diff --git a/src/Application.cpp b/src/Application.cpp
index 2572164a..fd44ce35 100644
--- a/src/Application.cpp
+++ b/src/Application.cpp
@@ -141,7 +141,7 @@ void Application::populateCommandLineParser(QCommandLineParser *parser)
 
 QStringList Application::getCustomCommand(QStringList &args)
 {
-    int i = args.indexOf(QStringLiteral("-e"));
+    int i = args.indexOf(QLatin1String("-e"));
     QStringList customCommand;
     if ((0 < i) && (i < (args.size() - 1))) {
         // -e was specified with at least one extra argument
@@ -310,8 +310,8 @@ bool Application::processTabsFromFileArgs(MainWindow *window)
             lineTokens[key] = value;
         }
         // should contain at least one of 'command' and 'profile'
-        if (lineTokens.contains(QStringLiteral("command"))
-            || lineTokens.contains(QStringLiteral("profile"))) {
+        if (lineTokens.contains(QLatin1String("command"))
+            || lineTokens.contains(QLatin1String("profile"))) {
             createTabFromArgs(window, lineTokens);
             sessions++;
         } else {
diff --git a/src/ColorSchemeEditor.cpp b/src/ColorSchemeEditor.cpp
index d20f6c8d..cf1d8f0e 100644
--- a/src/ColorSchemeEditor.cpp
+++ b/src/ColorSchemeEditor.cpp
@@ -203,7 +203,7 @@ void ColorSchemeEditor::selectWallpaper()
     for (const QByteArray &mime : mimeTypes) {
         fileFormats += QStringLiteral("*.%1 ").arg(QLatin1String(mime));
     }
-    fileFormats += QLatin1String(")");
+    fileFormats += QLatin1Char(')');
 
     const QString fileName = QFileDialog::getOpenFileName(this,
                                                           i18nc("@title:window",
diff --git a/src/ColorSchemeManager.cpp b/src/ColorSchemeManager.cpp
index 0a9a3cd3..0b030234 100644
--- a/src/ColorSchemeManager.cpp
+++ b/src/ColorSchemeManager.cpp
@@ -221,7 +221,7 @@ const ColorScheme *ColorSchemeManager::findColorScheme(const QString &name)
 
 QString ColorSchemeManager::findColorSchemePath(const QString &name) const
 {
-    QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("konsole/") + name + QStringLiteral(".colorscheme"));
+    QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("konsole/") + name + QLatin1String(".colorscheme"));
 
     if (!path.isEmpty()) {
         return path;
@@ -247,7 +247,7 @@ bool ColorSchemeManager::isColorSchemeDeletable(const QString &name)
 
 bool ColorSchemeManager::canResetColorScheme(const QString &name)
 {
-    const QStringList paths = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("konsole/") + name + QStringLiteral(".colorscheme"));
+    const QStringList paths = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QLatin1String("konsole/") + name + QLatin1String(".colorscheme"));
 
     // if the colorscheme exists in both a writable location under the
     // user's home dir and a system-wide location, then it's possible
diff --git a/src/EditProfileDialog.cpp b/src/EditProfileDialog.cpp
index 03c56e52..06674bd2 100644
--- a/src/EditProfileDialog.cpp
+++ b/src/EditProfileDialog.cpp
@@ -507,7 +507,7 @@ void EditProfileDialog::showEnvironmentEditor()
     QString text = QInputDialog::getMultiLineText(this,
                                                   i18n("Edit Environment"),
                                                   i18n("One environment variable per line"),
-                                                  currentEnvironment.join(QStringLiteral("\n")),
+                                                  currentEnvironment.join(QLatin1Char('\n')),
                                                   &ok);
 
     QStringList newEnvironment;
diff --git a/src/KeyboardTranslatorManager.cpp b/src/KeyboardTranslatorManager.cpp
index 883e715c..ac70f44e 100644
--- a/src/KeyboardTranslatorManager.cpp
+++ b/src/KeyboardTranslatorManager.cpp
@@ -85,7 +85,7 @@ bool KeyboardTranslatorManager::isTranslatorDeletable(const QString &name) const
 
 bool KeyboardTranslatorManager::isTranslatorResettable(const QString &name) const
 {
-    const QStringList &paths = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("konsole/") + name + QStringLiteral(".keytab"));
+    const QStringList &paths = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QLatin1String("konsole/") + name + QLatin1String(".keytab"));
 
     return (paths.count() > 1);
 }
diff --git a/src/ProcessInfo.cpp b/src/ProcessInfo.cpp
index ed68f737..2e9633a5 100644
--- a/src/ProcessInfo.cpp
+++ b/src/ProcessInfo.cpp
@@ -141,7 +141,7 @@ QSet<QString> ProcessInfo::commonDirNames()
 
 QString ProcessInfo::formatShortDir(const QString &input) const
 {
-    if(input == QStringLiteral("/")) {
+    if(input == QLatin1String("/")) {
         return QStringLiteral("/");
     }
 
@@ -1151,7 +1151,7 @@ QString SSHProcessInfo::format(const QString &input) const
     // Depending on whether -l was passed to ssh (which is mostly not the
     // case due to ~/.ssh/config).
     if (_user.isEmpty()) {
-        output.replace(QLatin1String("%U"), QString());
+        output.remove(QLatin1String("%U"));
     } else {
         output.replace(QLatin1String("%U"), _user + QLatin1Char('@'));
     }
diff --git a/src/ProfileManager.cpp b/src/ProfileManager.cpp
index 0387a79b..fa6f3822 100644
--- a/src/ProfileManager.cpp
+++ b/src/ProfileManager.cpp
@@ -100,7 +100,7 @@ ProfileManager::ProfileManager()
     _defaultProfile = _fallbackProfile;
     if (!defaultProfileFileName.isEmpty()) {
         // load the default profile
-        const QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("konsole/") + defaultProfileFileName);
+        const QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("konsole/") + defaultProfileFileName);
 
         if (!path.isEmpty()) {
             Profile::Ptr profile = loadProfile(path);
@@ -146,7 +146,7 @@ Profile::Ptr ProfileManager::loadProfile(const QString& shortPath)
     if (fileInfo.suffix() != QLatin1String("profile")) {
         path.append(QLatin1String(".profile"));
     }
-    if (fileInfo.path().isEmpty() || fileInfo.path() == QLatin1String(".")) {
+    if (fileInfo.path().isEmpty() || fileInfo.path() == QLatin1Char('.')) {
         path.prepend(QLatin1String("konsole") + QDir::separator());
     }
 
@@ -379,7 +379,7 @@ void ProfileManager::changeProfile(Profile::Ptr profile,
         QString newName;
         QString newTranslatedName;
         do {
-            newName = QStringLiteral("Profile ") + QString::number(nameSuffix);
+            newName = QLatin1String("Profile ") + QString::number(nameSuffix);
             newTranslatedName = i18nc("The default name of a profile", "Profile #%1", nameSuffix);
             // TODO: remove the # above and below - too many issues
             newTranslatedName.remove(QLatin1Char('#'));
@@ -562,7 +562,7 @@ void ProfileManager::loadShortcuts()
         // if the file is not an absolute path, look it up
         QFileInfo fileInfo(profilePath);
         if (!fileInfo.isAbsolute()) {
-            profilePath = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("konsole/") + profilePath);
+            profilePath = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QLatin1String("konsole/") + profilePath);
         }
 
         data.profilePath = profilePath;
diff --git a/src/Session.cpp b/src/Session.cpp
index 83364ceb..3cd0f4bb 100644
--- a/src/Session.cpp
+++ b/src/Session.cpp
@@ -493,7 +493,7 @@ void Session::run()
 
     int result = _shellProcess->start(exec, arguments, _environment);
     if (result < 0) {
-        terminalWarning(i18n("Could not start program '%1' with arguments '%2'.", exec, arguments.join(QLatin1String(" "))));
+        terminalWarning(i18n("Could not start program '%1' with arguments '%2'.", exec, arguments.join(QLatin1Char(' '))));
         terminalWarning(_shellProcess->errorString());
         return;
     }
diff --git a/src/SessionController.cpp b/src/SessionController.cpp
index c801455c..37e14d4c 100644
--- a/src/SessionController.cpp
+++ b/src/SessionController.cpp
@@ -1546,7 +1546,7 @@ void SessionController::updateSessionIcon()
 {
     // If the default profile icon is being used, don't put it on the tab
     // Only show the icon if the user specifically chose one
-    if (_session->iconName() == QStringLiteral("utilities-terminal")) {
+    if (_session->iconName() == QLatin1String("utilities-terminal")) {
         _sessionIconName = QString();
     } else {
         _sessionIconName = _session->iconName();
diff --git a/src/ViewContainer.cpp b/src/ViewContainer.cpp
index 32945a9f..81157301 100644
--- a/src/ViewContainer.cpp
+++ b/src/ViewContainer.cpp
@@ -98,7 +98,7 @@ TabbedViewContainer::TabbedViewContainer(ViewManager *connectedViewManager, QWid
     connect(_contextPopupMenu, &QMenu::aboutToHide, this, [this]() {
         // Remove the read-only action when the popup closes
         for (auto &action : _contextPopupMenu->actions()) {
-            if (action->objectName() == QStringLiteral("view-readonly")) {
+            if (action->objectName() == QLatin1String("view-readonly")) {
                 _contextPopupMenu->removeAction(action);
                 break;
             }
@@ -470,7 +470,7 @@ void TabbedViewContainer::openTabContextMenu(const QPoint &point)
     //TODO: add a countChanged signal so we can remove this for.
     // Detaching in mac causes crashes.
     for(auto action : _contextPopupMenu->actions()) {
-        if (action->objectName() == QStringLiteral("tab-detach")) {
+        if (action->objectName() == QLatin1String("tab-detach")) {
             action->setEnabled(count() > 1);
         }
     }
@@ -493,7 +493,7 @@ void TabbedViewContainer::openTabContextMenu(const QPoint &point)
 
         // Disable tab rename
         for (auto &action : _contextPopupMenu->actions()) {
-            if (action->objectName() == QStringLiteral("edit-rename")) {
+            if (action->objectName() == QLatin1String("edit-rename")) {
                 action->setEnabled(!sessionController->isReadOnly());
                 break;
             }
diff --git a/src/ViewManager.cpp b/src/ViewManager.cpp
index ebceaeed..4e7367b1 100644
--- a/src/ViewManager.cpp
+++ b/src/ViewManager.cpp
@@ -903,7 +903,7 @@ namespace {
 ViewSplitter *restoreSessionsSplitterRecurse(const QJsonObject& jsonSplitter, ViewManager *manager)
 {
     auto splitterWidgets = jsonSplitter[QStringLiteral("Widgets")].toArray();
-    auto orientation = (jsonSplitter[QStringLiteral("Orientation")].toString() == QStringLiteral("Horizontal"))
+    auto orientation = (jsonSplitter[QStringLiteral("Orientation")].toString() == QLatin1String("Horizontal"))
         ? Qt::Horizontal : Qt::Vertical;
 
     auto *currentSplitter = new ViewSplitter();
diff --git a/src/autotests/PartTest.cpp b/src/autotests/PartTest.cpp
index e113edf2..476f93b0 100644
--- a/src/autotests/PartTest.cpp
+++ b/src/autotests/PartTest.cpp
@@ -51,7 +51,7 @@ void PartTest::initTestCase()
     auto buildPath = libraryPaths.last();
     QCoreApplication::removeLibraryPath(buildPath);
     // konsolepart.so is in ../autotests/
-    if (buildPath.endsWith(QStringLiteral("/autotests"))) {
+    if (buildPath.endsWith(QLatin1String("/autotests"))) {
         buildPath.chop(10);
     }
     QCoreApplication::addLibraryPath(buildPath);
diff --git a/src/autotests/ShellCommandTest.cpp b/src/autotests/ShellCommandTest.cpp
index 3f3c3a03..d66e9dcf 100644
--- a/src/autotests/ShellCommandTest.cpp
+++ b/src/autotests/ShellCommandTest.cpp
@@ -54,7 +54,7 @@ void ShellCommandTest::testConstructorWithTwoArguments()
     ShellCommand shellCommand(command, arguments);
     QCOMPARE(shellCommand.command(), command);
     QCOMPARE(shellCommand.arguments(), arguments);
-    QCOMPARE(shellCommand.fullCommand(), arguments.join(QLatin1String(" ")));
+    QCOMPARE(shellCommand.fullCommand(), arguments.join(QLatin1Char(' ')));
 }
 
 void ShellCommandTest::testExpandEnvironmentVariable()
diff --git a/src/autotests/TerminalInterfaceTest.cpp b/src/autotests/TerminalInterfaceTest.cpp
index 8dc61689..10d4d9b2 100644
--- a/src/autotests/TerminalInterfaceTest.cpp
+++ b/src/autotests/TerminalInterfaceTest.cpp
@@ -57,7 +57,7 @@ void TerminalInterfaceTest::initTestCase()
     auto buildPath = libraryPaths.last();
     QCoreApplication::removeLibraryPath(buildPath);
     // konsolepart.so is in ../autotests/
-    if (buildPath.endsWith(QStringLiteral("/autotests"))) {
+    if (buildPath.endsWith(QLatin1String("/autotests"))) {
         buildPath.chop(10);
     }
     QCoreApplication::addLibraryPath(buildPath);
diff --git a/src/main.cpp b/src/main.cpp
index e62854f7..726ad802 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -279,13 +279,13 @@ bool shouldUseNewProcess(int argc, char *argv[])
     // if users have explictly requested starting a new process
     // Support --nofork to retain argument compatibility with older
     // versions.
-    if (arguments.contains(QStringLiteral("--separate"))
-        || arguments.contains(QStringLiteral("--nofork"))) {
+    if (arguments.contains(QLatin1String("--separate"))
+        || arguments.contains(QLatin1String("--nofork"))) {
         return true;
     }
 
     // the only way to create new tab is to reuse existing Konsole process.
-    if (arguments.contains(QStringLiteral("--new-tab"))) {
+    if (arguments.contains(QLatin1String("--new-tab"))) {
         return false;
     }
 
diff --git a/tools/uni2characterwidth/template.cpp b/tools/uni2characterwidth/template.cpp
index 055d7a28..be2da424 100644
--- a/tools/uni2characterwidth/template.cpp
+++ b/tools/uni2characterwidth/template.cpp
@@ -124,7 +124,7 @@ static inline void warn(const Template::Element &element, const QString &msg) {
 
 void Template::executeCommand(Element &element, const Template::Element &childStub, const QStringList &argv) {
     // Insert content N times
-    if(argv[0] == QStringLiteral("repeat")) {
+    if(argv[0] == QLatin1String("repeat")) {
         bool ok;
         unsigned count = argv.value(1).toInt(&ok);
         if(!ok || count < 1) {
@@ -148,7 +148,7 @@ void Template::executeCommand(Element &element, const Template::Element &childSt
         }
     // Set printf-like format (with leading %) applied for strings and numbers
     // inside the group
-    } else if(argv[0] == QStringLiteral("fmt")) {
+    } else if(argv[0] == QLatin1String("fmt")) {
         static const QRegularExpression FMT_RE(QStringLiteral(R":(^%[-0 +#]?(?:[1-9][0-9]*)?\.?[0-9]*[diouxXs]$):"),
                                                QRegularExpression::OptimizeOnFirstUsageOption);
         const auto match = FMT_RE.match(argv.value(1));
diff --git a/tools/uni2characterwidth/uni2characterwidth.cpp b/tools/uni2characterwidth/uni2characterwidth.cpp
index 04d0b438..ed2bde4b 100644
--- a/tools/uni2characterwidth/uni2characterwidth.cpp
+++ b/tools/uni2characterwidth/uni2characterwidth.cpp
@@ -119,7 +119,7 @@ protected:
                 continue;
             }
             if(!match.captured(QStringLiteral("udRangeInd")).isNull()) {
-                if(match.captured(QStringLiteral("udRangeInd")) == QStringLiteral("First")) {
+                if(match.captured(QStringLiteral("udRangeInd")) == QLatin1String("First")) {
                     // Fetch next valid line, as it pairs with the current one to form a range
                     QRegularExpressionMatch nlMatch;
                     int firstLineNo = _lineNo;
@@ -914,20 +914,20 @@ int main(int argc, char *argv[]) {
         {EmojiOpt,          EmojiProperty::EmojiPresentation},
     };
 
-    if(emojiStr == QStringLiteral("presentation"))
+    if(emojiStr == QLatin1String("presentation"))
         convertOpts[EmojiOpt] = EmojiProperty::EmojiPresentation;
-    else if(emojiStr == QStringLiteral("all"))
+    else if(emojiStr == QLatin1String("all"))
         convertOpts[EmojiOpt] = EmojiProperty::Emoji;
     else {
         convertOpts[EmojiOpt] = EmojiProperty::EmojiPresentation;
         qWarning() << QStringLiteral("invalid emoji option value: %1. Assuming \"presentation\".").arg(emojiStr);
     }
 
-    if(ambiguousWidthStr == QStringLiteral("separate"))
+    if(ambiguousWidthStr == QLatin1String("separate"))
         convertOpts[AmbiguousWidthOpt] = CharacterWidth::Ambiguous;
-    else if(ambiguousWidthStr == QStringLiteral("1"))
+    else if(ambiguousWidthStr == QLatin1Char('1'))
         convertOpts[AmbiguousWidthOpt] = 1;
-    else if(ambiguousWidthStr == QStringLiteral("2"))
+    else if(ambiguousWidthStr == QLatin1Char('2'))
         convertOpts[AmbiguousWidthOpt] = 2;
     else {
         convertOpts[AmbiguousWidthOpt] = CharacterWidth::Ambiguous;
@@ -940,7 +940,7 @@ int main(int argc, char *argv[]) {
 
     if(!GENERATOR_FUNCS_MAP.contains(generatorName)) {
         int status = 0;
-        if(generatorName != QStringLiteral("-")) {
+        if(generatorName != QLatin1String("-")) {
             status = 1;
             eout << QStringLiteral("Invalid output generator. Available generators:") << endl;
         }