3 files changed, 10 insertions, 15 deletions
diff --git a/src/nfc/qnearfieldtagtype2.cpp b/src/nfc/qnearfieldtagtype2.cpp
index 24ff8280..492dc5e3 100644
--- a/src/nfc/qnearfieldtagtype2.cpp
+++ b/src/nfc/qnearfieldtagtype2.cpp
@@ -307,9 +307,7 @@ void QNearFieldTagType2::timerEvent(QTimerEvent *event)
 
     killTimer(event->timerId());
 
-    QMutableMapIterator<QNearFieldTarget::RequestId, SectorSelectState> i(d->m_pendingSectorSelectCommands);
-    while (i.hasNext()) {
-        i.next();
+    for (auto i = d->m_pendingSectorSelectCommands.begin(), end = d->m_pendingSectorSelectCommands.end(); i != end; ++i) {
 
         SectorSelectState &state = i.value();
 
@@ -318,8 +316,7 @@ void QNearFieldTagType2::timerEvent(QTimerEvent *event)
 
             setResponseForRequest(i.key(), true);
 
-            i.remove();
-
+            d->m_pendingSectorSelectCommands.erase(i);
             break;
         }
     }
diff --git a/src/nfc/qnearfieldtarget.cpp b/src/nfc/qnearfieldtarget.cpp
index e9a6fa11..7d83db78 100644
--- a/src/nfc/qnearfieldtarget.cpp
+++ b/src/nfc/qnearfieldtarget.cpp
@@ -47,7 +47,7 @@
 
 #include <QtCore/QDebug>
 
-#include <QTime>
+#include <QElapsedTimer>
 #include <QCoreApplication>
 
 QT_BEGIN_NAMESPACE
@@ -462,7 +462,7 @@ bool QNearFieldTarget::waitForRequestCompleted(const RequestId &id, int msecs)
 {
     Q_D(QNearFieldTarget);
 
-    QTime timer;
+    QElapsedTimer timer;
     timer.start();
 
     do {
@@ -497,13 +497,12 @@ void QNearFieldTarget::setResponseForRequest(const QNearFieldTarget::RequestId &
 {
     Q_D(QNearFieldTarget);
 
-    QMutableMapIterator<RequestId, QVariant> i(d->m_decodedResponses);
-    while (i.hasNext()) {
-        i.next();
-
+    for (auto i = d->m_decodedResponses.begin(), end = d->m_decodedResponses.end(); i != end; /* erasing */) {
         // no more external references
         if (i.key().refCount() == 1)
-            i.remove();
+            i = d->m_decodedResponses.erase(i);
+        else
+            ++i;
     }
 
     d->m_decodedResponses.insert(id, response);
diff --git a/src/nfc/qqmlndefrecord.cpp b/src/nfc/qqmlndefrecord.cpp
index bc3667fe..5a96bec8 100644
--- a/src/nfc/qqmlndefrecord.cpp
+++ b/src/nfc/qqmlndefrecord.cpp
@@ -215,10 +215,9 @@ QQmlNdefRecord *qNewDeclarativeNdefRecordForNdefRecord(const QNdefRecord &record
 {
     const QString urn = urnForRecordType(record.typeNameFormat(), record.type());
 
-    QMapIterator<QString, const QMetaObject *> i(*registeredNdefRecordTypes());
-    while (i.hasNext()) {
-        i.next();
+    const auto *rt = registeredNdefRecordTypes();
 
+    for (auto i = rt->cbegin(), end = rt->cend(); i != end; ++i) {
         QRegularExpression rx(QRegularExpression::anchoredPattern(i.key()));
         if (!rx.match(urn).hasMatch())
             continue;