, widget);
                 } else if ((tb->features & QStyleOptionToolButton::HasMenu)
                             && (tb->toolButtonStyle != Qt::ToolButtonTextOnly && !tb->icon.isNull())) {
diff --git a/src/widgets/styles/qwindowscestyle.cpp b/src/widgets/styles/qwindowscestyle.cpp
index e26925807f..4817bfde3e 100644
--- a/src/widgets/styles/qwindowscestyle.cpp
+++ b/src/widgets/styles/qwindowscestyle.cpp
@@ -1437,8 +1437,7 @@ void QWindowsCEStyle::drawComplexControl(ComplexControl control, const QStyleOpt
             if (toolbutton->activeSubControls & SC_ToolButtonMenu)
                 mflags |= State_Sunken;
 
-            QStyleOption tool(0);
-            tool.palette = toolbutton->palette;
+            QStyleOption tool = *toolbutton;
             if (toolbutton->subControls & SC_ToolButton) {
                     tool.rect = button;
                     tool.state = bflags;
@@ -1620,9 +1619,8 @@ void QWindowsCEStyle::drawComplexControl(ComplexControl control, const QStyleOpt
 
                 if (cmb->activeSubControls == SC_ComboBoxArrow)
                     flags |= State_Sunken;
-                QStyleOption arrowOpt(0);
+                QStyleOption arrowOpt = *cmb;
                 arrowOpt.rect = ar;
-                arrowOpt.palette = cmb->palette;
                 arrowOpt.state = flags;
                 drawPrimitive(PE_IndicatorArrowDown, &arrowOpt, painter, widget);
             }
diff --git a/src/widgets/styles/qwindowsmobilestyle.cpp b/src/widgets/styles/qwindowsmobilestyle.cpp
index e34c2dfe00..b91e647c4b 100644
--- a/src/widgets/styles/qwindowsmobilestyle.cpp
+++ b/src/widgets/styles/qwindowsmobilestyle.cpp
@@ -6105,8 +6105,7 @@ void QWindowsMobileStyle::drawComplexControl(ComplexControl control, const QStyl
                 buttonFlags |= State_Sunken;
             if (toolbutton->activeSubControls & SC_ToolButtonMenu)
                 menuFlags |= State_On;
-            QStyleOption tool(0);
-            tool.palette = toolbutton->palette;
+            QStyleOption tool = *toolbutton;
             if (toolbutton->subControls & SC_ToolButton) {
                     tool.rect = button;
                     tool.state = buttonFlags;
@@ -6115,14 +6114,11 @@ void QWindowsMobileStyle::drawComplexControl(ComplexControl control, const QStyl
             if (toolbutton->subControls & SC_ToolButtonMenu) {
                 tool.rect = menuarea;
                 tool.state = buttonFlags & State_Enabled;
-                QStyleOption toolMenu(0);
-                toolMenu = *toolbutton;
+                QStyleOption toolMenu = *toolbutton;
                 toolMenu.state = menuFlags;
                 if (buttonFlags & State_Sunken)
                   proxy()->drawPrimitive(PE_PanelButtonTool, &toolMenu, painter, widget);
-                QStyleOption arrowOpt(0);
-                arrowOpt.rect = tool.rect;
-                arrowOpt.palette = tool.palette;
+                QStyleOption arrowOpt = toolMenu;
                 State flags = State_None;
                 if (menuFlags & State_Enabled)
                     flags |= State_Enabled;
@@ -6244,9 +6240,8 @@ void QWindowsMobileStyle::drawComplexControl(ComplexControl control, const QStyl
                 flags |= State_Enabled;
             if (option->state & State_On)
                 flags |= State_Sunken;
-            QStyleOption arrowOpt(0);
+            QStyleOption arrowOpt = *cmb;
             arrowOpt.rect = ar;
-            arrowOpt.palette = cmb->palette;
             arrowOpt.state = flags;
             proxy()->drawPrimitive(PrimitiveElement(PE_IndicatorArrowDownBig), &arrowOpt, painter, widget);
             if (cmb->subControls & SC_ComboBoxEditField) {
diff --git a/src/widgets/styles/qwindowsstyle.cpp b/src/widgets/styles/qwindowsstyle.cpp
index ab3c8df256..536ef2d49a 100644
--- a/src/widgets/styles/qwindowsstyle.cpp
+++ b/src/widgets/styles/qwindowsstyle.cpp
@@ -2164,9 +2164,8 @@ void QWindowsStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComp
 
                 if (sunkenArrow)
                     flags |= State_Sunken;
-                QStyleOption arrowOpt(0);
+                QStyleOption arrowOpt = *cmb;
                 arrowOpt.rect = ar.adjusted(1, 1, -1, -1);
-                arrowOpt.palette = cmb->palette;
                 arrowOpt.state = flags;
                 proxy()->drawPrimitive(PE_IndicatorArrowDown, &arrowOpt, p, widget);
             }
diff --git a/src/widgets/styles/qwindowsxpstyle.cpp b/src/widgets/styles/qwindowsxpstyle.cpp
index e9415f4292..a850787af0 100644
--- a/src/widgets/styles/qwindowsxpstyle.cpp
+++ b/src/widgets/styles/qwindowsxpstyle.cpp
@@ -3044,8 +3044,7 @@ void QWindowsXPStyle::drawComplexControl(ComplexControl cc, const QStyleOptionCo
                 }
             }
 
-            QStyleOption tool(0);
-            tool.palette = toolbutton->palette;
+            QStyleOption tool = *toolbutton;
             if (toolbutton->subControls & SC_ToolButton) {
                 if (flags & (State_Sunken | State_On | State_Raised) || !autoRaise) {
                     if (toolbutton->features & QStyleOptionToolButton::MenuButtonPopup && autoRaise) {
diff --git a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
index 46b6fcca82..361a7e7ed4 100644
--- a/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
+++ b/tests/auto/widgets/styles/qstyle/tst_qstyle.cpp
@@ -949,17 +949,14 @@ private:
 void tst_QStyle::testStyleOptionInit()
 {
     QStringList keys = QStyleFactory::keys();
-    QVector<QStyle*> styles;
-    styles.reserve(keys.size() + 1);
+    keys.prepend(QString()); // QCommonStyle marker
 
-    styles << new QCommonStyle();
-
-    Q_FOREACH (QStyle *style, styles) {
+    Q_FOREACH (const QString &key, keys) {
+        QStyle* style = key.isEmpty() ? new QCommonStyle : QStyleFactory::create(key);
         TestStyleOptionInitProxy testStyle;
         testStyle.setBaseStyle(style);
         testAllFunctions(style);
         QVERIFY(!testStyle.invalidOptionsDetected);
-        delete style;
     }
 }