Fix warnings from unused variables

src/gui/mainwindow.cpp

@@ -679,8 +679,8 @@ void MainWindow::displayRSSTab(bool enable)
         if (!m_rssWidget) {
             m_rssWidget = new RSSWidget(m_tabs);
             connect(m_rssWidget.data(), &RSSWidget::unreadCountUpdated, this, &MainWindow::handleRSSUnreadCountUpdated);
-            int indexTab = m_tabs->addTab(m_rssWidget, tr("RSS (%1)").arg(RSS::Session::instance()->rootFolder()->unreadCount()));
 #ifndef Q_OS_MAC
+            const int indexTab = m_tabs->addTab(m_rssWidget, tr("RSS (%1)").arg(RSS::Session::instance()->rootFolder()->unreadCount()));
             m_tabs->setTabIcon(indexTab, GuiIconProvider::instance()->getIcon("application-rss+xml"));
 #endif
         }
@@ -1388,7 +1388,9 @@ void MainWindow::loadPreferences(bool configureSession)
 {
     Logger::instance()->addMessage(tr("Options were saved successfully."));
     const Preferences *const pref = Preferences::instance();
-#ifndef Q_OS_MAC
+#ifdef Q_OS_MAC
+    Q_UNUSED(configureSession);
+#else
     const bool newSystrayIntegration = pref->systrayIntegration();
     m_ui->actionLock->setVisible(newSystrayIntegration);
     if (newSystrayIntegration != (m_systrayIcon != 0)) {
@@ -1877,8 +1879,8 @@ void MainWindow::on_actionExecutionLogs_triggered(bool checked)
     if (checked) {
         Q_ASSERT(!m_executionLog);
         m_executionLog = new ExecutionLog(m_tabs, static_cast<Log::MsgType>(executionLogMsgTypes()));
-        int indexTab = m_tabs->addTab(m_executionLog, tr("Execution Log"));
 #ifndef Q_OS_MAC
+        const int indexTab = m_tabs->addTab(m_executionLog, tr("Execution Log"));
         m_tabs->setTabIcon(indexTab, GuiIconProvider::instance()->getIcon("view-calendar-journal"));
 #endif
     }

src/gui/properties/propertieswidget.cpp

@@ -579,6 +579,7 @@ void PropertiesWidget::openFolder(const QModelIndex &index, bool containingFolde
     // Flush data
     m_torrent->flushCache();
 #ifdef Q_OS_MAC
+    Q_UNUSED(containingFolder);
     MacUtils::openFiles(QSet<QString>{absolutePath});
 #else
     if (containingFolder)