3 files changed, 6 insertions, 6 deletions
diff --git a/src/core/kconfig.cpp b/src/core/kconfig.cpp
index ad52da9b..e0e73b8b 100644
--- a/src/core/kconfig.cpp
+++ b/src/core/kconfig.cpp
@@ -390,7 +390,7 @@ QMap<QString, QString> KConfig::entryMap(const QString &aGroup) const
     const QByteArray theGroup(aGroup.isEmpty() ? "<default>" : aGroup.toUtf8());
 
     const KEntryMapConstIterator theEnd = d->entryMap.constEnd();
-    KEntryMapConstIterator it = d->entryMap.findEntry(theGroup, 0, 0);
+    KEntryMapConstIterator it = d->entryMap.findEntry(theGroup, nullptr, nullptr);
     if (it != theEnd) {
         ++it; // advance past the special group entry marker
 
@@ -833,7 +833,7 @@ bool KConfig::isImmutable() const
 bool KConfig::isGroupImmutableImpl(const QByteArray &aGroup) const
 {
     Q_D(const KConfig);
-    return isImmutable() || d->entryMap.getEntryOption(aGroup, 0, 0, KEntryMap::EntryImmutable);
+    return isImmutable() || d->entryMap.getEntryOption(aGroup, nullptr, nullptr, KEntryMap::EntryImmutable);
 }
 
 #ifndef KDE_NO_DEPRECATED
@@ -864,7 +864,7 @@ const KConfigGroup KConfig::groupImpl(const QByteArray &group) const
 
 KEntryMap::EntryOptions convertToOptions(KConfig::WriteConfigFlags flags)
 {
-    KEntryMap::EntryOptions options = 0;
+    KEntryMap::EntryOptions options = nullptr;
 
     if (flags & KConfig::Persistent) {
         options |= KEntryMap::EntryDirty;
diff --git a/src/core/kconfiggroup.cpp b/src/core/kconfiggroup.cpp
index 700e579c..8cee2474 100644
--- a/src/core/kconfiggroup.cpp
+++ b/src/core/kconfiggroup.cpp
@@ -653,7 +653,7 @@ QString KConfigGroup::readEntryUntranslated(const char *key, const QString &aDef
 {
     Q_ASSERT_X(isValid(), "KConfigGroup::readEntryUntranslated", "accessing an invalid group");
 
-    QString result = config()->d_func()->lookupData(d->fullName(), key, KEntryMap::SearchFlags(), 0);
+    QString result = config()->d_func()->lookupData(d->fullName(), key, KEntryMap::SearchFlags(), nullptr);
     if (result.isNull()) {
         return aDefault;
     }
diff --git a/src/core/kconfigini.cpp b/src/core/kconfigini.cpp
index 3d0af962..d4262778 100644
--- a/src/core/kconfigini.cpp
+++ b/src/core/kconfigini.cpp
@@ -166,7 +166,7 @@ KConfigIniBackend::parseConfig(const QByteArray &currentLocale, KEntryMap &entry
             } while ((start = end + 2) <= line.length() && line.at(end + 1) == '[');
             currentGroup = newGroup;
 
-            groupSkip = entryMap.getEntryOption(currentGroup, 0, 0, KEntryMap::EntryImmutable);
+            groupSkip = entryMap.getEntryOption(currentGroup, nullptr, nullptr, KEntryMap::EntryImmutable);
 
             if (groupSkip && !bDefault) {
                 continue;
@@ -199,7 +199,7 @@ KConfigIniBackend::parseConfig(const QByteArray &currentLocale, KEntryMap &entry
                 continue;
             }
 
-            KEntryMap::EntryOptions entryOptions = 0;
+            KEntryMap::EntryOptions entryOptions = nullptr;
             if (groupOptionImmutable) {
                 entryOptions |= KEntryMap::EntryImmutable;
             }