3 files changed, 6 insertions, 11 deletions
diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index 085bf627aa..00356b7468 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -2705,7 +2705,8 @@ int QMacStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w
         ret = false;
         break;
     case SH_ScrollBar_Transient:
-        if (qobject_cast<const QScrollBar *>(w) ||
+        if ((qobject_cast<const QScrollBar *>(w) && w->parent() &&
+                qobject_cast<QAbstractScrollArea*>(w->parent()->parent())) ||
                 (opt && QStyleHelper::hasAncestor(opt->styleObject, QAccessible::ScrollBar))) {
             ret = QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7;
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
diff --git a/src/widgets/styles/qstylehelper.cpp b/src/widgets/styles/qstylehelper.cpp
index 6d8a3ce0c3..75c74e4a88 100644
--- a/src/widgets/styles/qstylehelper.cpp
+++ b/src/widgets/styles/qstylehelper.cpp
@@ -86,17 +86,13 @@ qreal dpiScaled(qreal value)
 #endif
 }
 
+#ifndef QT_NO_ACCESSIBILITY
 bool isInstanceOf(QObject *obj, QAccessible::Role role)
 {
     bool match = false;
-#ifndef QT_NO_ACCESSIBILITY
     QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(obj);
     match = iface && iface->role() == role;
     delete iface;
-#else
-    Q_UNUSED(obj)
-    Q_UNUSED(role)
-#endif // QT_NO_ACCESSIBILITY
     return match;
 }
 
@@ -104,19 +100,15 @@ bool isInstanceOf(QObject *obj, QAccessible::Role role)
 bool hasAncestor(QObject *obj, QAccessible::Role role)
 {
     bool found = false;
-#ifndef QT_NO_ACCESSIBILITY
     QObject *parent = obj ? obj->parent() : 0;
     while (parent && !found) {
         if (isInstanceOf(parent, role))
             found = true;
         parent = parent->parent();
     }
-#else
-    Q_UNUSED(obj)
-    Q_UNUSED(role)
-#endif // QT_NO_ACCESSIBILITY
     return found;
 }
+#endif // QT_NO_ACCESSIBILITY
 
 
 #ifndef QT_NO_DIAL
diff --git a/src/widgets/styles/qstylehelper_p.h b/src/widgets/styles/qstylehelper_p.h
index 41f823def7..01772e765c 100644
--- a/src/widgets/styles/qstylehelper_p.h
+++ b/src/widgets/styles/qstylehelper_p.h
@@ -82,8 +82,10 @@ namespace QStyleHelper
     void drawBorderPixmap(const QPixmap &pixmap, QPainter *painter, const QRect &rect,
                      int left = 0, int top = 0, int right = 0,
                      int bottom = 0);
+#ifndef QT_NO_ACCESSIBILITY
     bool isInstanceOf(QObject *obj, QAccessible::Role role);
     bool hasAncestor(QObject *obj, QAccessible::Role role);
+#endif
 }