diff --git a/src/gui/src/SettingsDialog.cpp b/src/gui/src/SettingsDialog.cpp
index 15f7067f..24bb86c6 100644
--- a/src/gui/src/SettingsDialog.cpp
+++ b/src/gui/src/SettingsDialog.cpp
@@ -31,8 +31,6 @@
 #include <QFileDialog>
 #include <QDir>
 
-static const char networkSecurity[] = "ns";
-
 SettingsDialog::SettingsDialog(QWidget* parent, AppConfig& config) :
     QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint),
     Ui::SettingsDialogBase(),
@@ -136,4 +134,4 @@ void SettingsDialog::on_m_pComboLanguage_currentIndexChanged(int index)
 {
     QString ietfCode = m_pComboLanguage->itemData(index).toString();
     QBarrierApplication::getInstance()->switchTranslator(ietfCode);
-}
\ No newline at end of file
+}
diff --git a/src/lib/arch/unix/ArchNetworkBSD.cpp b/src/lib/arch/unix/ArchNetworkBSD.cpp
index 2a9259ca..496c9888 100644
--- a/src/lib/arch/unix/ArchNetworkBSD.cpp
+++ b/src/lib/arch/unix/ArchNetworkBSD.cpp
@@ -690,7 +690,6 @@ ArchNetworkBSD::nameToAddr(const std::string& name)
     // allocate address
     ArchNetAddressImpl* addr = new ArchNetAddressImpl;
 
-    char ipstr[INET6_ADDRSTRLEN];
     struct addrinfo hints;
     struct addrinfo *p;
     int ret;
diff --git a/src/lib/barrier/ServerApp.cpp b/src/lib/barrier/ServerApp.cpp
index 318673ca..c1cb962d 100644
--- a/src/lib/barrier/ServerApp.cpp
+++ b/src/lib/barrier/ServerApp.cpp
@@ -684,9 +684,9 @@ ServerApp::handleNoClients(const Event&, void*)
 void
 ServerApp::handleScreenSwitched(const Event& e, void*)
 {
-    Server::SwitchToScreenInfo* info = (Server::SwitchToScreenInfo*)(e.getData());
-
     #ifdef WINAPI_XWINDOWS
+        Server::SwitchToScreenInfo* info = (Server::SwitchToScreenInfo*)(e.getData());
+
         if (!args().m_screenChangeScript.empty()) {
             LOG((CLOG_INFO "Running shell script for screen \"%s\"", info->m_screen));
 
diff --git a/src/lib/ipc/IpcLogOutputter.cpp b/src/lib/ipc/IpcLogOutputter.cpp
index b62c76a0..8f649d2f 100644
--- a/src/lib/ipc/IpcLogOutputter.cpp
+++ b/src/lib/ipc/IpcLogOutputter.cpp
@@ -44,8 +44,8 @@ IpcLogOutputter::IpcLogOutputter(IpcServer& ipcServer, EIpcClientType clientType
     m_running(false),
     m_notifyCond(ARCH->newCondVar()),
     m_notifyMutex(ARCH->newMutex()),
-    m_bufferThreadId(0),
     m_bufferWaiting(false),
+    m_bufferThreadId(0),
     m_bufferMaxSize(kBufferMaxSize),
     m_bufferRateWriteLimit(kBufferRateWriteLimit),
     m_bufferRateTimeLimit(kBufferRateTimeLimit),
diff --git a/src/lib/net/SecureSocket.h b/src/lib/net/SecureSocket.h
index 773b5088..d4c36d4d 100644
--- a/src/lib/net/SecureSocket.h
+++ b/src/lib/net/SecureSocket.h
@@ -39,21 +39,21 @@ public:
     ~SecureSocket();
 
     // ISocket overrides
-    void                close();
+    void                close() override;
 
     // IDataSocket overrides
-    virtual void        connect(const NetworkAddress&);
+    virtual void        connect(const NetworkAddress&) override;
     
     std::unique_ptr<ISocketMultiplexerJob> newJob() override;
-    bool                isFatal() const { return m_fatal; }
+    bool                isFatal() const override { return m_fatal; }
     void                isFatal(bool b) { m_fatal = b; }
     bool                isSecureReady();
     void                secureConnect();
     void                secureAccept();
     int                    secureRead(void* buffer, int size, int& read);
     int                    secureWrite(const void* buffer, int size, int& wrote);
-    EJobResult            doRead();
-    EJobResult            doWrite();
+    EJobResult            doRead() override;
+    EJobResult            doWrite() override;
     void                initSsl(bool server);
     bool                loadCertificates(String& CertFile);
 
diff --git a/src/lib/platform/OSXDragView.m b/src/lib/platform/OSXDragView.m
index 9f774993..67dac566 100644
--- a/src/lib/platform/OSXDragView.m
+++ b/src/lib/platform/OSXDragView.m
@@ -129,13 +129,13 @@ draggingSourceOperationMask
 
 - (NSPoint)draggingLocation
 {
-	NSPoint point;
+	NSPoint point = NSMakePoint(0, 0);
 	return point;
 }
 
 - (NSPoint)draggedImageLocation
 {
-	NSPoint point;
+	NSPoint point = NSMakePoint(0, 0);
 	return point;
 }