4 files changed, 5 insertions, 6 deletions
diff --git a/src/plugins/platforms/vnc/main.cpp b/src/plugins/platforms/vnc/main.cpp
index 3ec0f0b78d..ac7e18e03f 100644
--- a/src/plugins/platforms/vnc/main.cpp
+++ b/src/plugins/platforms/vnc/main.cpp
@@ -56,7 +56,7 @@ QPlatformIntegration* QVncIntegrationPlugin::create(const QString& system, const
     if (!system.compare(QLatin1String("vnc"), Qt::CaseInsensitive))
         return new QVncIntegration(paramList);
 
-    return 0;
+    return nullptr;
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/vnc/qvnc.cpp b/src/plugins/platforms/vnc/qvnc.cpp
index 32114c6443..8390fa19cd 100644
--- a/src/plugins/platforms/vnc/qvnc.cpp
+++ b/src/plugins/platforms/vnc/qvnc.cpp
@@ -537,7 +537,7 @@ QVncClientCursor::QVncClientCursor()
 {
     QWindow *w = QGuiApplication::focusWindow();
     QCursor c = w ? w->cursor() : QCursor(Qt::ArrowCursor);
-    changeCursor(&c, 0);
+    changeCursor(&c, nullptr);
 }
 
 QVncClientCursor::~QVncClientCursor()
@@ -595,7 +595,7 @@ void QVncClientCursor::changeCursor(QCursor *widgetCursor, QWindow *window)
         cursor = widgetCursor->pixmap().toImage();
     } else {
         // system cursor
-        QPlatformCursorImage platformImage(0, 0, 0, 0, 0, 0);
+        QPlatformCursorImage platformImage(nullptr, nullptr, 0, 0, 0, 0);
         platformImage.set(shape);
         cursor = *platformImage.image();
         hotspot = platformImage.hotspot();
diff --git a/src/plugins/platforms/vnc/qvncclient.cpp b/src/plugins/platforms/vnc/qvncclient.cpp
index 3a373a5e4b..c5caddc58d 100644
--- a/src/plugins/platforms/vnc/qvncclient.cpp
+++ b/src/plugins/platforms/vnc/qvncclient.cpp
@@ -65,7 +65,6 @@ QVncClient::QVncClient(QTcpSocket *clientSocket, QVncServer *server)
     , m_cutTextPending(0)
     , m_supportHextile(false)
     , m_wantUpdate(false)
-    , m_keymod(0)
     , m_dirtyCursor(false)
     , m_updatePending(false)
     , m_protocolVersion(V3_3)
@@ -618,7 +617,7 @@ void QVncClient::keyEvent()
             m_keymod = ev.down ? m_keymod | Qt::AltModifier :
                                  m_keymod & ~Qt::AltModifier;
         if (ev.unicode || ev.keycode)
-            QWindowSystemInterface::handleKeyEvent(0, ev.down ? QEvent::KeyPress : QEvent::KeyRelease, ev.keycode, m_keymod, QString(ev.unicode));
+            QWindowSystemInterface::handleKeyEvent(nullptr, ev.down ? QEvent::KeyPress : QEvent::KeyRelease, ev.keycode, m_keymod, QString(ev.unicode));
         m_handleMsg = false;
     }
 }
diff --git a/src/plugins/platforms/vnc/qvncscreen.cpp b/src/plugins/platforms/vnc/qvncscreen.cpp
index 2eca18fb4d..5dc3919ff5 100644
--- a/src/plugins/platforms/vnc/qvncscreen.cpp
+++ b/src/plugins/platforms/vnc/qvncscreen.cpp
@@ -101,7 +101,7 @@ bool QVncScreen::initialize()
     default:
         qWarning("QVNCScreen::initDevice: No support for screen depth %d",
                  depth());
-        dirty = 0;
+        dirty = nullptr;
         return false;
     }