diff --git a/autotests/kurlcomboboxtest.h b/autotests/kurlcomboboxtest.h
--- a/autotests/kurlcomboboxtest.h
+++ b/autotests/kurlcomboboxtest.h
@@ -29,6 +29,7 @@
 private Q_SLOTS:
     void testTextForItem();
     void testTextForItem_data();
+    void testSetUrlMultipleTimes();
 };
 
 #endif //KURLCOMBOBOXTEST_H
diff --git a/autotests/kurlcomboboxtest.cpp b/autotests/kurlcomboboxtest.cpp
--- a/autotests/kurlcomboboxtest.cpp
+++ b/autotests/kurlcomboboxtest.cpp
@@ -45,3 +45,10 @@
     QCOMPARE(combo.itemText(0), expectedText);
 
 }
+
+void KUrlComboBoxTest::testSetUrlMultipleTimes()
+{
+    KUrlComboBox combo(KUrlComboBox::Directories);
+    combo.setUrl(QUrl("http://kde.org"));
+    combo.setUrl(QUrl("http://www.kde.org"));
+}
diff --git a/src/widgets/kurlcombobox.cpp b/src/widgets/kurlcombobox.cpp
--- a/src/widgets/kurlcombobox.cpp
+++ b/src/widgets/kurlcombobox.cpp
@@ -29,20 +29,16 @@
 #include <klocalizedstring.h>
 #include <kiconloader.h>
 
+#include <memory>
+
 class KUrlComboBoxPrivate
 {
 public:
     KUrlComboBoxPrivate(KUrlComboBox *parent)
         : m_parent(parent),
           dirIcon(QStringLiteral("folder"))
     {}
 
-    ~KUrlComboBoxPrivate()
-    {
-        qDeleteAll(itemList);
-        qDeleteAll(defaultList);
-    }
-
     struct KUrlComboItem {
         KUrlComboItem(const QUrl &url, const QIcon &icon, const QString &text = QString())
             : url(url), icon(icon), text(text) {}
@@ -52,10 +48,10 @@
     };
 
     void init(KUrlComboBox::Mode mode);
-    QString textForItem(const KUrlComboItem *item) const;
-    void insertUrlItem(const KUrlComboItem *);
+    QString textForItem(std::shared_ptr<const KUrlComboItem> item) const;
+    void insertUrlItem(std::shared_ptr<const KUrlComboItem> item);
     QIcon getIcon(const QUrl &url) const;
-    void updateItem(const KUrlComboItem *item, int index, const QIcon &icon);
+    void updateItem(std::shared_ptr<const KUrlComboItem> item, int index, const QIcon &icon);
 
     void _k_slotActivated(int);
 
@@ -66,14 +62,14 @@
     KUrlComboBox::Mode myMode;
     QPoint m_dragPoint;
 
-    QList<const KUrlComboItem *> itemList;
-    QList<const KUrlComboItem *> defaultList;
-    QMap<int, const KUrlComboItem *> itemMapper;
+    QList<std::shared_ptr<const KUrlComboItem>> itemList;
+    QList<std::shared_ptr<const KUrlComboItem>> defaultList;
+    QMap<int, std::shared_ptr<const KUrlComboItem>> itemMapper;
 
     QIcon opendirIcon;
 };
 
-QString KUrlComboBoxPrivate::textForItem(const KUrlComboItem *item) const
+QString KUrlComboBoxPrivate::textForItem(std::shared_ptr<const KUrlComboItem> item) const
 {
     if (!item->text.isEmpty()) {
         return item->text;
@@ -156,18 +152,16 @@
 void KUrlComboBox::addDefaultUrl(const QUrl &url, const QIcon &icon,
                                  const QString &text)
 {
-    d->defaultList.append(new KUrlComboBoxPrivate::KUrlComboItem(url, icon, text));
+    d->defaultList.append(std::shared_ptr<KUrlComboBoxPrivate::KUrlComboItem>(new KUrlComboBoxPrivate::KUrlComboItem(url, icon, text)));
 }
 
 void KUrlComboBox::setDefaults()
 {
     clear();
     d->itemMapper.clear();
 
-    const KUrlComboBoxPrivate::KUrlComboItem *item;
     for (int id = 0; id < d->defaultList.count(); id++) {
-        item = d->defaultList.at(id);
-        d->insertUrlItem(item);
+        d->insertUrlItem(d->defaultList.at(id));
     }
 }
 
@@ -179,7 +173,6 @@
 void KUrlComboBox::setUrls(const QStringList &_urls, OverLoadResolving remove)
 {
     setDefaults();
-    qDeleteAll(d->itemList);
     d->itemList.clear();
     d->urlAdded = false;
 
@@ -217,8 +210,6 @@
 
     it = urls.constBegin();
 
-    KUrlComboBoxPrivate::KUrlComboItem *item = nullptr;
-
     while (it != urls.constEnd()) {
         if ((*it).isEmpty()) {
             ++it;
@@ -237,7 +228,7 @@
             continue;
         }
 
-        item = new KUrlComboBoxPrivate::KUrlComboItem(u, d->getIcon(u));
+        std::shared_ptr<KUrlComboBoxPrivate::KUrlComboItem> item(new KUrlComboBoxPrivate::KUrlComboItem(u, d->getIcon(u)));
         d->insertUrlItem(item);
         d->itemList.append(item);
         ++it;
@@ -253,7 +244,7 @@
     bool blocked = blockSignals(true);
 
     // check for duplicates
-    QMap<int, const KUrlComboBoxPrivate::KUrlComboItem *>::ConstIterator mit = d->itemMapper.constBegin();
+    auto mit = d->itemMapper.constBegin();
     QString urlToInsert = url.toString(QUrl::StripTrailingSlash);
     while (mit != d->itemMapper.constEnd()) {
         Q_ASSERT(mit.value());
@@ -287,7 +278,7 @@
         d->insertUrlItem(d->itemList[i]);
     }
 
-    KUrlComboBoxPrivate::KUrlComboItem *item = new KUrlComboBoxPrivate::KUrlComboItem(url, d->getIcon(url));
+    std::shared_ptr<KUrlComboBoxPrivate::KUrlComboItem> item(new KUrlComboBoxPrivate::KUrlComboItem(url, d->getIcon(url)));
 
     const int id = count();
     const QString text = d->textForItem(item);
@@ -308,15 +299,15 @@
 
 void KUrlComboBoxPrivate::_k_slotActivated(int index)
 {
-    const KUrlComboItem *item = itemMapper.value(index);
+    auto item = itemMapper.value(index);
 
     if (item) {
         m_parent->setUrl(item->url);
         emit m_parent->urlActivated(item->url);
     }
 }
 
-void KUrlComboBoxPrivate::insertUrlItem(const KUrlComboBoxPrivate::KUrlComboItem *item)
+void KUrlComboBoxPrivate::insertUrlItem(std::shared_ptr<const KUrlComboBoxPrivate::KUrlComboItem> item)
 {
     Q_ASSERT(item);
 
@@ -356,7 +347,7 @@
 
 void KUrlComboBox::removeUrl(const QUrl &url, bool checkDefaultURLs)
 {
-    QMap<int, const KUrlComboBoxPrivate::KUrlComboItem *>::ConstIterator mit = d->itemMapper.constBegin();
+    auto mit = d->itemMapper.constBegin();
     while (mit != d->itemMapper.constEnd()) {
         if (url.toString(QUrl::StripTrailingSlash) == mit.value()->url.toString(QUrl::StripTrailingSlash)) {
             if (!d->itemList.removeAll(mit.value()) && checkDefaultURLs) {
@@ -368,7 +359,7 @@
 
     bool blocked = blockSignals(true);
     setDefaults();
-    QListIterator<const KUrlComboBoxPrivate::KUrlComboItem *> it(d->itemList);
+    QListIterator<std::shared_ptr<const KUrlComboBoxPrivate::KUrlComboItem>> it(d->itemList);
     while (it.hasNext()) {
         d->insertUrlItem(it.next());
     }
@@ -406,7 +397,7 @@
 void KUrlComboBox::mouseMoveEvent(QMouseEvent *event)
 {
     const int index = currentIndex();
-    const KUrlComboBoxPrivate::KUrlComboItem *item = d->itemMapper.value(index);
+    auto item = d->itemMapper.value(index);
 
     if (item && !d->m_dragPoint.isNull() && event->buttons() & Qt::LeftButton &&
             (event->pos() - d->m_dragPoint).manhattanLength() > QApplication::startDragDistance()) {
@@ -436,7 +427,7 @@
 // updates "item" with icon "icon"
 // kdelibs4 used to also say "and sets the URL instead of text", but this breaks const-ness,
 // now that it would require clearing the text, and I don't see the point since the URL was already in the text.
-void KUrlComboBoxPrivate::updateItem(const KUrlComboBoxPrivate::KUrlComboItem *item,
+void KUrlComboBoxPrivate::updateItem(std::shared_ptr<const KUrlComboItem> item,
                                      int index, const QIcon &icon)
 {
     m_parent->setItemIcon(index, icon);