diff --git a/src/widgets/accessible/qaccessiblewidget.cpp b/src/widgets/accessible/qaccessiblewidget.cpp
index 2f091c7213..17ba14de39 100644
--- a/src/widgets/accessible/qaccessiblewidget.cpp
+++ b/src/widgets/accessible/qaccessiblewidget.cpp
@@ -277,7 +277,7 @@ public:
 */
 void QAccessibleWidget::addControllingSignal(const QString &signal)
 {
-    QByteArray s = QMetaObject::normalizedSignature(signal.toAscii());
+    QByteArray s = QMetaObject::normalizedSignature(signal.toLatin1());
     if (object()->metaObject()->indexOfSignal(s) < 0)
         qWarning("Signal %s unknown in %s", s.constData(), object()->metaObject()->className());
     d->primarySignals << QLatin1String(s);
@@ -388,7 +388,7 @@ QAccessibleWidget::relations(QAccessible::Relation match /*= QAccessible::AllRel
                 QACConnectionObject *connectionSender = (QACConnectionObject*)sender;
                 QStringList senderPrimarySignals = static_cast<QAccessibleWidget*>(iface)->d->primarySignals;
                 for (int sig = 0; sig < senderPrimarySignals.count(); ++sig) {
-                    const QByteArray strSignal = senderPrimarySignals.at(sig).toAscii();
+                    const QByteArray strSignal = senderPrimarySignals.at(sig).toLatin1();
                     if (connectionSender->isSender(object(), strSignal.constData()))
                         rels.append(qMakePair(iface, rel));
                 }
@@ -400,7 +400,7 @@ QAccessibleWidget::relations(QAccessible::Relation match /*= QAccessible::AllRel
         QObjectList allReceivers;
         QACConnectionObject *connectionObject = (QACConnectionObject*)object();
         for (int sig = 0; sig < d->primarySignals.count(); ++sig) {
-            const QObjectList receivers = connectionObject->receiverList(d->primarySignals.at(sig).toAscii());
+            const QObjectList receivers = connectionObject->receiverList(d->primarySignals.at(sig).toLatin1());
             allReceivers += receivers;
         }
 
diff --git a/src/widgets/graphicsview/qgraph_p.h b/src/widgets/graphicsview/qgraph_p.h
index e41bf5a5da..766c35dd0d 100644
--- a/src/widgets/graphicsview/qgraph_p.h
+++ b/src/widgets/graphicsview/qgraph_p.h
@@ -150,7 +150,7 @@ public:
         // Creates a bidirectional edge
 #if defined(QT_DEBUG) && 0
         qDebug("Graph::createEdge(): %s",
-               qPrintable(QString::fromAscii("%1-%2")
+               qPrintable(QString::fromLatin1("%1-%2")
                           .arg(first->toString()).arg(second->toString())));
 #endif
         if (edgeData(first, second)) {
@@ -167,7 +167,7 @@ public:
         // Removes a bidirectional edge
 #if defined(QT_DEBUG) && 0
         qDebug("Graph::removeEdge(): %s",
-               qPrintable(QString::fromAscii("%1-%2")
+               qPrintable(QString::fromLatin1("%1-%2")
                           .arg(first->toString()).arg(second->toString())));
 #endif
         EdgeData *data = edgeData(first, second);
@@ -180,7 +180,7 @@ public:
     {
 #if defined(QT_DEBUG) && 0
         qDebug("Graph::takeEdge(): %s",
-               qPrintable(QString::fromAscii("%1-%2")
+               qPrintable(QString::fromLatin1("%1-%2")
                           .arg(first->toString()).arg(second->toString())));
 #endif
         // Removes a bidirectional edge
@@ -236,7 +236,7 @@ public:
                 EdgeData *data = edgeData(v, v1);
                 bool forward = data->from == v;
                 if (forward) {
-                    edges += QString::fromAscii("\"%1\"->\"%2\" [label=\"[%3,%4,%5,%6,%7]\" color=\"#000000\"] \n")
+                    edges += QString::fromLatin1("\"%1\"->\"%2\" [label=\"[%3,%4,%5,%6,%7]\" color=\"#000000\"] \n")
                         .arg(v->toString())
                         .arg(v1->toString())
                         .arg(data->minSize)
@@ -247,9 +247,9 @@ public:
                         ;
                 }
             }
-            strVertices += QString::fromAscii("\"%1\" [label=\"%2\"]\n").arg(v->toString()).arg(v->toString());
+            strVertices += QString::fromLatin1("\"%1\" [label=\"%2\"]\n").arg(v->toString()).arg(v->toString());
         }
-        return QString::fromAscii("%1\n%2\n").arg(strVertices).arg(edges);
+        return QString::fromLatin1("%1\n%2\n").arg(strVertices).arg(edges);
     }
 #endif
 
diff --git a/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp b/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp
index 3d20f0b07c..a935179a2a 100644
--- a/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp
+++ b/src/widgets/graphicsview/qgraphicsanchorlayout_p.cpp
@@ -611,10 +611,10 @@ QString GraphPath::toString() const
 {
     QString string(QLatin1String("Path: "));
     foreach(AnchorData *edge, positives)
-        string += QString::fromAscii(" (+++) %1").arg(edge->toString());
+        string += QString::fromLatin1(" (+++) %1").arg(edge->toString());
 
     foreach(AnchorData *edge, negatives)
-        string += QString::fromAscii(" (---) %1").arg(edge->toString());
+        string += QString::fromLatin1(" (---) %1").arg(edge->toString());
 
     return string;
 }
@@ -765,9 +765,9 @@ static AnchorData *createSequence(Graph<AnchorVertex, AnchorData> *graph,
 #if defined(QT_DEBUG) && 0
     QString strVertices;
     for (int i = 0; i < vertices.count(); ++i) {
-        strVertices += QString::fromAscii("%1 - ").arg(vertices.at(i)->toString());
+        strVertices += QString::fromLatin1("%1 - ").arg(vertices.at(i)->toString());
     }
-    QString strPath = QString::fromAscii("%1 - %2%3").arg(before->toString(), strVertices, after->toString());
+    QString strPath = QString::fromLatin1("%1 - %2%3").arg(before->toString(), strVertices, after->toString());
     qDebug("simplifying [%s] to [%s - %s]", qPrintable(strPath), qPrintable(before->toString()), qPrintable(after->toString()));
 #endif
 
@@ -847,7 +847,7 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraph(Orientation orientation)
     static int count = 0;
     if (orientation == Horizontal) {
         count++;
-        dumpGraph(QString::fromAscii("%1-full").arg(count));
+        dumpGraph(QString::fromLatin1("%1-full").arg(count));
     }
 #endif
 
@@ -872,8 +872,8 @@ bool QGraphicsAnchorLayoutPrivate::simplifyGraph(Orientation orientation)
     }
 
 #if defined(QT_DEBUG) && 0
-    dumpGraph(QString::fromAscii("%1-simplified-%2").arg(count).arg(
-                  QString::fromAscii(orientation == Horizontal ? "Horizontal" : "Vertical")));
+    dumpGraph(QString::fromLatin1("%1-simplified-%2").arg(count).arg(
+                  QString::fromLatin1(orientation == Horizontal ? "Horizontal" : "Vertical")));
 #endif
 
     return true;
@@ -903,7 +903,7 @@ bool QGraphicsAnchorLayoutPrivate::replaceVertex(Orientation orientation, Anchor
         AnchorVertex *otherV = replaceVertex_helper(ad, oldV, newV);
 
 #if defined(QT_DEBUG)
-        ad->name = QString::fromAscii("%1 --to--> %2").arg(ad->from->toString()).arg(ad->to->toString());
+        ad->name = QString::fromLatin1("%1 --to--> %2").arg(ad->from->toString()).arg(ad->to->toString());
 #endif
 
         bool newFeasible;
@@ -1766,7 +1766,7 @@ void QGraphicsAnchorLayoutPrivate::addAnchor_helper(QGraphicsLayoutItem *firstIt
     data->from = v1;
     data->to = v2;
 #ifdef QT_DEBUG
-    data->name = QString::fromAscii("%1 --to--> %2").arg(v1->toString()).arg(v2->toString());
+    data->name = QString::fromLatin1("%1 --to--> %2").arg(v1->toString()).arg(v2->toString());
 #endif
     // ### bit to track internal anchors, since inside AnchorData methods
     // we don't have access to the 'q' pointer.
@@ -2999,11 +2999,11 @@ bool QGraphicsAnchorLayoutPrivate::hasConflicts() const
 #ifdef QT_DEBUG
 void QGraphicsAnchorLayoutPrivate::dumpGraph(const QString &name)
 {
-    QFile file(QString::fromAscii("anchorlayout.%1.dot").arg(name));
+    QFile file(QString::fromLatin1("anchorlayout.%1.dot").arg(name));
     if (!file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
         qWarning("Could not write to %s", file.fileName().toLocal8Bit().constData());
 
-    QString str = QString::fromAscii("digraph anchorlayout {\nnode [shape=\"rect\"]\n%1}");
+    QString str = QString::fromLatin1("digraph anchorlayout {\nnode [shape=\"rect\"]\n%1}");
     QString dotContents = graph[0].serializeToDot();
     dotContents += graph[1].serializeToDot();
     file.write(str.arg(dotContents).toLocal8Bit());
diff --git a/src/widgets/graphicsview/qgraphicsanchorlayout_p.h b/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
index 328461a363..df1db84ee8 100644
--- a/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
+++ b/src/widgets/graphicsview/qgraphicsanchorlayout_p.h
@@ -181,7 +181,7 @@ struct AnchorData : public QSimplexVariable {
 #ifdef QT_DEBUG
 inline QString AnchorData::toString() const
 {
-    return QString::fromAscii("Anchor(%1)").arg(name);
+    return QString::fromLatin1("Anchor(%1)").arg(name);
 }
 #endif
 
@@ -193,7 +193,7 @@ struct SequentialAnchorData : public AnchorData
         type = AnchorData::Sequential;
         orientation = m_edges.at(0)->orientation;
 #ifdef QT_DEBUG
-        name = QString::fromAscii("%1 -- %2").arg(vertices.first()->toString(), vertices.last()->toString());
+        name = QString::fromLatin1("%1 -- %2").arg(vertices.first()->toString(), vertices.last()->toString());
 #endif
     }
 
@@ -221,7 +221,7 @@ struct ParallelAnchorData : public AnchorData
         from = first->from;
         to = first->to;
 #ifdef QT_DEBUG
-        name = QString::fromAscii("%1 | %2").arg(first->toString(), second->toString());
+        name = QString::fromLatin1("%1 | %2").arg(first->toString(), second->toString());
 #endif
     }
 
@@ -263,9 +263,9 @@ inline QString AnchorVertex::toString() const
         return QLatin1String("NULL");
     } else if (m_type == Pair) {
         const AnchorVertexPair *vp = static_cast<const AnchorVertexPair *>(this);
-        return QString::fromAscii("(%1, %2)").arg(vp->m_first->toString()).arg(vp->m_second->toString());
+        return QString::fromLatin1("(%1, %2)").arg(vp->m_first->toString()).arg(vp->m_second->toString());
     } else if (!m_item) {
-        return QString::fromAscii("NULL_%1").arg(quintptr(this));
+        return QString::fromLatin1("NULL_%1").arg(quintptr(this));
     }
     QString edge;
     switch (m_edge) {
diff --git a/src/widgets/graphicsview/qgraphicswidget.cpp b/src/widgets/graphicsview/qgraphicswidget.cpp
index 5ac2269ff1..1f45582442 100644
--- a/src/widgets/graphicsview/qgraphicswidget.cpp
+++ b/src/widgets/graphicsview/qgraphicswidget.cpp
@@ -2410,7 +2410,7 @@ void QGraphicsWidget::dumpFocusChain()
             qWarning("Found a focus chain that is not circular, (next == 0)");
             break;
         }
-        qDebug() << i++ << QString::number(uint(next), 16) << next->className() << next->data(0) << QString::fromAscii("focusItem:%1").arg(next->hasFocus() ? '1' : '0') << QLatin1String("next:") << next->d_func()->focusNext->data(0) << QLatin1String("prev:") << next->d_func()->focusPrev->data(0);
+        qDebug() << i++ << QString::number(uint(next), 16) << next->className() << next->data(0) << QString::fromLatin1("focusItem:%1").arg(next->hasFocus() ? '1' : '0') << QLatin1String("next:") << next->d_func()->focusNext->data(0) << QLatin1String("prev:") << next->d_func()->focusPrev->data(0);
         if (visited.contains(next)) {
             qWarning("Already visited this node. However, I expected to dump until I found myself.");
             break;
diff --git a/src/widgets/graphicsview/qgridlayoutengine.cpp b/src/widgets/graphicsview/qgridlayoutengine.cpp
index b981ed651a..f45fe44b34 100644
--- a/src/widgets/graphicsview/qgridlayoutengine.cpp
+++ b/src/widgets/graphicsview/qgridlayoutengine.cpp
@@ -783,11 +783,11 @@ void QGridLayoutRowInfo::dump(int indent) const
         QString message;
 
         if (stretches.value(i).value() >= 0)
-            message += QString::fromAscii(" stretch %1").arg(stretches.value(i).value());
+            message += QString::fromLatin1(" stretch %1").arg(stretches.value(i).value());
         if (spacings.value(i).value() >= 0.0)
-            message += QString::fromAscii(" spacing %1").arg(spacings.value(i).value());
+            message += QString::fromLatin1(" spacing %1").arg(spacings.value(i).value());
         if (alignments.value(i) != 0)
-            message += QString::fromAscii(" alignment %1").arg(int(alignments.value(i)), 16);
+            message += QString::fromLatin1(" alignment %1").arg(int(alignments.value(i)), 16);
 
         if (!message.isEmpty() || boxes.value(i) != QGridLayoutBox()) {
             qDebug("%*s Row %d:%s", indent, "", i, qPrintable(message));
diff --git a/src/widgets/graphicsview/qsimplex_p.cpp b/src/widgets/graphicsview/qsimplex_p.cpp
index f5816e2d3c..e6a3dee519 100644
--- a/src/widgets/graphicsview/qsimplex_p.cpp
+++ b/src/widgets/graphicsview/qsimplex_p.cpp
@@ -356,14 +356,14 @@ void QSimplex::dumpMatrix()
 
     QString str(QLatin1String("       "));
     for (int j = 0; j < columns; ++j)
-        str += QString::fromAscii("  <%1 >").arg(j, 2);
+        str += QString::fromLatin1("  <%1 >").arg(j, 2);
     qDebug("%s", qPrintable(str));
     for (int i = 0; i < rows; ++i) {
-        str = QString::fromAscii("Row %1:").arg(i, 2);
+        str = QString::fromLatin1("Row %1:").arg(i, 2);
 
         qreal *row = matrix + i * columns;
         for (int j = 0; j < columns; ++j)
-            str += QString::fromAscii("%1").arg(row[j], 7, 'f', 2);
+            str += QString::fromLatin1("%1").arg(row[j], 7, 'f', 2);
         qDebug("%s", qPrintable(str));
     }
     qDebug("------------------------\n");
diff --git a/src/widgets/graphicsview/qsimplex_p.h b/src/widgets/graphicsview/qsimplex_p.h
index 00ed0b9957..0208ce5537 100644
--- a/src/widgets/graphicsview/qsimplex_p.h
+++ b/src/widgets/graphicsview/qsimplex_p.h
@@ -123,22 +123,22 @@ struct QSimplexConstraint
 #ifdef QT_DEBUG
     QString toString() {
         QString result;
-        result += QString::fromAscii("-- QSimplexConstraint %1 --").arg(quintptr(this), 0, 16);
+        result += QString::fromLatin1("-- QSimplexConstraint %1 --").arg(quintptr(this), 0, 16);
 
         QHash<QSimplexVariable *, qreal>::const_iterator iter;
         for (iter = variables.constBegin(); iter != variables.constEnd(); ++iter) {
-            result += QString::fromAscii("  %1 x %2").arg(iter.value()).arg(quintptr(iter.key()), 0, 16);
+            result += QString::fromLatin1("  %1 x %2").arg(iter.value()).arg(quintptr(iter.key()), 0, 16);
         }
 
         switch (ratio) {
         case LessOrEqual:
-            result += QString::fromAscii("  (less) <= %1").arg(constant);
+            result += QString::fromLatin1("  (less) <= %1").arg(constant);
             break;
         case MoreOrEqual:
-            result += QString::fromAscii("  (more) >= %1").arg(constant);
+            result += QString::fromLatin1("  (more) >= %1").arg(constant);
             break;
         default:
-            result += QString::fromAscii("  (eqal) == %1").arg(constant);
+            result += QString::fromLatin1("  (eqal) == %1").arg(constant);
         }
 
         return result;
diff --git a/src/widgets/styles/qstylesheetstyle.cpp b/src/widgets/styles/qstylesheetstyle.cpp
index 89e8f59315..46bf836369 100644
--- a/src/widgets/styles/qstylesheetstyle.cpp
+++ b/src/widgets/styles/qstylesheetstyle.cpp
@@ -691,7 +691,7 @@ static QList<QVariant> subControlLayout(const QString& layout)
 {
     QList<QVariant> buttons;
     for (int i = 0; i < layout.count(); i++) {
-        int button = layout[i].toAscii();
+        int button = layout[i].toLatin1();
         switch (button) {
         case 'm':
             buttons.append(PseudoElement_MdiMinButton);
diff --git a/src/widgets/widgets/qabstractspinbox.cpp b/src/widgets/widgets/qabstractspinbox.cpp
index 8bab6a9a1d..6c556dc870 100644
--- a/src/widgets/widgets/qabstractspinbox.cpp
+++ b/src/widgets/widgets/qabstractspinbox.cpp
@@ -2028,8 +2028,8 @@ int QAbstractSpinBoxPrivate::variantCompare(const QVariant &arg1, const QVariant
     switch (arg2.type()) {
     case QVariant::Date:
         Q_ASSERT_X(arg1.type() == QVariant::Date, "QAbstractSpinBoxPrivate::variantCompare",
-                   qPrintable(QString::fromAscii("Internal error 1 (%1)").
-                              arg(QString::fromAscii(arg1.typeName()))));
+                   qPrintable(QString::fromLatin1("Internal error 1 (%1)").
+                              arg(QString::fromLatin1(arg1.typeName()))));
         if (arg1.toDate() == arg2.toDate()) {
             return 0;
         } else if (arg1.toDate() < arg2.toDate()) {
@@ -2039,8 +2039,8 @@ int QAbstractSpinBoxPrivate::variantCompare(const QVariant &arg1, const QVariant
         }
     case QVariant::Time:
         Q_ASSERT_X(arg1.type() == QVariant::Time, "QAbstractSpinBoxPrivate::variantCompare",
-                   qPrintable(QString::fromAscii("Internal error 2 (%1)").
-                              arg(QString::fromAscii(arg1.typeName()))));
+                   qPrintable(QString::fromLatin1("Internal error 2 (%1)").
+                              arg(QString::fromLatin1(arg1.typeName()))));
         if (arg1.toTime() == arg2.toTime()) {
             return 0;
         } else if (arg1.toTime() < arg2.toTime()) {
@@ -2079,9 +2079,9 @@ int QAbstractSpinBoxPrivate::variantCompare(const QVariant &arg1, const QVariant
             return 0;
     default:
         Q_ASSERT_X(0, "QAbstractSpinBoxPrivate::variantCompare",
-                   qPrintable(QString::fromAscii("Internal error 3 (%1 %2)").
-                              arg(QString::fromAscii(arg1.typeName())).
-                              arg(QString::fromAscii(arg2.typeName()))));
+                   qPrintable(QString::fromLatin1("Internal error 3 (%1 %2)").
+                              arg(QString::fromLatin1(arg1.typeName())).
+                              arg(QString::fromLatin1(arg2.typeName()))));
     }
     return -2;
 }
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index 5e808c1ab5..0cdb2d1176 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -2208,7 +2208,7 @@ void QDateTimeEditPrivate::_q_editorCursorPositionChanged(int oldpos, int newpos
     currentSectionIndex = s;
     Q_ASSERT_X(currentSectionIndex < sectionNodes.size(),
                "QDateTimeEditPrivate::_q_editorCursorPositionChanged()",
-               qPrintable(QString::fromAscii("Internal error (%1 %2)").
+               qPrintable(QString::fromLatin1("Internal error (%1 %2)").
                           arg(currentSectionIndex).
                           arg(sectionNodes.size())));
 
diff --git a/src/widgets/widgets/qsplitter.cpp b/src/widgets/widgets/qsplitter.cpp
index 44c450ca47..17e1c39cee 100644
--- a/src/widgets/widgets/qsplitter.cpp
+++ b/src/widgets/widgets/qsplitter.cpp
@@ -1702,7 +1702,7 @@ QTextStream& operator>>(QTextStream& ts, QSplitter& splitter)
     line.replace(QLatin1Char(' '), QString());
     line = line.toUpper();
 
-    splitter.restoreState(line.toAscii());
+    splitter.restoreState(line.toLatin1());
     return ts;
 }
 
diff --git a/tests/auto/widgets/dialogs/qfiledialog/tst_qfiledialog.cpp b/tests/auto/widgets/dialogs/qfiledialog/tst_qfiledialog.cpp
index e8fc5ad603..a62c1a8f9a 100644
--- a/tests/auto/widgets/dialogs/qfiledialog/tst_qfiledialog.cpp
+++ b/tests/auto/widgets/dialogs/qfiledialog/tst_qfiledialog.cpp
@@ -504,7 +504,7 @@ void tst_QFiledialog::completer()
 
     // press 'keys' for the input
     for (int i = 0; i < input.count(); ++i)
-        QTest::keyPress(lineEdit, input[i].toAscii());
+        QTest::keyPress(lineEdit, input[i].toLatin1());
 
     QStringList expectedFiles;
     if (expected == -1) {
diff --git a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
index 4a6f714a7c..d90c6f8851 100644
--- a/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
+++ b/tests/auto/widgets/dialogs/qfiledialog2/tst_qfiledialog2.cpp
@@ -568,7 +568,7 @@ void tst_QFileDialog2::completionOnLevelAfterRoot()
     // - No another dir with same start
     QString testDir;
     foreach (const QString &entry, entryList) {
-        if (entry.size() > 5 && QString(entry.toAscii()).compare(entry) == 0) {
+        if (entry.size() > 5 && QString(entry.toLatin1()).compare(entry) == 0) {
             bool invalid = false;
             for (int i = 0; i < 5; i++) {
                 if (!entry.at(i).isLetter()) {
@@ -605,7 +605,7 @@ void tst_QFileDialog2::completionOnLevelAfterRoot()
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
     //I love testlib :D
     for (int i = 0; i < 5; i++)
-        QTest::keyClick(edit, testDir.at(i).toLower().toAscii() - 'a' + Qt::Key_A);
+        QTest::keyClick(edit, testDir.at(i).toLower().toLatin1() - 'a' + Qt::Key_A);
 #else
     QTest::keyClick(edit, Qt::Key_E);
     QTest::keyClick(edit, Qt::Key_T);
diff --git a/tests/auto/widgets/dialogs/qinputdialog/tst_qinputdialog.cpp b/tests/auto/widgets/dialogs/qinputdialog/tst_qinputdialog.cpp
index a38c2d070d..f6c10bc2e9 100644
--- a/tests/auto/widgets/dialogs/qinputdialog/tst_qinputdialog.cpp
+++ b/tests/auto/widgets/dialogs/qinputdialog/tst_qinputdialog.cpp
@@ -110,7 +110,7 @@ void testTypingValue(
     sbox->selectAll();
     for (int i = 0; i < value.size(); ++i) {
         const QChar valChar = value[i];
-	_keyClick(static_cast<QWidget *>(sbox), valChar.toAscii()); // ### always guaranteed to work?
+	_keyClick(static_cast<QWidget *>(sbox), valChar.toLatin1()); // ### always guaranteed to work?
         if (sbox->hasAcceptableInput())
             QVERIFY(okButton->isEnabled());
         else
@@ -123,7 +123,7 @@ void testTypingValue(QLineEdit *ledit, QPushButton *okButton, const QString &val
     ledit->selectAll();
     for (int i = 0; i < value.size(); ++i) {
         const QChar valChar = value[i];
-	_keyClick(ledit, valChar.toAscii()); // ### always guaranteed to work?
+	_keyClick(ledit, valChar.toLatin1()); // ### always guaranteed to work?
         QVERIFY(ledit->hasAcceptableInput());
         QVERIFY(okButton->isEnabled());
     }
diff --git a/tests/auto/widgets/graphicsview/qgraphicsanchorlayout1/tst_qgraphicsanchorlayout1.cpp b/tests/auto/widgets/graphicsview/qgraphicsanchorlayout1/tst_qgraphicsanchorlayout1.cpp
index 97feb642dc..7687fd4b67 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsanchorlayout1/tst_qgraphicsanchorlayout1.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsanchorlayout1/tst_qgraphicsanchorlayout1.cpp
@@ -167,7 +167,7 @@ public:
         {
             setContentsMargins( 0,0,0,0 );
             if (name.isEmpty())
-                setData(0, QString::fromAscii("w%1").arg(quintptr(this)));
+                setData(0, QString::fromLatin1("w%1").arg(quintptr(this)));
             else
                 setData(0, name);
         }
@@ -1711,7 +1711,7 @@ void tst_QGraphicsAnchorLayout1::testBasicLayout()
     // Create dummy widgets
     QList<QGraphicsWidget *> widgets;
     for (int i = 0; i < widgetCount; ++i) {
-        TestWidget *w = new TestWidget(0, QString::fromAscii("W%1").arg(i));
+        TestWidget *w = new TestWidget(0, QString::fromLatin1("W%1").arg(i));
         widgets << w;
     }
 
diff --git a/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index 51ce7f909c..5da996bd59 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -458,7 +458,7 @@ void tst_QGraphicsGridLayout::addItem_data()
         int column = b;
         int rowSpan = c;
         int columnSpan = d;
-        QString name = QString::fromAscii("(%1,%2,%3,%4").arg(a).arg(b).arg(c).arg(d);
+        QString name = QString::fromLatin1("(%1,%2,%3,%4").arg(a).arg(b).arg(c).arg(d);
         Qt::Alignment alignment = Qt::AlignLeft;
         QTest::newRow(name.toLatin1()) << row << column << rowSpan << columnSpan << alignment;
     }}}}
@@ -1114,7 +1114,7 @@ void tst_QGraphicsGridLayout::itemAt()
         if (i >= 0 && i < layout->count()) {
             QVERIFY(layout->itemAt(i));
         } else {
-            QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::itemAt: invalid index %1").arg(i).toLatin1().constData());
+            QTest::ignoreMessage(QtWarningMsg, QString::fromLatin1("QGraphicsGridLayout::itemAt: invalid index %1").arg(i).toLatin1().constData());
             QCOMPARE(layout->itemAt(i), static_cast<QGraphicsLayoutItem*>(0));
         }
     }
@@ -1146,7 +1146,7 @@ void tst_QGraphicsGridLayout::removeAt()
     layout->removeAt(0);
     QCOMPARE(item0->parentLayoutItem(), static_cast<QGraphicsLayoutItem *>(0));
     QCOMPARE(layout->count(), 0);
-    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::removeAt: invalid index 0").toLatin1().constData());
+    QTest::ignoreMessage(QtWarningMsg, QString::fromLatin1("QGraphicsGridLayout::removeAt: invalid index 0").toLatin1().constData());
     layout->removeAt(0);
     QCOMPARE(layout->count(), 0);
     delete widget;
@@ -1169,11 +1169,11 @@ void tst_QGraphicsGridLayout::removeItem()
     QCOMPARE(l->count(), 4);
 
     // Avoid crashing. Note that the warning message might change in the future.
-    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
+    QTest::ignoreMessage(QtWarningMsg, QString::fromLatin1("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
     l->removeItem(0);
     QCOMPARE(l->count(), 4);
 
-    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
+    QTest::ignoreMessage(QtWarningMsg, QString::fromLatin1("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
     l->removeItem(new QGraphicsWidget);
     QCOMPARE(l->count(), 4);
 }
diff --git a/tests/auto/widgets/graphicsview/qgraphicswidget/tst_qgraphicswidget.cpp b/tests/auto/widgets/graphicsview/qgraphicswidget/tst_qgraphicswidget.cpp
index 4015cd7b6d..7a5aabe714 100644
--- a/tests/auto/widgets/graphicsview/qgraphicswidget/tst_qgraphicswidget.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicswidget/tst_qgraphicswidget.cpp
@@ -1515,7 +1515,7 @@ void tst_QGraphicsWidget::setTabOrderAndReparent()
     for (i = 1; i < 4; ++i) {
         QGraphicsWidget *wid = new QGraphicsWidget;
         wid->setFocusPolicy(Qt::StrongFocus);
-        wid->setData(0, QString::fromAscii("w%1").arg(i));
+        wid->setData(0, QString::fromLatin1("w%1").arg(i));
         scene.addItem(wid);
         if (i == 1)
             w1 = wid;
@@ -1555,7 +1555,7 @@ void tst_QGraphicsWidget::setTabOrderAndReparent()
     for (i = 1; i < 5; ++i) {
         QGraphicsWidget *wid = new QGraphicsWidget;
         wid->setFocusPolicy(Qt::StrongFocus);
-        wid->setData(0, QString::fromAscii("w%1").arg(i));
+        wid->setData(0, QString::fromLatin1("w%1").arg(i));
         scene.addItem(wid);
         if (i == 1)
             w1 = wid;
diff --git a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
index 1518403a64..3846433e29 100644
--- a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
+++ b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
@@ -1545,7 +1545,7 @@ public:
             return QVariant();
         }
         if (role == Qt::DisplayRole) {
-            return QString::fromAscii("%1,%2").arg(index.row()).arg(index.column());
+            return QString::fromLatin1("%1,%2").arg(index.row()).arg(index.column());
         }
         return QVariant();
     }
diff --git a/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp b/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
index 9bb08edcce..be649db9d8 100644
--- a/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
+++ b/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
@@ -1277,7 +1277,7 @@ void tst_QListView::scrollBarRanges()
     QStringListModel model(&lv);
     QStringList list;
     for (int i = 0; i < rowCount; ++i)
-        list << QString::fromAscii("Item %1").arg(i);
+        list << QString::fromLatin1("Item %1").arg(i);
 
     model.setStringList(list);
     lv.setModel(&model);
@@ -1375,7 +1375,7 @@ void tst_QListView::scrollBarAsNeeded()
         QStringList list;
         int i;
         for (i = 0; i < rowCounts[r]; ++i)
-            list << QString::fromAscii("Item %1").arg(i);
+            list << QString::fromLatin1("Item %1").arg(i);
 
         model.setStringList(list);
         QApplication::processEvents();
@@ -1383,7 +1383,7 @@ void tst_QListView::scrollBarAsNeeded()
 
         QStringList replacement;
         for (i = 0; i < itemCount; ++i) {
-            replacement << QString::fromAscii("Item %1").arg(i);
+            replacement << QString::fromLatin1("Item %1").arg(i);
         }
         model.setStringList(replacement);
 
@@ -2059,7 +2059,7 @@ void tst_QListView::taskQTBUG_12308_wrongFlowLayout()
         QListWidgetItem *item = new QListWidgetItem();
         item->setText(QString("Item %L1").arg(i));
         lw.addItem(item);
-        if (!item->text().contains(QString::fromAscii("1")))
+        if (!item->text().contains(QString::fromLatin1("1")))
             item->setHidden(true);
     }
     lw.show();
diff --git a/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp b/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
index 4155000262..6c082fe35f 100644
--- a/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
+++ b/tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
@@ -2127,12 +2127,12 @@ void tst_QTreeView::resizeColumnToContents()
     for (int r = 0; r < model.rowCount(); ++r) {
         for (int c = 0; c < model.columnCount(); ++c) {
             QModelIndex idx = model.index(r, c);
-            model.setData(idx, QString::fromAscii("%1,%2").arg(r).arg(c) );
+            model.setData(idx, QString::fromLatin1("%1,%2").arg(r).arg(c) );
             model.insertColumns(0, 2, idx);
             model.insertRows(0, 6, idx);
             for (int i = 0; i < 6; ++i) {
                 for (int j = 0; j < 2 ; ++j) {
-                    model.setData(model.index(i, j, idx), QString::fromAscii("child%1%2").arg(i).arg(j));
+                    model.setData(model.index(i, j, idx), QString::fromLatin1("child%1%2").arg(i).arg(j));
                 }
             }
         }
diff --git a/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp b/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
index c43ea065f3..6b424ab4b4 100644
--- a/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
+++ b/tests/auto/widgets/kernel/qgridlayout/tst_qgridlayout.cpp
@@ -540,7 +540,7 @@ public:
     }
 private:
     void init(int numPixels = -1){
-        setText(QString::fromAscii("(%1,%2)").arg(sh.width()).arg(sh.height()));
+        setText(QString::fromLatin1("(%1,%2)").arg(sh.width()).arg(sh.height()));
         setFrameStyle(QFrame::Box | QFrame::Plain);
         setNumberOfPixels(numPixels);
     }
@@ -797,12 +797,12 @@ void tst_QGridLayout::minMaxSize_data()
                 << SizeInfo(QPoint(10, 10), QSize( 90, 90), QSize(100,100))
                 << SizeInfo(QPoint(10 + 100 + 1, 10), QSize( 90, 90))
                 );
-    QTest::newRow("2x1 grid, extend to minimumSize, motif") << QString::fromAscii("motif") << 2 << 1
+    QTest::newRow("2x1 grid, extend to minimumSize, motif") << QString::fromLatin1("motif") << 2 << 1
                 << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
                 << SizeInfo(QPoint(11, 11), QSize( 90, 90), QSize(100,100))
                 << SizeInfo(QPoint(11 + 100 + 6, 11), QSize( 90, 90))
                 );
-    QTest::newRow("2x1 grid, extend to minimumSize, windows") << QString::fromAscii("windows") << 2 << 1
+    QTest::newRow("2x1 grid, extend to minimumSize, windows") << QString::fromLatin1("windows") << 2 << 1
                 << int(QSizePolicy::Preferred) << QSize() << (SizeInfoList()
                 << SizeInfo(QPoint(11, 11), QSize( 90, 90), QSize(100,100))
                 << SizeInfo(QPoint(11 + 100 + 6, 11), QSize( 90, 90))
@@ -1430,7 +1430,7 @@ void tst_QGridLayout::layoutSpacingImplementation_data()
             w->setLayout(layout);
             int pw = up->sizeHint().width();
             int ph = up->sizeHint().height();
-            QByteArray testName = QString::fromAscii("arrowpad with %1 empty rows, %2 empty columns").arg(yoff).arg(xoff).toLatin1();
+            QByteArray testName = QString::fromLatin1("arrowpad with %1 empty rows, %2 empty columns").arg(yoff).arg(xoff).toLatin1();
             QTest::newRow(testName.data())
                     << w << (PointList()
                     << QPoint(0 + pw + 5, 3)
diff --git a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
index 76cc93c979..971f60bb3e 100644
--- a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
+++ b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
@@ -1204,25 +1204,25 @@ void tst_QShortcut::sendKeyEvents(QWidget *w, int k1, QChar c1, int k2, QChar c2
     k4 &= ~Qt::MODIFIER_MASK;
 
 
-    if (k1 || c1.toAscii()) {
+    if (k1 || c1.toLatin1()) {
         QString c(c1.unicode() == QChar::Null ? QString() : QString(c1));
         QTest::sendKeyEvent(QTest::Press, w, static_cast<Qt::Key>(k1), c, b1);
 	QTest::sendKeyEvent(QTest::Release, w, static_cast<Qt::Key>(k1), c, b1);
     }
 
-    if (k2 || c2.toAscii()) {
+    if (k2 || c2.toLatin1()) {
         QString c(c2.unicode() == QChar::Null ? QString() : QString(c2));
 	QTest::sendKeyEvent(QTest::Press, w, static_cast<Qt::Key>(k2), c, b2);
 	QTest::sendKeyEvent(QTest::Release, w, static_cast<Qt::Key>(k2), c, b2);
     }
 
-    if (k3 || c3.toAscii()) {
+    if (k3 || c3.toLatin1()) {
         QString c(c3.unicode() == QChar::Null ? QString() : QString(c3));
 	QTest::sendKeyEvent(QTest::Press, w, static_cast<Qt::Key>(k3), c, b3);
 	QTest::sendKeyEvent(QTest::Release, w, static_cast<Qt::Key>(k3), c, b3);
     }
 
-    if (k4 || c4.toAscii()) {
+    if (k4 || c4.toLatin1()) {
         QString c(c4.unicode() == QChar::Null ? QString() : QString(c4));
 	QTest::sendKeyEvent(QTest::Press, w, static_cast<Qt::Key>(k4), c, b4);
 	QTest::sendKeyEvent(QTest::Release, w, static_cast<Qt::Key>(k4), c, b4);
diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
index ba2eb142c3..6e88c6e74e 100644
--- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
@@ -4332,7 +4332,7 @@ void tst_QWidget::setWindowGeometry_data()
                           .arg(rect.y())
                           .arg(rect.width())
                           .arg(rect.height())
-                          .arg(windowFlag, 0, 16).toAscii())
+                          .arg(windowFlag, 0, 16).toLatin1())
                 << l
                 << windowFlag;
         }
diff --git a/tests/auto/widgets/util/qcompleter/tst_qcompleter.cpp b/tests/auto/widgets/util/qcompleter/tst_qcompleter.cpp
index a257eb1798..61b0e04624 100644
--- a/tests/auto/widgets/util/qcompleter/tst_qcompleter.cpp
+++ b/tests/auto/widgets/util/qcompleter/tst_qcompleter.cpp
@@ -266,7 +266,7 @@ retry:
 
     for (int i = 0; i < step.length(); i++) {
         int row = completer->currentRow();
-        switch (step[i].toUpper().toAscii()) {
+        switch (step[i].toUpper().toLatin1()) {
         case 'P': --row; break;
         case 'N': ++row; break;
         case 'L': row = completer->completionCount() - 1; break;
diff --git a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
index 4730d7d556..90b5a88805 100644
--- a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
+++ b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
@@ -1271,7 +1271,7 @@ void tst_QComboBox::insertOnCurrentIndex()
     testWidget->addItem("first item");
     testWidget->setCurrentIndex(0);
     testWidget->insertItem(0, "second item");
-    QCOMPARE(testWidget->lineEdit()->text(), QString::fromAscii("first item"));
+    QCOMPARE(testWidget->lineEdit()->text(), QString::fromLatin1("first item"));
 }
 
 void tst_QComboBox::textpixmapdata_data()
@@ -1669,33 +1669,33 @@ void tst_QComboBox::flaggedItems_data()
         KeyList keyMovementList;
 
         keyMovementList << Qt::Key_Down << Qt::Key_Down << Qt::Key_Down << Qt::Key_Down;
-        QTest::newRow(testCase.toAscii() + "normal") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
+        QTest::newRow(testCase.toLatin1() + "normal") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
 
         deselectFlagList.clear();
         disableFlagList.clear();
         deselectFlagList << 1 << 3;
-        QTest::newRow(testCase.toAscii() + "non-selectable") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
+        QTest::newRow(testCase.toLatin1() + "non-selectable") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
 
         deselectFlagList.clear();
         disableFlagList.clear();
         disableFlagList << 2;
-        QTest::newRow(testCase.toAscii() + "disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 5;
+        QTest::newRow(testCase.toLatin1() + "disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 5;
 
         deselectFlagList.clear();
         disableFlagList.clear();
         deselectFlagList << 1 << 3;
         disableFlagList << 2 << 3;
-        QTest::newRow(testCase.toAscii() + "mixed") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 6;
+        QTest::newRow(testCase.toLatin1() + "mixed") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 6;
         deselectFlagList.clear();
         disableFlagList.clear();
         disableFlagList << 0 << 1 << 2 << 3 << 4 << 5 << 6;
-        QTest::newRow(testCase.toAscii() + "nearly-empty") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 7;
+        QTest::newRow(testCase.toLatin1() + "nearly-empty") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 7;
 
         deselectFlagList.clear();
         disableFlagList.clear();
         disableFlagList << 0 << 1 << 2 << 3 << 5 << 6 << 7;
         keyMovementList.clear();
-        QTest::newRow(testCase.toAscii() + "only one enabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
+        QTest::newRow(testCase.toLatin1() + "only one enabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
 
         if (!editable) {
             deselectFlagList.clear();
@@ -1703,38 +1703,38 @@ void tst_QComboBox::flaggedItems_data()
             keyMovementList.clear();
             disableFlagList << 0 << 2 << 3;
             keyMovementList << Qt::Key_Down << Qt::Key_Home;
-            QTest::newRow(testCase.toAscii() + "home-disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 1;
+            QTest::newRow(testCase.toLatin1() + "home-disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 1;
 
             keyMovementList.clear();
             keyMovementList << Qt::Key_End;
-            QTest::newRow(testCase.toAscii() + "end-key") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 7;
+            QTest::newRow(testCase.toLatin1() + "end-key") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 7;
 
             disableFlagList.clear();
             disableFlagList << 1 ;
             keyMovementList << Qt::Key_T;
-            QTest::newRow(testCase.toAscii() + "keyboard-search") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
+            QTest::newRow(testCase.toLatin1() + "keyboard-search") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
 
             itemList << "nine" << "ten";
             keyMovementList << Qt::Key_T;
-            QTest::newRow(testCase.toAscii() + "search same start letter") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 9;
+            QTest::newRow(testCase.toLatin1() + "search same start letter") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 9;
 
             keyMovementList.clear();
             keyMovementList << Qt::Key_T << Qt::Key_H;
-            QTest::newRow(testCase.toAscii() + "keyboard search item") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
+            QTest::newRow(testCase.toLatin1() + "keyboard search item") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
 
             disableFlagList.clear();
             disableFlagList << 1 << 3 << 5 << 7 << 9;
             keyMovementList.clear();
             keyMovementList << Qt::Key_End << Qt::Key_Up << Qt::Key_Up << Qt::Key_PageDown << Qt::Key_PageUp << Qt::Key_PageUp << Qt::Key_Down;
-            QTest::newRow(testCase.toAscii() + "all key combinations") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
+            QTest::newRow(testCase.toLatin1() + "all key combinations") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 4;
         } else {
             deselectFlagList.clear();
             disableFlagList.clear();
             disableFlagList << 1;
             keyMovementList.clear();
             keyMovementList << Qt::Key_T << Qt::Key_Enter;
-            QTest::newRow(testCase.toAscii() + "disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
-            QTest::newRow(testCase.toAscii() + "broken autocompletion") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
+            QTest::newRow(testCase.toLatin1() + "disabled") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
+            QTest::newRow(testCase.toLatin1() + "broken autocompletion") << itemList << deselectFlagList << disableFlagList << keyMovementList << bool(editable) << 2;
         }
     }
 }
diff --git a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
index 6a1f418739..6f7d7517e8 100644
--- a/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
+++ b/tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp
@@ -980,7 +980,7 @@ void tst_QMenuBar::check_altPress()
 {
     if ( !qApp->style()->styleHint(QStyle::SH_MenuBar_AltKeyNavigation) ) {
 	QSKIP( QString( "this is not supposed to work in the %1 style. Skipping." ).
-	      arg( qApp->style()->objectName() ).toAscii());
+	      arg( qApp->style()->objectName() ).toLatin1());
     }
 
     initSimpleMenubar();
diff --git a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
index 4019faf428..1052bb2103 100644
--- a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
+++ b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
@@ -345,7 +345,7 @@ void tst_QPlainTextEdit::selectAllSetsNotSelection()
     ed->insertPlainText("Hello World");
     ed->selectAll();
 
-    QCOMPARE(QApplication::clipboard()->text(QClipboard::Selection), QString::fromAscii("foobar"));
+    QCOMPARE(QApplication::clipboard()->text(QClipboard::Selection), QString::fromLatin1("foobar"));
 }
 #endif
 
diff --git a/tests/auto/widgets/widgets/qpushbutton/tst_qpushbutton.cpp b/tests/auto/widgets/widgets/qpushbutton/tst_qpushbutton.cpp
index 1c06197d11..7696ab2dea 100644
--- a/tests/auto/widgets/widgets/qpushbutton/tst_qpushbutton.cpp
+++ b/tests/auto/widgets/widgets/qpushbutton/tst_qpushbutton.cpp
@@ -561,37 +561,37 @@ void tst_QPushButton::sizeHint_data()
 {
     QTest::addColumn<QString>("stylename");
 #if !defined(QT_NO_STYLE_MOTIF)
-    QTest::newRow("motif") << QString::fromAscii("motif");
+    QTest::newRow("motif") << QString::fromLatin1("motif");
 #endif
 #if !defined(QT_NO_STYLE_CDE)
-    QTest::newRow("cde") << QString::fromAscii("cde");
+    QTest::newRow("cde") << QString::fromLatin1("cde");
 #endif
 #if !defined(QT_NO_STYLE_WINDOWS)
-    QTest::newRow("windows") << QString::fromAscii("windows");
+    QTest::newRow("windows") << QString::fromLatin1("windows");
 #endif
 #if !defined(QT_NO_STYLE_CLEANLOOKS)
-    QTest::newRow("cleanlooks") << QString::fromAscii("cleanlooks");
+    QTest::newRow("cleanlooks") << QString::fromLatin1("cleanlooks");
 #endif
 #if !defined(QT_NO_STYLE_GTK)
-    QTest::newRow("gtk") << QString::fromAscii("gtk");
+    QTest::newRow("gtk") << QString::fromLatin1("gtk");
 #endif
 #if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
-    QTest::newRow("mac") << QString::fromAscii("mac");
+    QTest::newRow("mac") << QString::fromLatin1("mac");
 #endif
 #if !defined(QT_NO_STYLE_PLASTIQUE)
-    QTest::newRow("plastique") << QString::fromAscii("plastique");
+    QTest::newRow("plastique") << QString::fromLatin1("plastique");
 #endif
 #if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSXP)
-    QTest::newRow("windowsxp") << QString::fromAscii("windowsxp");
+    QTest::newRow("windowsxp") << QString::fromLatin1("windowsxp");
 #endif
 #if defined(Q_OS_WIN) && !defined(QT_NO_STYLE_WINDOWSVISTA)
-    QTest::newRow("windowsvista") << QString::fromAscii("windowsvista");
+    QTest::newRow("windowsvista") << QString::fromLatin1("windowsvista");
 #endif
 #if defined(Q_OS_WINCE) && !defined(QT_NO_STYLE_WINDOWSCE)
-    QTest::newRow("windowsce") << QString::fromAscii("windowsce");
+    QTest::newRow("windowsce") << QString::fromLatin1("windowsce");
 #endif
 #if defined(Q_OS_WINCE_WM) && !defined(QT_NO_STYLE_WINDOWSCE)
-    QTest::newRow("windowsmobile") << QString::fromAscii("windowsmobile");
+    QTest::newRow("windowsmobile") << QString::fromLatin1("windowsmobile");
 #endif
 }
 
diff --git a/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp b/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp
index a3f58c4c0d..88489f4328 100644
--- a/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp
+++ b/tests/auto/widgets/widgets/qtextedit/tst_qtextedit.cpp
@@ -604,7 +604,7 @@ void tst_QTextEdit::selectAllSetsNotSelection()
     ed->insertPlainText("Hello World");
     ed->selectAll();
 
-    QCOMPARE(QApplication::clipboard()->text(QClipboard::Selection), QString::fromAscii("foobar"));
+    QCOMPARE(QApplication::clipboard()->text(QClipboard::Selection), QString::fromLatin1("foobar"));
 }
 #endif
 void tst_QTextEdit::asciiTab()