diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 08c22240925..b247cf6f67f 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -736,11 +736,10 @@ void QCommonStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, Q
             QRect r = opt->rect;
             int size = qMin(r.height(), r.width());
             QPixmap pixmap;
-            QString pixmapName =
-                    QStyleHelper::uniqueName("$qt_ia-"_L1
-                                                     % QLatin1StringView(metaObject()->className()),
-                                             opt, QSize(size, size))
-                    % HexString<uint>(pe);
+            const QString pixmapName = QStyleHelper::uniqueName("$qt_ia-"_L1
+                                                     % QLatin1StringView(metaObject()->className())
+                                                     % HexString<uint>(pe),
+                                             opt, QSize(size, size));
             if (!QPixmapCache::find(pixmapName, &pixmap)) {
                 qreal pixelRatio = p->device()->devicePixelRatio();
                 int border = qRound(pixelRatio*(size/5));
diff --git a/src/widgets/styles/qfusionstyle.cpp b/src/widgets/styles/qfusionstyle.cpp
index 918f9dbe520..723549f3d10 100644
--- a/src/widgets/styles/qfusionstyle.cpp
+++ b/src/widgets/styles/qfusionstyle.cpp
@@ -1236,12 +1236,12 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
         // Draws the header in tables.
         if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(option)) {
             const QStyleOptionHeaderV2 *headerV2 = qstyleoption_cast<const QStyleOptionHeaderV2 *>(option);
-            QString pixmapName = QStyleHelper::uniqueName("headersection"_L1, option, option->rect.size());
-            pixmapName += QString::number(- int(header->position));
-            pixmapName += QString::number(- int(header->orientation));
-            if (headerV2)
-                pixmapName += QString::number(- int(headerV2->isSectionDragTarget));
-
+            const bool isSectionDragTarget = headerV2 ? headerV2->isSectionDragTarget : false;
+            const QString pixmapName = QStyleHelper::uniqueName("headersection-"_L1
+                                                                    % HexString(header->position)
+                                                                    % HexString(header->orientation)
+                                                                    % (isSectionDragTarget ? '1' : '0'),
+                                                                option, option->rect.size());
             QPixmap cache;
             if (!QPixmapCache::find(pixmapName, &cache)) {
                 cache = styleCachePixmap(rect.size());
@@ -1251,7 +1251,7 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
                 QColor buttonColor = d->buttonColor(option->palette);
                 QColor gradientStartColor = buttonColor.lighter(104);
                 QColor gradientStopColor = buttonColor.darker(102);
-                if (headerV2 && headerV2->isSectionDragTarget) {
+                if (isSectionDragTarget) {
                     gradientStopColor = gradientStartColor.darker(130);
                     gradientStartColor = gradientStartColor.darker(130);
                 }
@@ -2665,16 +2665,12 @@ void QFusionStyle::drawComplexControl(ComplexControl control, const QStyleOption
             bool sunken = comboBox->state & State_On; // play dead, if combobox has no items
             bool isEnabled = (comboBox->state & State_Enabled);
             QPixmap cache;
-            QString pixmapName = QStyleHelper::uniqueName("combobox"_L1, option, comboBox->rect.size());
-            if (sunken)
-                pixmapName += "-sunken"_L1;
-            if (comboBox->editable)
-                pixmapName += "-editable"_L1;
-            if (isEnabled)
-                pixmapName += "-enabled"_L1;
-            if (!comboBox->frame)
-                pixmapName += "-frameless"_L1;
-
+            const QString pixmapName = QStyleHelper::uniqueName("combobox"_L1
+                                                                    % (sunken ? "-sunken" : "")
+                                                                    % (comboBox->editable ? "-editable" : "")
+                                                                    % (isEnabled ? "-enabled" : "")
+                                                                    % (!comboBox->frame ? "-frameless" : ""),
+                                                                option, comboBox->rect.size());
             if (!QPixmapCache::find(pixmapName, &cache)) {
                 cache = styleCachePixmap(comboBox->rect.size());
                 cache.fill(Qt::transparent);
@@ -2817,7 +2813,8 @@ void QFusionStyle::drawComplexControl(ComplexControl control, const QStyleOption
 
                 // draw blue groove highlight
                 QRect clipRect;
-                groovePixmapName += "_blue"_L1;
+                if (!groovePixmapName.isEmpty())
+                    groovePixmapName += "_blue"_L1;
                 if (!QPixmapCache::find(groovePixmapName, &cache)) {
                     cache = styleCachePixmap(pixmapRect.size());
                     cache.fill(Qt::transparent);
diff --git a/src/widgets/styles/qstylehelper.cpp b/src/widgets/styles/qstylehelper.cpp
index f79e83be617..1084761d30d 100644
--- a/src/widgets/styles/qstylehelper.cpp
+++ b/src/widgets/styles/qstylehelper.cpp
@@ -25,8 +25,18 @@ Q_GUI_EXPORT int qt_defaultDpiX();
 
 namespace QStyleHelper {
 
+static inline bool usePixmapCache(const QStyleOption *opt)
+{
+    if (QWidget *widget = qobject_cast<QWidget *>(opt->styleObject))
+        return !widget->testAttribute(Qt::WA_StyleSheetTarget);
+    return true;
+}
+
 QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size)
 {
+    if (!usePixmapCache(option))
+        return {};
+
     const QStyleOptionComplex *complexOption = qstyleoption_cast<const QStyleOptionComplex *>(option);
     QString tmp = key % HexString<uint>(option->state)
                       % HexString<uint>(option->direction)