diff --git a/src/lib/app/mainapplication.cpp b/src/lib/app/mainapplication.cpp
index 3bc3df6c4..3c4bce64e 100644
--- a/src/lib/app/mainapplication.cpp
+++ b/src/lib/app/mainapplication.cpp
@@ -69,9 +69,7 @@
 #include <QtWebEngineWidgetsVersion>
 #include <QtWebEngineCoreVersion>
 
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 13, 0)
 #include <QWebEngineNotification>
-#endif
 
 #ifdef Q_OS_WIN
 #include <QtWin>
@@ -296,14 +294,12 @@ MainApplication::MainApplication(int &argc, char** argv)
     m_webProfile = isPrivate() ? new QWebEngineProfile() : QWebEngineProfile::defaultProfile();
     connect(m_webProfile, &QWebEngineProfile::downloadRequested, this, &MainApplication::downloadRequested);
 
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     m_webProfile->setNotificationPresenter([&] (std::unique_ptr<QWebEngineNotification> notification) {
         auto notifications = desktopNotifications();
         notifications->showNotification(
             QPixmap::fromImage(notification->icon()), notification->title(), notification->message()
         );
     });
-#endif
 
     m_networkManager = new NetworkManager(this);
 
@@ -963,25 +959,15 @@ void MainApplication::loadSettings()
     webSettings->setAttribute(QWebEngineSettings::LocalContentCanAccessRemoteUrls, true);
     webSettings->setAttribute(QWebEngineSettings::FocusOnNavigationEnabled, false);
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     webSettings->setAttribute(QWebEngineSettings::AllowWindowActivationFromJavaScript, settings.value(QSL("allowJavaScriptActivateWindow"), false).toBool());
-#endif
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     webSettings->setAttribute(QWebEngineSettings::JavascriptCanPaste, settings.value(QSL("allowJavaScriptPaste"), true).toBool());
     webSettings->setAttribute(QWebEngineSettings::PlaybackRequiresUserGesture, settings.value(QSL("DisableVideoAutoPlay"), false).toBool());
     webSettings->setAttribute(QWebEngineSettings::WebRTCPublicInterfacesOnly, settings.value(QSL("WebRTCPublicIpOnly"), true).toBool());
     webSettings->setUnknownUrlSchemePolicy(QWebEngineSettings::AllowAllUnknownUrlSchemes);
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     webSettings->setAttribute(QWebEngineSettings::DnsPrefetchEnabled, settings.value(QSL("DNSPrefetch"), true).toBool());
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     webSettings->setAttribute(QWebEngineSettings::PdfViewerEnabled, settings.value(QSL("intPDFViewer"), false).toBool());
     webSettings->setAttribute(QWebEngineSettings::ScreenCaptureEnabled, settings.value(QSL("screenCaptureEnabled"), false).toBool());
-#endif
 
     webSettings->setDefaultTextEncoding(settings.value(QSL("DefaultEncoding"), webSettings->defaultTextEncoding()).toString());
 
diff --git a/src/lib/bookmarks/bookmarkstoolbarbutton.cpp b/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
index bfd125322..db103f619 100644
--- a/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
+++ b/src/lib/bookmarks/bookmarkstoolbarbutton.cpp
@@ -93,11 +93,7 @@ QSize BookmarksToolbarButton::sizeHint() const
         width = SEPARATOR_WIDTH;
     }
     else if (!m_showOnlyIcon) {
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
         width += PADDING * 2 + fontMetrics().horizontalAdvance(m_bookmark->title());
-#else
-        width += PADDING * 2 + fontMetrics().width(m_bookmark->title());
-#endif
 
         if (menu()) {
             width += PADDING + 8;
diff --git a/src/lib/cookies/cookiejar.cpp b/src/lib/cookies/cookiejar.cpp
index b17121845..53e9e43ac 100644
--- a/src/lib/cookies/cookiejar.cpp
+++ b/src/lib/cookies/cookiejar.cpp
@@ -36,9 +36,7 @@ CookieJar::CookieJar(QObject* parent)
     loadSettings();
     m_client->loadAllCookies();
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     m_client->setCookieFilter(std::bind(&CookieJar::cookieFilter, this, std::placeholders::_1));
-#endif
 
     connect(m_client, &QWebEngineCookieStore::cookieAdded, this, &CookieJar::slotCookieAdded);
     connect(m_client, &QWebEngineCookieStore::cookieRemoved, this, &CookieJar::slotCookieRemoved);
@@ -46,9 +44,7 @@ CookieJar::CookieJar(QObject* parent)
 
 CookieJar::~CookieJar()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     m_client->setCookieFilter(nullptr);
-#endif
 }
 
 void CookieJar::loadSettings()
@@ -136,7 +132,6 @@ void CookieJar::slotCookieRemoved(const QNetworkCookie &cookie)
         emit cookieRemoved(cookie);
 }
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
 bool CookieJar::cookieFilter(const QWebEngineCookieStore::FilterRequest &request) const
 {
     if (!m_allowCookies) {
@@ -168,7 +163,6 @@ bool CookieJar::cookieFilter(const QWebEngineCookieStore::FilterRequest &request
 
     return true;
 }
-#endif
 
 bool CookieJar::rejectCookie(const QString &domain, const QNetworkCookie &cookie, const QString &cookieDomain) const
 {
diff --git a/src/lib/cookies/cookiejar.h b/src/lib/cookies/cookiejar.h
index 0fcc0a367..6fc53124b 100644
--- a/src/lib/cookies/cookiejar.h
+++ b/src/lib/cookies/cookiejar.h
@@ -56,9 +56,7 @@ private:
     void slotCookieAdded(const QNetworkCookie &cookie);
     void slotCookieRemoved(const QNetworkCookie &cookie);
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     bool cookieFilter(const QWebEngineCookieStore::FilterRequest &request) const;
-#endif
 
     bool acceptCookie(const QUrl &firstPartyUrl, const QByteArray &cookieLine, const QUrl &cookieSource) const;
     bool rejectCookie(const QString &domain, const QNetworkCookie &cookie, const QString &cookieDomain) const;
diff --git a/src/lib/cookies/cookiemanager.cpp b/src/lib/cookies/cookiemanager.cpp
index cfc613428..df8dc6523 100644
--- a/src/lib/cookies/cookiemanager.cpp
+++ b/src/lib/cookies/cookiemanager.cpp
@@ -75,10 +75,6 @@ CookieManager::CookieManager(QWidget *parent)
     ui->blackList->addItems(settings.value("blacklist", QStringList()).toStringList());
     settings.endGroup();
 
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 11, 0)
-    ui->filter3rdParty->hide();
-#endif
-
     ui->search->setPlaceholderText(tr("Search"));
     ui->cookieTree->setDefaultItemShowMode(TreeWidget::ItemsCollapsed);
     ui->cookieTree->sortItems(0, Qt::AscendingOrder);
diff --git a/src/lib/downloads/downloaditem.cpp b/src/lib/downloads/downloaditem.cpp
index 44b34dff3..401518931 100644
--- a/src/lib/downloads/downloaditem.cpp
+++ b/src/lib/downloads/downloaditem.cpp
@@ -235,11 +235,9 @@ void DownloadItem::updateDownloadInfo(double currSpeed, qint64 received, qint64
     //          | m_remTime |   |m_currSize|  |m_fileSize|  |m_speed|
     // Remaining 26 minutes -     339MB of      693 MB        (350kB/s)
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     if (m_download->isPaused()) {
         return;
     }
-#endif
 
     int estimatedTime = ((total - received) / 1024) / (currSpeed / 1024);
     QString speed = currentSpeedToString(currSpeed);
@@ -283,7 +281,6 @@ void DownloadItem::stop()
 
 void DownloadItem::pauseResume()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     if (m_download->isPaused()) {
         m_download->resume();
         ui->pauseResumeButton->setPixmap(QIcon::fromTheme(QSL("media-playback-pause")).pixmap(20, 20));
@@ -292,7 +289,6 @@ void DownloadItem::pauseResume()
         ui->pauseResumeButton->setPixmap(QIcon::fromTheme(QSL("media-playback-start")).pixmap(20, 20));
         ui->downloadInfo->setText(tr("Paused - %1").arg(m_download->url().host()));
     }
-#endif
 }
 
 void DownloadItem::mouseDoubleClickEvent(QMouseEvent* e)
@@ -312,13 +308,11 @@ void DownloadItem::customContextMenuRequested(const QPoint &pos)
     menu.addSeparator();
     menu.addAction(QIcon::fromTheme("process-stop"), tr("Cancel downloading"), this, &DownloadItem::stop)->setEnabled(m_downloading);
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     if (m_download->isPaused()) {
         menu.addAction(QIcon::fromTheme("media-playback-start"), tr("Resume downloading"), this, &DownloadItem::pauseResume)->setEnabled(m_downloading);
     } else {
         menu.addAction(QIcon::fromTheme("media-playback-pause"), tr("Pause downloading"), this, &DownloadItem::pauseResume)->setEnabled(m_downloading);
     }
-#endif
 
     menu.addAction(QIcon::fromTheme("list-remove"), tr("Remove From List"), this, &DownloadItem::clear)->setEnabled(!m_downloading);
 
diff --git a/src/lib/downloads/downloadmanager.cpp b/src/lib/downloads/downloadmanager.cpp
index 736a11a40..0e0bc1fbb 100644
--- a/src/lib/downloads/downloadmanager.cpp
+++ b/src/lib/downloads/downloadmanager.cpp
@@ -133,22 +133,10 @@ void DownloadManager::closeDownloadTab(QWebEngineDownloadItem *item) const
         if (page->history()->count() != 0) {
             return false;
         }
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
         Q_UNUSED(url)
         return true;
-#else
-        if (page->url() != QUrl()) {
-            return false;
-        }
-        QUrl tabUrl = page->requestedUrl();
-        if (tabUrl.isEmpty()) {
-            tabUrl = QUrl(view->webTab()->locationBar()->text());
-        }
-        return tabUrl.host() == url.host();
-#endif
     };
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     if (!item->page()) {
         return;
     }
@@ -163,30 +151,6 @@ void DownloadManager::closeDownloadTab(QWebEngineDownloadItem *item) const
     if (testWebView(view, QUrl())) {
         view->closeView();
     }
-#else
-    BrowserWindow* mainWindow = mApp->getWindow();
-    // If the main window was closed, there is no need to go further
-    if (mainWindow == nullptr) {
-        return;
-    }
-
-    if (testWebView(mainWindow->weView(), item->url())) {
-        mainWindow->weView()->closeView();
-        return;
-    }
-
-    const auto windows = mApp->windows();
-    for (auto *window : windows) {
-        const auto tabs = window->tabWidget()->allTabs();
-        for (auto *tab : tabs) {
-            auto *view = tab->webView();
-            if (testWebView(view, item->url())) {
-                view->closeView();
-                return;
-            }
-        }
-    }
-#endif
 }
 
 QWinTaskbarButton *DownloadManager::taskbarButton()
diff --git a/src/lib/navigation/completer/locationcompleterdelegate.cpp b/src/lib/navigation/completer/locationcompleterdelegate.cpp
index 79d80f33a..d361ce39c 100644
--- a/src/lib/navigation/completer/locationcompleterdelegate.cpp
+++ b/src/lib/navigation/completer/locationcompleterdelegate.cpp
@@ -142,11 +142,7 @@ void LocationCompleterDelegate::paint(QPainter* painter, const QStyleOptionViewI
     leftPosition += m_padding * 2;
 
     // Trim link to maximum number of characters that can be visible, otherwise there may be perf issue with huge URLs
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     const int maxChars = (opt.rect.width() - leftPosition) / opt.fontMetrics.horizontalAdvance(QL1C('i'));
-#else
-    const int maxChars = (opt.rect.width() - leftPosition) / opt.fontMetrics.width(QL1C('i'));
-#endif
     QString link;
     const QByteArray linkArray = index.data(Qt::DisplayRole).toByteArray();
     if (!linkArray.startsWith("data") && !linkArray.startsWith("javascript")) {
@@ -176,11 +172,7 @@ void LocationCompleterDelegate::paint(QPainter* painter, const QStyleOptionViewI
     // Draw separator
     if (!link.isEmpty()) {
         QChar separator = QL1C('-');
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
         QRect separatorRect(leftPosition, center - linkMetrics.height() / 2, linkMetrics.horizontalAdvance(separator), linkMetrics.height());
-#else
-        QRect separatorRect(leftPosition, center - linkMetrics.height() / 2, linkMetrics.width(separator), linkMetrics.height());
-#endif
         style->drawItemText(painter, separatorRect, Qt::AlignCenter, textPalette, true, separator, colorRole);
         leftPosition += separatorRect.width() + m_padding * 2;
     }
diff --git a/src/lib/network/networkmanager.cpp b/src/lib/network/networkmanager.cpp
index f58481964..9d279265f 100644
--- a/src/lib/network/networkmanager.cpp
+++ b/src/lib/network/networkmanager.cpp
@@ -42,9 +42,7 @@
 #include <QWebEngineCertificateError>
 #include <QtWebEngineWidgetsVersion>
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
 #include <QWebEngineUrlScheme>
-#endif
 
 NetworkManager::NetworkManager(QObject *parent)
     : QNetworkAccessManager(parent)
@@ -59,11 +57,7 @@ NetworkManager::NetworkManager(QObject *parent)
 
     // Create url interceptor
     m_urlInterceptor = new NetworkUrlInterceptor(this);
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     mApp->webProfile()->setUrlRequestInterceptor(m_urlInterceptor);
-#else
-    mApp->webProfile()->setRequestInterceptor(m_urlInterceptor);
-#endif
 
     // Create cookie jar
     mApp->cookieJar();
@@ -299,17 +293,12 @@ void NetworkManager::loadSettings()
 
 void NetworkManager::shutdown()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     mApp->webProfile()->setUrlRequestInterceptor(nullptr);
-#else
-    mApp->webProfile()->setRequestInterceptor(nullptr);
-#endif
 }
 
 // static
 void NetworkManager::registerSchemes()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     QWebEngineUrlScheme falkonScheme("falkon");
     falkonScheme.setFlags(QWebEngineUrlScheme::SecureScheme | QWebEngineUrlScheme::ContentSecurityPolicyIgnored);
     falkonScheme.setSyntax(QWebEngineUrlScheme::Syntax::Path);
@@ -318,7 +307,6 @@ void NetworkManager::registerSchemes()
     extensionScheme.setFlags(QWebEngineUrlScheme::SecureScheme | QWebEngineUrlScheme::ContentSecurityPolicyIgnored);
     extensionScheme.setSyntax(QWebEngineUrlScheme::Syntax::Path);
     QWebEngineUrlScheme::registerScheme(extensionScheme);
-#endif
 }
 
 QNetworkReply *NetworkManager::createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
diff --git a/src/lib/other/protocolhandlermanager.cpp b/src/lib/other/protocolhandlermanager.cpp
index ccf9078b2..7f22471b2 100644
--- a/src/lib/other/protocolhandlermanager.cpp
+++ b/src/lib/other/protocolhandlermanager.cpp
@@ -21,9 +21,7 @@
 #include <QWebEnginePage>
 #include <QtWebEngineWidgetsVersion>
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
 #include <QWebEngineRegisterProtocolHandlerRequest>
-#endif
 
 ProtocolHandlerManager::ProtocolHandlerManager(QObject *parent)
     : QObject(parent)
@@ -83,10 +81,8 @@ void ProtocolHandlerManager::registerHandler(const QString &scheme, const QUrl &
 
     QWebEnginePage *page = new QWebEnginePage(this);
     connect(page, &QWebEnginePage::loadFinished, page, &QObject::deleteLater);
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     connect(page, &QWebEnginePage::registerProtocolHandlerRequested, this, [](QWebEngineRegisterProtocolHandlerRequest request) {
         request.accept();
     });
-#endif
     page->setHtml(QSL("<script>navigator.registerProtocolHandler('%1', '%2', '')</script>").arg(scheme, urlString), url);
 }
diff --git a/src/lib/plugins/qml/api/extensionscheme/qmlwebengineurlrequestjob.cpp b/src/lib/plugins/qml/api/extensionscheme/qmlwebengineurlrequestjob.cpp
index 33ba823bc..930679365 100644
--- a/src/lib/plugins/qml/api/extensionscheme/qmlwebengineurlrequestjob.cpp
+++ b/src/lib/plugins/qml/api/extensionscheme/qmlwebengineurlrequestjob.cpp
@@ -67,9 +67,7 @@ QString QmlWebEngineUrlRequestJob::initiator() const
         return QString();
     }
     QString initiatorString;
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     initiatorString = QString::fromUtf8(m_job->initiator().toEncoded());
-#endif
     return initiatorString;
 }
 
diff --git a/src/lib/preferences/jsoptions.cpp b/src/lib/preferences/jsoptions.cpp
index 8bd06d097..5c4d3108e 100644
--- a/src/lib/preferences/jsoptions.cpp
+++ b/src/lib/preferences/jsoptions.cpp
@@ -30,14 +30,6 @@ JsOptions::JsOptions(QWidget* parent)
 
     ui->setupUi(this);
 
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    ui->jscanActivateWindow->setVisible(false);
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 11, 0)
-    ui->jscanPaste->setVisible(false);
-#endif
-
     Settings settings;
     settings.beginGroup("Web-Browser-Settings");
     ui->jscanOpenWindow->setChecked(settings.value("allowJavaScriptOpenWindow", false).toBool());
diff --git a/src/lib/preferences/preferences.cpp b/src/lib/preferences/preferences.cpp
index a0d2cdf7a..a1b463d48 100644
--- a/src/lib/preferences/preferences.cpp
+++ b/src/lib/preferences/preferences.cpp
@@ -112,23 +112,6 @@ Preferences::Preferences(BrowserWindow* window)
     ui->checkUpdates->setVisible(false);
 #endif
 
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 11, 0)
-    ui->disableVideoAutoPlay->setVisible(false);
-    ui->webRTCPublicIpOnly->setVisible(false);
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 12, 0)
-    ui->dnsPrefetch->setVisible(false);
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 13, 0)
-    ui->intPDFViewer->setVisible(false);
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 13, 2)
-    ui->screenCaptureEnabled->setVisible(false);
-#endif
-
 
     auto setCategoryIcon = [this](int index, const QIcon &icon) {
         ui->listWidget->item(index)->setIcon(QIcon(icon.pixmap(32)));
diff --git a/src/lib/preferences/thememanager.cpp b/src/lib/preferences/thememanager.cpp
index fdda5239d..fc526e4a3 100644
--- a/src/lib/preferences/thememanager.cpp
+++ b/src/lib/preferences/thememanager.cpp
@@ -138,12 +138,7 @@ ThemeManager::Theme ThemeManager::parseTheme(const QString &path, const QString
     info.name = metadata.name();
     info.description = metadata.comment();
     info.author = metadata.value(QSL("X-Falkon-Author")).toString();
-#if QTCORE_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     info.themePath = path.chopped(1);
-#else
-    info.themePath = path;
-    info.themePath.chop(1);
-#endif
 
     const QString iconName = metadata.icon();
     if (!iconName.isEmpty()) {
diff --git a/src/lib/tabwidget/combotabbar.cpp b/src/lib/tabwidget/combotabbar.cpp
index 155773d36..40f5fcc73 100644
--- a/src/lib/tabwidget/combotabbar.cpp
+++ b/src/lib/tabwidget/combotabbar.cpp
@@ -1086,11 +1086,7 @@ QPixmap TabBarHelper::tabPixmap(int index) const
     }
 
     if (closeButton) {
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
         const int width = tab.fontMetrics.horizontalAdvance(tab.text) + closeButton->width();
-#else
-        const int width = tab.fontMetrics.width(tab.text) + closeButton->width();
-#endif
         tab.text = tab.fontMetrics.elidedText(tabText(index), Qt::ElideRight, width);
     }
 
diff --git a/src/lib/tools/html5permissions/html5permissionsdialog.cpp b/src/lib/tools/html5permissions/html5permissionsdialog.cpp
index f5b414357..d02a5e568 100644
--- a/src/lib/tools/html5permissions/html5permissionsdialog.cpp
+++ b/src/lib/tools/html5permissions/html5permissionsdialog.cpp
@@ -40,12 +40,6 @@ HTML5PermissionsDialog::HTML5PermissionsDialog(QWidget* parent)
     connect(ui->feature, SIGNAL(currentIndexChanged(int)), this, SLOT(featureIndexChanged()));
     connect(ui->buttonBox, &QDialogButtonBox::accepted, this, &HTML5PermissionsDialog::saveSettings);
 
-/* Hide unsupported HTML5 permissions */
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    ui->feature->removeItem(7);
-    ui->feature->removeItem(6);
-#endif
-
     showFeaturePermissions(currentFeature());
 }
 
@@ -119,12 +113,10 @@ QWebEnginePage::Feature HTML5PermissionsDialog::currentFeature() const
         return QWebEnginePage::MediaAudioVideoCapture;
     case 5:
         return QWebEnginePage::MouseLock;
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     case 6:
         return QWebEnginePage::DesktopVideoCapture;
     case 7:
         return QWebEnginePage::DesktopAudioVideoCapture;
-#endif
     default:
         Q_UNREACHABLE();
         return QWebEnginePage::Notifications;
@@ -154,13 +146,11 @@ void HTML5PermissionsDialog::loadSettings()
     m_granted[QWebEnginePage::MouseLock] = settings.value("MouseLockGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::MouseLock] = settings.value("MouseLockDenied", QStringList()).toStringList();
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     m_granted[QWebEnginePage::DesktopVideoCapture] = settings.value("DesktopVideoCaptureGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::DesktopVideoCapture] = settings.value("DesktopVideoCaptureDenied", QStringList()).toStringList();
 
     m_granted[QWebEnginePage::DesktopAudioVideoCapture] = settings.value("DesktopAudioVideoCaptureGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::DesktopAudioVideoCapture] = settings.value("DesktopAudioVideoCaptureDenied", QStringList()).toStringList();
-#endif
 
     settings.endGroup();
 }
@@ -188,13 +178,11 @@ void HTML5PermissionsDialog::saveSettings()
     settings.setValue("MouseLockGranted", m_granted[QWebEnginePage::MouseLock]);
     settings.setValue("MouseLockDenied", m_denied[QWebEnginePage::MouseLock]);
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     settings.setValue("DesktopVideoCaptureGranted", m_granted[QWebEnginePage::DesktopVideoCapture]);
     settings.setValue("DesktopVideoCaptureDenied", m_denied[QWebEnginePage::DesktopVideoCapture]);
 
     settings.setValue("DesktopAudioVideoCaptureGranted", m_granted[QWebEnginePage::DesktopAudioVideoCapture]);
     settings.setValue("DesktopAudioVideoCaptureDenied", m_denied[QWebEnginePage::DesktopAudioVideoCapture]);
-#endif
 
     settings.endGroup();
 
diff --git a/src/lib/tools/html5permissions/html5permissionsmanager.cpp b/src/lib/tools/html5permissions/html5permissionsmanager.cpp
index 21563dd01..5bab9b008 100644
--- a/src/lib/tools/html5permissions/html5permissionsmanager.cpp
+++ b/src/lib/tools/html5permissions/html5permissionsmanager.cpp
@@ -97,13 +97,11 @@ void HTML5PermissionsManager::loadSettings()
     m_granted[QWebEnginePage::MouseLock] = settings.value("MouseLockGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::MouseLock] = settings.value("MouseLockDenied", QStringList()).toStringList();
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     m_granted[QWebEnginePage::DesktopVideoCapture] = settings.value("DesktopVideoCaptureGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::DesktopVideoCapture] = settings.value("DesktopVideoCaptureDenied", QStringList()).toStringList();
 
     m_granted[QWebEnginePage::DesktopAudioVideoCapture] = settings.value("DesktopAudioVideoCaptureGranted", QStringList()).toStringList();
     m_denied[QWebEnginePage::DesktopAudioVideoCapture] = settings.value("DesktopAudioVideoCaptureDenied", QStringList()).toStringList();
-#endif
 
     settings.endGroup();
 }
@@ -131,13 +129,11 @@ void HTML5PermissionsManager::saveSettings()
     settings.setValue("MouseLockGranted", m_granted[QWebEnginePage::MouseLock]);
     settings.setValue("MouseLockDenied", m_denied[QWebEnginePage::MouseLock]);
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     settings.setValue("DesktopVideoCaptureGranted", m_granted[QWebEnginePage::DesktopVideoCapture]);
     settings.setValue("DesktopVideoCaptureDenied", m_denied[QWebEnginePage::DesktopVideoCapture]);
 
     settings.setValue("DesktopAudioVideoCaptureGranted", m_granted[QWebEnginePage::DesktopAudioVideoCapture]);
     settings.setValue("DesktopAudioVideoCaptureDenied", m_denied[QWebEnginePage::DesktopAudioVideoCapture]);
-#endif
 
     settings.endGroup();
 }
diff --git a/src/lib/tools/html5permissions/html5permissionsnotification.cpp b/src/lib/tools/html5permissions/html5permissionsnotification.cpp
index d7433634d..106c2464e 100644
--- a/src/lib/tools/html5permissions/html5permissionsnotification.cpp
+++ b/src/lib/tools/html5permissions/html5permissionsnotification.cpp
@@ -65,7 +65,6 @@ HTML5PermissionsNotification::HTML5PermissionsNotification(const QUrl &origin, Q
         ui->textLabel->setText(tr("Allow %1 to hide your pointer?").arg(site));
         break;
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     case QWebEnginePage::DesktopVideoCapture:
         ui->textLabel->setText(tr("Allow %1 to capture your screen?").arg(site));
         break;
@@ -73,7 +72,6 @@ HTML5PermissionsNotification::HTML5PermissionsNotification(const QUrl &origin, Q
     case QWebEnginePage::DesktopAudioVideoCapture:
         ui->textLabel->setText(tr("Allow %1 to capture your screen and audio?").arg(site));
         break;
-#endif
     default:
         qWarning() << "Unknown feature" << feature;
         break;
diff --git a/src/lib/tools/listitemdelegate.cpp b/src/lib/tools/listitemdelegate.cpp
index 234b5fa83..573f85380 100644
--- a/src/lib/tools/listitemdelegate.cpp
+++ b/src/lib/tools/listitemdelegate.cpp
@@ -115,11 +115,7 @@ QSize ListItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QMode
             p->setFixedHeight(m_itemHeight + 2 * frameWidth);
         }
     }
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     int width = 2 * m_padding + option.fontMetrics.horizontalAdvance(index.data(Qt::DisplayRole).toString());
-#else
-    int width = 2 * m_padding + option.fontMetrics.width(index.data(Qt::DisplayRole).toString());
-#endif
     width = width > (m_iconSize + 2 * m_padding) ? width : m_iconSize + 2 * m_padding;
 
     if (m_uniformItemSizes) {
diff --git a/src/lib/tools/qztools.cpp b/src/lib/tools/qztools.cpp
index fbdad97da..2ed3a367b 100644
--- a/src/lib/tools/qztools.cpp
+++ b/src/lib/tools/qztools.cpp
@@ -397,11 +397,7 @@ QPixmap QzTools::createPixmapForSite(const QIcon &icon, const QString &title, co
 {
     const QFontMetrics fontMetrics = QApplication::fontMetrics();
     const int padding = 4;
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     const int maxWidth = fontMetrics.horizontalAdvance(title.length() > url.length() ? title : url) + 3 * padding + 16;
-#else
-    const int maxWidth = fontMetrics.width(title.length() > url.length() ? title : url) + 3 * padding + 16;
-#endif
     const int width = qMin(maxWidth, 150);
     const int height = fontMetrics.height() * 2 + fontMetrics.leading() + 2 * padding;
 
diff --git a/src/lib/tools/scripts.cpp b/src/lib/tools/scripts.cpp
index 675aaf2c3..02bc77b1d 100644
--- a/src/lib/tools/scripts.cpp
+++ b/src/lib/tools/scripts.cpp
@@ -147,11 +147,6 @@ QString Scripts::setupWindowObject()
                           "    return false;"
                           "};"
                           "window.external = external;");
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 12, 0)
-           source += QL1S("window.print = function() {"
-                          "    window.location = 'falkon:PrintPage';"
-                          "};");
-#endif
            source += QL1S("})()");
 
     return source;
diff --git a/src/lib/webengine/webinspector.cpp b/src/lib/webengine/webinspector.cpp
index 4770b3567..c65a9761a 100644
--- a/src/lib/webengine/webinspector.cpp
+++ b/src/lib/webengine/webinspector.cpp
@@ -68,27 +68,8 @@ void WebInspector::setView(WebView *view)
     m_view = view;
     Q_ASSERT(isEnabled());
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     page()->setInspectedPage(m_view->page());
     connect(m_view, &WebView::pageChanged, this, &WebInspector::deleteLater);
-#else
-    int port = qEnvironmentVariableIntValue("QTWEBENGINE_REMOTE_DEBUGGING");
-    QUrl inspectorUrl = QUrl(QSL("http://localhost:%1").arg(port));
-    int index = s_views.indexOf(m_view);
-
-    QNetworkReply *reply = mApp->networkManager()->get(QNetworkRequest(inspectorUrl.resolved(QUrl("json/list"))));
-    connect(reply, &QNetworkReply::finished, this, [=]() {
-        QJsonArray clients = QJsonDocument::fromJson(reply->readAll()).array();
-        QUrl pageUrl;
-        if (clients.size() > index) {
-            QJsonObject object = clients.at(index).toObject();
-            pageUrl = inspectorUrl.resolved(QUrl(object.value(QSL("devtoolsFrontendUrl")).toString()));
-        }
-        load(pageUrl);
-        pushView(this);
-        show();
-    });
-#endif
 }
 
 void WebInspector::inspectElement()
@@ -98,11 +79,6 @@ void WebInspector::inspectElement()
 
 bool WebInspector::isEnabled()
 {
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 11, 0)
-    if (!qEnvironmentVariableIsSet("QTWEBENGINE_REMOTE_DEBUGGING")) {
-        return false;
-    }
-#endif
     if (!mApp->webSettings()->testAttribute(QWebEngineSettings::JavascriptEnabled)) {
         return false;
     }
diff --git a/src/lib/webengine/webpage.cpp b/src/lib/webengine/webpage.cpp
index 2145c1a5d..a9d3755d4 100644
--- a/src/lib/webengine/webpage.cpp
+++ b/src/lib/webengine/webpage.cpp
@@ -60,9 +60,7 @@
 #include <QUrlQuery>
 #include <QtWebEngineWidgetsVersion>
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
 #include <QWebEngineRegisterProtocolHandlerRequest>
-#endif
 
 QString WebPage::s_lastUploadLocation = QDir::homePath();
 QUrl WebPage::s_lastUnsupportedUrl;
@@ -116,27 +114,20 @@ WebPage::WebPage(QObject* parent)
         }
     });
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     connect(this, &QWebEnginePage::registerProtocolHandlerRequested, this, [this](QWebEngineRegisterProtocolHandlerRequest request) {
         delete m_registerProtocolHandlerRequest;
         m_registerProtocolHandlerRequest = new QWebEngineRegisterProtocolHandlerRequest(request);
     });
-#endif
-
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
     connect(this, &QWebEnginePage::printRequested, this, &WebPage::printRequested);
     connect(this, &QWebEnginePage::selectClientCertificate, this, [this](QWebEngineClientCertificateSelection selection) {
         // TODO: It should prompt user
         selection.select(selection.certificates().at(0));
     });
-#endif
 }
 
 WebPage::~WebPage()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     delete m_registerProtocolHandlerRequest;
-#endif
 
     if (m_runningLoop) {
         m_runningLoop->exit(1);
@@ -513,21 +504,17 @@ QStringList WebPage::autoFillUsernames() const
 
 QUrl WebPage::registerProtocolHandlerRequestUrl() const
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     if (m_registerProtocolHandlerRequest && url().host() == m_registerProtocolHandlerRequest->origin().host()) {
         return m_registerProtocolHandlerRequest->origin();
     }
-#endif
     return QUrl();
 }
 
 QString WebPage::registerProtocolHandlerRequestScheme() const
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     if (m_registerProtocolHandlerRequest && url().host() == m_registerProtocolHandlerRequest->origin().host()) {
         return m_registerProtocolHandlerRequest->scheme();
     }
-#endif
     return QString();
 }
 
diff --git a/src/lib/webengine/webview.cpp b/src/lib/webengine/webview.cpp
index f98482304..4c2d85133 100644
--- a/src/lib/webengine/webview.cpp
+++ b/src/lib/webengine/webview.cpp
@@ -496,7 +496,6 @@ void WebView::copyLinkToClipboard()
 
 void WebView::savePageAs()
 {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     page()->runJavaScript(QSL("document.contentType"), WebPage::SafeJsWorld, [this](const QVariant &res) {
         const QSet<QString> webPageTypes = {
             QSL("text/html"),
@@ -508,9 +507,6 @@ void WebView::savePageAs()
             page()->download(url());
         }
     });
-#else
-    triggerPageAction(QWebEnginePage::SavePage);
-#endif
 }
 
 void WebView::copyImageToClipboard()
@@ -1252,14 +1248,6 @@ void WebView::contextMenuEvent(QContextMenuEvent *event)
 
 bool WebView::focusNextPrevChild(bool next)
 {
-#if QTWEBENGINEWIDGETS_VERSION < QT_VERSION_CHECK(5, 11, 0)
-    // QTBUG-67043
-    // Workaround QtWebEngine issue where QWebEngineView loses focus on second load() call.
-    if (next) {
-        setFocus();
-        return false;
-    }
-#endif
     return QWebEngineView::focusNextPrevChild(next);
 }
 
@@ -1277,16 +1265,10 @@ bool WebView::eventFilter(QObject *obj, QEvent *event)
 
     // Hack to find widget that receives input events
     if (obj == this && event->type() == QEvent::ChildAdded) {
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
         QPointer<QWidget> child = qobject_cast<QWidget*>(static_cast<QChildEvent*>(event)->child());
         QTimer::singleShot(0, this, [=]() {
             if (child && child->inherits("QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget")) {
                 m_rwhvqt = child;
-#else
-        QTimer::singleShot(0, this, [this]() {
-            if (focusProxy() && m_rwhvqt != focusProxy()) {
-                m_rwhvqt = focusProxy();
-#endif
                 m_rwhvqt->installEventFilter(this);
                 if (QQuickWidget *w = qobject_cast<QQuickWidget*>(m_rwhvqt)) {
                     w->setClearColor(palette().color(QPalette::Window));
diff --git a/src/lib/webtab/searchtoolbar.cpp b/src/lib/webtab/searchtoolbar.cpp
index 4d9a94aa1..4ea170289 100644
--- a/src/lib/webtab/searchtoolbar.cpp
+++ b/src/lib/webtab/searchtoolbar.cpp
@@ -39,9 +39,7 @@ SearchToolBar::SearchToolBar(WebView* view, QWidget* parent)
     ui->previous->setShortcut(QKeySequence("Ctrl+Shift+G"));
 
     ui->resultsInfo->hide();
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     connect(view->page(), &QWebEnginePage::findTextFinished, this, &SearchToolBar::showSearchResults);
-#endif
 
     connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(close()));
     connect(ui->lineEdit, &QLineEdit::textEdited, this, &SearchToolBar::findNext);
@@ -142,7 +140,6 @@ void SearchToolBar::searchText(const QString &text)
     });
 }
 
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 void SearchToolBar::showSearchResults(const QWebEngineFindTextResult &result)
 {
     if (result.numberOfMatches() == 0) {
@@ -154,7 +151,6 @@ void SearchToolBar::showSearchResults(const QWebEngineFindTextResult &result)
         QString::number(result.activeMatch()), QString::number(result.numberOfMatches())));
     ui->resultsInfo->show();
 }
-#endif
 
 bool SearchToolBar::eventFilter(QObject* obj, QEvent* event)
 {
diff --git a/src/lib/webtab/searchtoolbar.h b/src/lib/webtab/searchtoolbar.h
index b2d4ac231..437a55a85 100644
--- a/src/lib/webtab/searchtoolbar.h
+++ b/src/lib/webtab/searchtoolbar.h
@@ -21,9 +21,7 @@
 #include <QWebEnginePage>
 #include <QtWebEngineCoreVersion>
 
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 #include <QWebEngineFindTextResult>
-#endif
 
 #include "qzcommon.h"
 
@@ -58,9 +56,7 @@ public Q_SLOTS:
     void findNext();
     void findPrevious();
 
-#if QTWEBENGINECORE_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     void showSearchResults(const QWebEngineFindTextResult &result);
-#endif
 
     void close();
 
diff --git a/src/plugins/GreaseMonkey/gm_plugin.cpp b/src/plugins/GreaseMonkey/gm_plugin.cpp
index b493a7b56..c577e75f8 100644
--- a/src/plugins/GreaseMonkey/gm_plugin.cpp
+++ b/src/plugins/GreaseMonkey/gm_plugin.cpp
@@ -71,11 +71,7 @@ bool GM_Plugin::acceptNavigationRequest(WebPage *page, const QUrl &url, QWebEngi
     Q_UNUSED(page)
     Q_UNUSED(isMainFrame)
 
-#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     bool navigationType = type == QWebEnginePage::NavigationTypeLinkClicked || type == QWebEnginePage::NavigationTypeRedirect;
-#else
-    bool navigationType = type == QWebEnginePage::NavigationTypeLinkClicked;
-#endif
 
     if (navigationType && url.toString().endsWith(QLatin1String(".user.js"))) {
         m_manager->downloadScript(url);
diff --git a/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp b/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
index bbe564570..c60a33d04 100644
--- a/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
+++ b/src/plugins/GreaseMonkey/settings/gm_settingslistdelegate.cpp
@@ -111,11 +111,7 @@ void GM_SettingsListDelegate::paint(QPainter* painter, const QStyleOptionViewIte
     const QString name = index.data(Qt::DisplayRole).toString();
     const int leftTitleEdge = leftPosition + 2;
     const int rightTitleEdge = rightPosition - m_padding;
-#if QTGUI_VERSION >= QT_VERSION_CHECK(5, 11, 0)
     const int leftPosForVersion = titleMetrics.horizontalAdvance(name) + m_padding;
-#else
-    const int leftPosForVersion = titleMetrics.width(name) + m_padding;
-#endif
     QRect nameRect(leftTitleEdge, opt.rect.top() + m_padding, rightTitleEdge - leftTitleEdge, titleMetrics.height());
     painter->setFont(titleFont);
     style->drawItemText(painter, nameRect, Qt::AlignLeft, textPalette, true, name, colorRole);