diff --git a/src/blackgui/components/textmessagecomponent.cpp b/src/blackgui/components/textmessagecomponent.cpp
index 54a12b6f9..ced3b10a6 100644
--- a/src/blackgui/components/textmessagecomponent.cpp
+++ b/src/blackgui/components/textmessagecomponent.cpp
@@ -345,9 +345,8 @@ namespace BlackGui
                 f2Stations = sGui->getIContextNetwork()->getOnlineStationsForFrequency(freq2, spacing);
             }
 
-            QString f1n, f2n;
-            f1n.sprintf("%03.3f", freq1.valueRounded(CFrequencyUnit::MHz(), 3));
-            f2n.sprintf("%03.3f", freq2.valueRounded(CFrequencyUnit::MHz(), 3));
+            QString f1n = QString::asprintf("%03.3f", freq1.valueRounded(CFrequencyUnit::MHz(), 3));
+            QString f2n = QString::asprintf("%03.3f", freq2.valueRounded(CFrequencyUnit::MHz(), 3));
             QString f1 = QStringLiteral("COM1: %1").arg(f1n);
             QString f2 = QStringLiteral("COM2: %1").arg(f2n);
             if (f1Stations.size() == 1)
diff --git a/src/blackinput/win/joystickwindows.cpp b/src/blackinput/win/joystickwindows.cpp
index ba9d21369..aec5e13b7 100644
--- a/src/blackinput/win/joystickwindows.cpp
+++ b/src/blackinput/win/joystickwindows.cpp
@@ -20,15 +20,14 @@ using namespace BlackMisc::Input;
 
 namespace BlackInput
 {
-    CJoystickDevice::CJoystickDevice(DirectInput8Ptr directInputPtr, const DIDEVICEINSTANCE *pdidInstance, QObject *parent)
-        : QObject(parent),
-          m_directInput(directInputPtr)
-    {
-        m_deviceName = QString::fromWCharArray(pdidInstance->tszInstanceName);
-        m_productName = QString::fromWCharArray(pdidInstance->tszProductName);
-        m_guidDevice = pdidInstance->guidInstance;
-        m_guidProduct = pdidInstance->guidProduct;
-    }
+    CJoystickDevice::CJoystickDevice(DirectInput8Ptr directInputPtr, const DIDEVICEINSTANCE *pdidInstance, QObject *parent) :
+        QObject(parent),
+        m_guidDevice(pdidInstance->guidInstance),
+        m_guidProduct(pdidInstance->guidProduct),
+        m_deviceName(QString::fromWCharArray(pdidInstance->tszInstanceName)),
+        m_productName(QString::fromWCharArray(pdidInstance->tszProductName)),
+        m_directInput(directInputPtr)
+    {}
 
     bool CJoystickDevice::init(HWND helperWindow)
     {
diff --git a/src/plugins/simulator/fs9/lobbyclient.cpp b/src/plugins/simulator/fs9/lobbyclient.cpp
index 59ecd137a..72a79f33b 100644
--- a/src/plugins/simulator/fs9/lobbyclient.cpp
+++ b/src/plugins/simulator/fs9/lobbyclient.cpp
@@ -118,7 +118,7 @@ namespace BlackSimPlugin
             }
         }
 
-        HRESULT CLobbyClient::connectFs9ToHost(const QString address)
+        HRESULT CLobbyClient::connectFs9ToHost(const QString &address)
         {
             HRESULT hr = S_OK;
 
diff --git a/src/plugins/simulator/fs9/lobbyclient.h b/src/plugins/simulator/fs9/lobbyclient.h
index c7c6aa5d9..8cc58a9bf 100644
--- a/src/plugins/simulator/fs9/lobbyclient.h
+++ b/src/plugins/simulator/fs9/lobbyclient.h
@@ -31,7 +31,7 @@ namespace BlackSimPlugin
             bool canLobbyConnect();
 
             //! Connect FS9 simulator to our host
-            HRESULT connectFs9ToHost(const QString address);
+            HRESULT connectFs9ToHost(const QString &address);
 
         private:
             //! Alloc and fill up a DPL_CONNECTION_SETTINGS. Call FreeConnectSettings later to free it.
diff --git a/src/plugins/simulator/fscommon/fsuipcimpl.cpp b/src/plugins/simulator/fscommon/fsuipcimpl.cpp
index 883d72458..6dfbe6a3e 100644
--- a/src/plugins/simulator/fscommon/fsuipcimpl.cpp
+++ b/src/plugins/simulator/fscommon/fsuipcimpl.cpp
@@ -399,8 +399,7 @@ namespace BlackSimPlugin
                 read = true;
 
                 // time, basically as a heartbeat
-                QString fsTime;
-                fsTime.sprintf("%02d:%02d:%02d", localFsTimeRaw[0], localFsTimeRaw[1], localFsTimeRaw[2]);
+                QString fsTime = QString::asprintf("%02d:%02d:%02d", localFsTimeRaw[0], localFsTimeRaw[1], localFsTimeRaw[2]);
 
                 if (cockpit)
                 {
diff --git a/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp b/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
index ebd4bc5d4..4889f7871 100644
--- a/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
+++ b/src/plugins/simulator/fsxcommon/simulatorfsxsimconnectproc.cpp
@@ -114,8 +114,7 @@ namespace BlackSimPlugin
                     // generic exception warning
                     if (logGenericExceptionInfo)
                     {
-                        QString ex;
-                        ex.sprintf("Exception=%lu | SendID=%lu | Index=%lu | cbData=%lu", exceptionId, sendId, index, data);
+                        QString ex = QString::asprintf("Exception=%lu | SendID=%lu | Index=%lu | cbData=%lu", exceptionId, sendId, index, data);
                         const QString exceptionString(CSimConnectUtilities::simConnectExceptionToString(static_cast<DWORD>(exception->dwException)));
                         const QString sendIdDetails = simulatorFsxP3D->getSendIdTraceDetails(sendId);
                         CLogMessage(simulatorFsxP3D).warning(u"Caught simConnect exception: '%1' '%2' | send details: '%3'")
diff --git a/src/xswiftbus/command.h b/src/xswiftbus/command.h
index 8d2f933ab..0ec7a1e73 100644
--- a/src/xswiftbus/command.h
+++ b/src/xswiftbus/command.h
@@ -25,9 +25,10 @@ namespace XSwiftBus
     {
     public:
         //! Constructor.
-        CCommand(const char *name, const char *description, std::function<void()> handler) : m_handler(handler)
+        CCommand(const char *name, const char *description, std::function<void()> handler) :
+            m_handler(handler),
+            m_command(XPLMCreateCommand(name, description))
         {
-            m_command = XPLMCreateCommand(name, description);
             XPLMRegisterCommandHandler(m_command, callback, false, static_cast<void*>(this));
         }
 
diff --git a/src/xswiftbus/drawable.h b/src/xswiftbus/drawable.h
index be28159e4..b1d010f0e 100644
--- a/src/xswiftbus/drawable.h
+++ b/src/xswiftbus/drawable.h
@@ -30,13 +30,13 @@ namespace XSwiftBus
         virtual ~CDrawable() { hide(); }
 
         //! Register the draw callback.
-        virtual void show()
+        void show()
         {
             XPLMRegisterDrawCallback(callback, m_phase, m_before, static_cast<void*>(this));
         }
 
         //! Unregister the draw callback.
-        virtual void hide()
+        void hide()
         {
             XPLMUnregisterDrawCallback(callback, m_phase, m_before, static_cast<void*>(this));
         }