diff --git a/src/plugins/cpaster/cpasterplugin.cpp b/src/plugins/cpaster/cpasterplugin.cpp
index a9d18b0c4f4..8045826e29c 100644
--- a/src/plugins/cpaster/cpasterplugin.cpp
+++ b/src/plugins/cpaster/cpasterplugin.cpp
@@ -94,7 +94,7 @@ void CodePasterServiceImpl::postClipboard()
 }
 
 // ---------- CodepasterPlugin
-CodepasterPlugin *CodepasterPlugin::m_instance = 0;
+CodepasterPlugin *CodepasterPlugin::m_instance = nullptr;
 
 CodepasterPlugin::CodepasterPlugin() :
     m_settings(new Settings)
@@ -106,7 +106,7 @@ CodepasterPlugin::~CodepasterPlugin()
 {
     delete m_urlOpen;
     qDeleteAll(m_protocols);
-    CodepasterPlugin::m_instance = 0;
+    CodepasterPlugin::m_instance = nullptr;
 }
 
 bool CodepasterPlugin::initialize(const QStringList &arguments, QString *errorMessage)
diff --git a/src/plugins/cpaster/fileshareprotocol.cpp b/src/plugins/cpaster/fileshareprotocol.cpp
index 687521cb64e..a3be32d7eaf 100644
--- a/src/plugins/cpaster/fileshareprotocol.cpp
+++ b/src/plugins/cpaster/fileshareprotocol.cpp
@@ -80,7 +80,7 @@ Core::IOptionsPage *FileShareProtocol::settingsPage() const
 
 static bool parse(const QString &fileName,
                   QString *errorMessage,
-                  QString *user = 0, QString *description = 0, QString *text = 0)
+                  QString *user = nullptr, QString *description = nullptr, QString *text = nullptr)
 {
     unsigned elementCount = 0;
 
diff --git a/src/plugins/cpaster/fileshareprotocolsettingspage.cpp b/src/plugins/cpaster/fileshareprotocolsettingspage.cpp
index c8e44d4492c..2a4c14ae601 100644
--- a/src/plugins/cpaster/fileshareprotocolsettingspage.cpp
+++ b/src/plugins/cpaster/fileshareprotocolsettingspage.cpp
@@ -93,7 +93,7 @@ FileShareProtocolSettings FileShareProtocolSettingsWidget::settings() const
 // ----------FileShareProtocolSettingsPage
 FileShareProtocolSettingsPage::FileShareProtocolSettingsPage(const QSharedPointer<FileShareProtocolSettings> &s,
                                                              QObject *parent) :
-    Core::IOptionsPage(parent), m_settings(s), m_widget(0)
+    Core::IOptionsPage(parent), m_settings(s), m_widget(nullptr)
 {
     setId("X.CodePaster.FileSharePaster");
     setDisplayName(tr("Fileshare"));
diff --git a/src/plugins/cpaster/kdepasteprotocol.cpp b/src/plugins/cpaster/kdepasteprotocol.cpp
index fe61dd208eb..d182005c1de 100644
--- a/src/plugins/cpaster/kdepasteprotocol.cpp
+++ b/src/plugins/cpaster/kdepasteprotocol.cpp
@@ -259,7 +259,7 @@ void StickyNotesPasteProtocol::listFinished()
         emit listDone(name(), parseList(m_listReply));
     }
     m_listReply->deleteLater();
-    m_listReply = 0;
+    m_listReply = nullptr;
 }
 
 QString KdePasteProtocol::protocolName()
diff --git a/src/plugins/cpaster/pastebindotcaprotocol.cpp b/src/plugins/cpaster/pastebindotcaprotocol.cpp
index 91f2878c2a1..6d413a37b7f 100644
--- a/src/plugins/cpaster/pastebindotcaprotocol.cpp
+++ b/src/plugins/cpaster/pastebindotcaprotocol.cpp
@@ -243,7 +243,7 @@ void PasteBinDotCaProtocol::listFinished()
     else
         emit listDone(name(), parseLists(m_listReply));
     m_listReply->deleteLater();
-    m_listReply = 0;
+    m_listReply = nullptr;
 }
 
 } // namespace CodePaster
diff --git a/src/plugins/cpaster/pastebindotcomprotocol.cpp b/src/plugins/cpaster/pastebindotcomprotocol.cpp
index 15c0d533e2b..20e071d5371 100644
--- a/src/plugins/cpaster/pastebindotcomprotocol.cpp
+++ b/src/plugins/cpaster/pastebindotcomprotocol.cpp
@@ -176,7 +176,7 @@ void PasteBinDotComProtocol::fetchFinished()
         }
     }
     m_fetchReply->deleteLater();
-    m_fetchReply = 0;
+    m_fetchReply = nullptr;
     emit fetchDone(title, content, error);
 }
 
@@ -410,7 +410,7 @@ void PasteBinDotComProtocol::listFinished()
             qDebug() << list;
     }
     m_listReply->deleteLater();
-    m_listReply = 0;
+    m_listReply = nullptr;
 }
 
 } // namespace CodePaster
diff --git a/src/plugins/cpaster/protocol.cpp b/src/plugins/cpaster/protocol.cpp
index 62805451184..f79bed2a463 100644
--- a/src/plugins/cpaster/protocol.cpp
+++ b/src/plugins/cpaster/protocol.cpp
@@ -161,7 +161,7 @@ bool Protocol::showConfigurationError(const Protocol *p,
         parent = Core::ICore::mainWindow();
     const QString title = tr("%1 - Configuration Error").arg(p->name());
     QMessageBox mb(QMessageBox::Warning, title, message, QMessageBox::Cancel, parent);
-    QPushButton *settingsButton = 0;
+    QPushButton *settingsButton = nullptr;
     if (showConfig)
         settingsButton = mb.addButton(Core::ICore::msgShowOptionsDialog(), QMessageBox::AcceptRole);
     mb.exec();
diff --git a/src/plugins/cpaster/settingspage.cpp b/src/plugins/cpaster/settingspage.cpp
index 0926b498873..892b790fe5c 100644
--- a/src/plugins/cpaster/settingspage.cpp
+++ b/src/plugins/cpaster/settingspage.cpp
@@ -63,7 +63,7 @@ Settings SettingsWidget::settings()
 }
 
 SettingsPage::SettingsPage(const QSharedPointer<Settings> &settings) :
-    m_settings(settings), m_widget(0)
+    m_settings(settings), m_widget(nullptr)
 {
     setId("A.CodePaster.General");
     setDisplayName(tr("General"));
diff --git a/src/plugins/cpaster/urlopenprotocol.cpp b/src/plugins/cpaster/urlopenprotocol.cpp
index 01f2a5c0c05..64f416b19eb 100644
--- a/src/plugins/cpaster/urlopenprotocol.cpp
+++ b/src/plugins/cpaster/urlopenprotocol.cpp
@@ -59,7 +59,7 @@ void UrlOpenProtocol::fetchFinished()
     else
         content = QString::fromUtf8(m_fetchReply->readAll());
     m_fetchReply->deleteLater();
-    m_fetchReply = 0;
+    m_fetchReply = nullptr;
     emit fetchDone(title, content, error);
 }