diff --git a/src/core/browser_context_qt.cpp b/src/core/browser_context_qt.cpp
index 6d209a7751bfcd805af55370ba5edc6245497ae7..6f7da24090dfadc768909b7f21f055fa60346689 100644
--- a/src/core/browser_context_qt.cpp
+++ b/src/core/browser_context_qt.cpp
@@ -72,7 +72,7 @@ base::FilePath BrowserContextQt::GetPath() const
     if (dataLocation.isEmpty())
         dataLocation = QDir::homePath() % QDir::separator() % QChar::fromLatin1('.') % QCoreApplication::applicationName();
 
-    dataLocation.append(QDir::separator() % QStringLiteral("QtWebEngine"));
+    dataLocation.append(QDir::separator() % QLatin1String("QtWebEngine"));
     return base::FilePath(toFilePathString(dataLocation));
 }
 
diff --git a/src/core/content_browser_client_qt.cpp b/src/core/content_browser_client_qt.cpp
index 11e068dca9838e1e6fad640506e5ca0cb71e883f..28294dce7da5467e20e5d1b77b68bd1572b39e30 100644
--- a/src/core/content_browser_client_qt.cpp
+++ b/src/core/content_browser_client_qt.cpp
@@ -235,18 +235,18 @@ public:
     {
         QString platform = qApp->platformName().toLower();
         QPlatformNativeInterface *pni = QGuiApplication::platformNativeInterface();
-        if (platform == QStringLiteral("xcb")) {
+        if (platform == QLatin1String("xcb")) {
             if (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2)
                 m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
             else
                 m_handle = pni->nativeResourceForContext(QByteArrayLiteral("glxcontext"), qtContext);
-        } else if (platform == QStringLiteral("cocoa"))
+        } else if (platform == QLatin1String("cocoa"))
             m_handle = pni->nativeResourceForContext(QByteArrayLiteral("cglcontextobj"), qtContext);
-        else if (platform == QStringLiteral("qnx"))
+        else if (platform == QLatin1String("qnx"))
             m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
-        else if (platform == QStringLiteral("eglfs"))
+        else if (platform == QLatin1String("eglfs"))
             m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
-        else if (platform == QStringLiteral("windows")) {
+        else if (platform == QLatin1String("windows")) {
             if (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2)
                 m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglContext"), qtContext);
             else
diff --git a/src/core/web_engine_library_info.cpp b/src/core/web_engine_library_info.cpp
index c36a204e97cdbc583a404960d8ed451d019e9ff6..4cdf3813e89c6d105083f4cc35f62353523af1a3 100644
--- a/src/core/web_engine_library_info.cpp
+++ b/src/core/web_engine_library_info.cpp
@@ -78,7 +78,7 @@ QString location(QLibraryInfo::LibraryLocation path)
     switch (path) {
     case QLibraryInfo::TranslationsPath:
         if (!webEnginePath.isEmpty())
-            return webEnginePath % QDir::separator() % QStringLiteral("translations");
+            return webEnginePath % QDir::separator() % QLatin1String("translations");
         break;
     case QLibraryInfo::DataPath:
         if (!webEnginePath.isEmpty())
@@ -96,9 +96,9 @@ QString subProcessPath()
 {
     static bool initialized = false;
 #if defined(OS_WIN)
-    static QString processBinary (QStringLiteral(QTWEBENGINEPROCESS_NAME) % QStringLiteral(".exe"));
+    static QString processBinary (QLatin1String(QTWEBENGINEPROCESS_NAME) % QLatin1String(".exe"));
 #else
-    static QString processBinary (QStringLiteral(QTWEBENGINEPROCESS_NAME));
+    static QString processBinary (QLatin1String(QTWEBENGINEPROCESS_NAME));
 #endif
     static QString processPath (location(QLibraryInfo::LibraryExecutablesPath)
                                 % QDir::separator() % processBinary);
@@ -121,12 +121,12 @@ QString subProcessPath()
 
 QString pluginsPath()
 {
-    return location(QLibraryInfo::PluginsPath) % QDir::separator() % QStringLiteral("qtwebengine");
+    return location(QLibraryInfo::PluginsPath) % QDir::separator() % QLatin1String("qtwebengine");
 }
 
 QString localesPath()
 {
-    return location(QLibraryInfo::TranslationsPath) % QStringLiteral("/qtwebengine_locales");
+    return location(QLibraryInfo::TranslationsPath) % QLatin1String("/qtwebengine_locales");
 }
 
 QString fallbackDir() {
@@ -155,7 +155,7 @@ base::FilePath WebEngineLibraryInfo::getPath(int key)
     QString directory;
     switch (key) {
     case QT_RESOURCES_PAK:
-        return toFilePath(location(QLibraryInfo::DataPath) % QStringLiteral("/qtwebengine_resources.pak"));
+        return toFilePath(location(QLibraryInfo::DataPath) % QLatin1String("/qtwebengine_resources.pak"));
     case base::FILE_EXE:
     case content::CHILD_PROCESS_EXE:
         return toFilePath(subProcessPath());
diff --git a/src/webengine/api/qquickwebengineview.cpp b/src/webengine/api/qquickwebengineview.cpp
index 8e23f77ae4dd35d73fcff1e72a5687d3e15a3c35..b466c856602d7e590378f53985dda33305b5d173 100644
--- a/src/webengine/api/qquickwebengineview.cpp
+++ b/src/webengine/api/qquickwebengineview.cpp
@@ -95,7 +95,7 @@ QQuickWebEngineViewPrivate::QQuickWebEngineViewPrivate()
     // and instead use a reasonable default value for viewport.devicePixelRatio to avoid every
     // app having to use this experimental API.
     QString platform = qApp->platformName().toLower();
-    if (platform == QStringLiteral("qnx")) {
+    if (platform == QLatin1String("qnx")) {
         qreal webPixelRatio = QGuiApplication::primaryScreen()->physicalDotsPerInch() / 160;
 
         // Quantize devicePixelRatio to increments of 1 to allow JS and media queries to select
@@ -135,7 +135,7 @@ RenderWidgetHostViewQtDelegate *QQuickWebEngineViewPrivate::CreateRenderWidgetHo
 RenderWidgetHostViewQtDelegate *QQuickWebEngineViewPrivate::CreateRenderWidgetHostViewQtDelegateForPopup(RenderWidgetHostViewQtDelegateClient *client)
 {
     Q_Q(QQuickWebEngineView);
-    const bool hasWindowCapability = qApp->platformName().toLower() != QStringLiteral("eglfs");
+    const bool hasWindowCapability = qApp->platformName().toLower() != QLatin1String("eglfs");
     RenderWidgetHostViewQtDelegateQuick *quickDelegate = new RenderWidgetHostViewQtDelegateQuick(client, /*isPopup = */ true);
     if (hasWindowCapability) {
         RenderWidgetHostViewQtDelegateQuickWindow *wrapperWindow = new RenderWidgetHostViewQtDelegateQuickWindow(quickDelegate);
diff --git a/src/webengine/ui_delegates_manager.cpp b/src/webengine/ui_delegates_manager.cpp
index e559c0fbbae6cc9f6929c589a2543dcb4957b828..95e04d69992942ec4507bd6c6937189125d906f5 100644
--- a/src/webengine/ui_delegates_manager.cpp
+++ b/src/webengine/ui_delegates_manager.cpp
@@ -78,7 +78,7 @@ static QString getUIDelegatesImportDir(QQmlEngine *engine) {
     if (initialized)
         return importDir;
     Q_FOREACH (const QString &path, engine->importPathList()) {
-        QFileInfo fi(path % QStringLiteral("/QtWebEngine/UIDelegates/"));
+        QFileInfo fi(path % QLatin1String("/QtWebEngine/UIDelegates/"));
         if (fi.exists()) {
             importDir = fi.absolutePath();
             break;
diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
index dd14d751e1a7c774e3463fa5e922173f5137a006..c4a32d685cde97c4b944a065d3c7bf7b445616a0 100644
--- a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
+++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
@@ -182,7 +182,7 @@ void RenderWidgetHostViewQtDelegateWidget::setTooltip(const QString &tooltip)
 {
     QString wrappedTip;
     if (!tooltip.isEmpty())
-         wrappedTip = QStringLiteral("<p>") % tooltip.toHtmlEscaped().left(MaxTooltipLength) % QStringLiteral("</p>");
+         wrappedTip = QLatin1String("<p>") % tooltip.toHtmlEscaped().left(MaxTooltipLength) % QLatin1String("</p>");
     setToolTip(wrappedTip);
 }