diff --git a/src/Mod/Material/App/MaterialManager.cpp b/src/Mod/Material/App/MaterialManager.cpp
index 25627c46e3..37c5869a7f 100644
--- a/src/Mod/Material/App/MaterialManager.cpp
+++ b/src/Mod/Material/App/MaterialManager.cpp
@@ -190,17 +190,17 @@ std::shared_ptr<Material> MaterialManager::defaultMaterial()
         material = manager.getMaterial(QLatin1String("7f9fd73b-50c9-41d8-b7b2-575a030c1eeb"));
     }
     if (material->hasAppearanceModel(ModelUUIDs::ModelUUID_Rendering_Basic)) {
-        material->getAppearanceProperty(QString::fromLatin1("DiffuseColor"))
+        material->getAppearanceProperty(QStringLiteral("DiffuseColor"))
             ->setColor(mat->diffuseColor);
-        material->getAppearanceProperty(QString::fromLatin1("AmbientColor"))
+        material->getAppearanceProperty(QStringLiteral("AmbientColor"))
             ->setColor(mat->ambientColor);
-        material->getAppearanceProperty(QString::fromLatin1("EmissiveColor"))
+        material->getAppearanceProperty(QStringLiteral("EmissiveColor"))
             ->setColor(mat->emissiveColor);
-        material->getAppearanceProperty(QString::fromLatin1("SpecularColor"))
+        material->getAppearanceProperty(QStringLiteral("SpecularColor"))
             ->setColor(mat->specularColor);
-        material->getAppearanceProperty(QString::fromLatin1("Transparency"))
+        material->getAppearanceProperty(QStringLiteral("Transparency"))
             ->setFloat(mat->transparency);
-        material->getAppearanceProperty(QString::fromLatin1("Shininess"))
+        material->getAppearanceProperty(QStringLiteral("Shininess"))
             ->setFloat(mat->shininess);
     }
 
diff --git a/src/Mod/Material/App/MaterialValue.cpp b/src/Mod/Material/App/MaterialValue.cpp
index 00b2d0edeb..65a3082e66 100644
--- a/src/Mod/Material/App/MaterialValue.cpp
+++ b/src/Mod/Material/App/MaterialValue.cpp
@@ -293,13 +293,13 @@ QString MaterialValue::getYAMLString() const
         else if (getType() == MaterialValue::Float) {
             auto value = getValue();
             if (!value.isNull()) {
-                yaml += QString::fromLatin1("%1").arg(value.toFloat(), 0, 'g', 6);
+                yaml += QStringLiteral("%1").arg(value.toFloat(), 0, 'g', 6);
             }
         }
         else if (getType() == MaterialValue::List) {
             for (auto& it : getList()) {
-                yaml += QString::fromLatin1("\n      - \"") + escapeString(it.toString())
-                    + QString::fromLatin1("\"");
+                yaml += QStringLiteral("\n      - \"") + escapeString(it.toString())
+                    + QStringLiteral("\"");
             }
             return yaml;
         }
@@ -307,7 +307,7 @@ QString MaterialValue::getYAMLString() const
             yaml += getValue().toString();
         }
     }
-    yaml = QString::fromLatin1(" \"") + escapeString(yaml) + QString::fromLatin1("\"");
+    yaml = QStringLiteral(" \"") + escapeString(yaml) + QStringLiteral("\"");
     return yaml;
 }
 
diff --git a/src/Mod/Material/Gui/MaterialTreeWidget.cpp b/src/Mod/Material/Gui/MaterialTreeWidget.cpp
index 823d424318..067ffca27e 100644
--- a/src/Mod/Material/Gui/MaterialTreeWidget.cpp
+++ b/src/Mod/Material/Gui/MaterialTreeWidget.cpp
@@ -425,7 +425,7 @@ void MaterialTreeWidget::getFavorites()
         "User parameter:BaseApp/Preferences/Mod/Material/Favorites");
     auto count = param->GetInt("Favorites", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("FAV%1").arg(i);
+        QString key = QStringLiteral("FAV%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         if (!_filter || _filter->modelIncluded(uuid)) {
             _favorites.push_back(uuid);
@@ -442,7 +442,7 @@ void MaterialTreeWidget::getRecents()
     _recentMax = static_cast<int>(param->GetInt("RecentMax", defaultRecents));
     auto count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         if (!_filter || _filter->modelIncluded(uuid)) {
             _recents.push_back(uuid);
@@ -458,7 +458,7 @@ void MaterialTreeWidget::saveRecents()
     // Clear out the existing favorites
     int count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         param->RemoveASCII(key.toStdString().c_str());
     }
 
@@ -470,7 +470,7 @@ void MaterialTreeWidget::saveRecents()
     param->SetInt("Recent", size);
     int j = 0;
     for (auto& recent : _recents) {
-        QString key = QString::fromLatin1("MRU%1").arg(j);
+        QString key = QStringLiteral("MRU%1").arg(j);
         param->SetASCII(key.toStdString().c_str(), recent.toStdString());
 
         j++;
diff --git a/src/Mod/Material/Gui/MaterialsEditor.cpp b/src/Mod/Material/Gui/MaterialsEditor.cpp
index 731b11d48e..7cd5e75537 100644
--- a/src/Mod/Material/Gui/MaterialsEditor.cpp
+++ b/src/Mod/Material/Gui/MaterialsEditor.cpp
@@ -179,7 +179,7 @@ void MaterialsEditor::getFavorites()
         "User parameter:BaseApp/Preferences/Mod/Material/Favorites");
     int count = param->GetInt("Favorites", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("FAV%1").arg(i);
+        QString key = QStringLiteral("FAV%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         if (!_filter || _filter->modelIncluded(uuid)) {
             _favorites.push_back(uuid);
@@ -195,7 +195,7 @@ void MaterialsEditor::saveFavorites()
     // Clear out the existing favorites
     int count = param->GetInt("Favorites", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("FAV%1").arg(i);
+        QString key = QStringLiteral("FAV%1").arg(i);
         param->RemoveASCII(key.toStdString().c_str());
     }
 
@@ -203,7 +203,7 @@ void MaterialsEditor::saveFavorites()
     param->SetInt("Favorites", _favorites.size());
     int j = 0;
     for (auto& favorite : _favorites) {
-        QString key = QString::fromLatin1("FAV%1").arg(j);
+        QString key = QStringLiteral("FAV%1").arg(j);
         param->SetASCII(key.toStdString().c_str(), favorite.toStdString());
 
         j++;
@@ -257,7 +257,7 @@ void MaterialsEditor::getRecents()
     _recentMax = param->GetInt("RecentMax", 5);
     int count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         if (!_filter || _filter->modelIncluded(uuid)) {
             _recents.push_back(uuid);
@@ -273,7 +273,7 @@ void MaterialsEditor::saveRecents()
     // Clear out the existing favorites
     int count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         param->RemoveASCII(key.toStdString().c_str());
     }
 
@@ -285,7 +285,7 @@ void MaterialsEditor::saveRecents()
     param->SetInt("Recent", size);
     int j = 0;
     for (auto& recent : _recents) {
-        QString key = QString::fromLatin1("MRU%1").arg(j);
+        QString key = QStringLiteral("MRU%1").arg(j);
         param->SetASCII(key.toStdString().c_str(), recent.toStdString());
 
         j++;
@@ -1177,12 +1177,12 @@ QString MaterialsEditor::libraryPath(const std::shared_ptr<Materials::Material>&
     QString path;
     auto library = material->getLibrary();
     if (library) {
-        path = QString::fromLatin1("/%1/%2")
+        path = QStringLiteral("/%1/%2")
                    .arg(material->getLibrary()->getName())
                    .arg(material->getDirectory());
     }
     else {
-        path = QString::fromLatin1("%1").arg(material->getDirectory());
+        path = QStringLiteral("%1").arg(material->getDirectory());
     }
 
     return path;
diff --git a/src/Mod/Material/Gui/ModelSelect.cpp b/src/Mod/Material/Gui/ModelSelect.cpp
index 49a21057f8..157aa2c50e 100644
--- a/src/Mod/Material/Gui/ModelSelect.cpp
+++ b/src/Mod/Material/Gui/ModelSelect.cpp
@@ -83,7 +83,7 @@ void ModelSelect::getFavorites()
         "User parameter:BaseApp/Preferences/Mod/Material/Models/Favorites");
     int count = param->GetInt("Favorites", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("FAV%1").arg(i);
+        QString key = QStringLiteral("FAV%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         _favorites.push_back(uuid);
     }
@@ -97,7 +97,7 @@ void ModelSelect::saveFavorites()
     // Clear out the existing favorites
     int count = param->GetInt("Favorites", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("FAV%1").arg(i);
+        QString key = QStringLiteral("FAV%1").arg(i);
         param->RemoveASCII(key.toStdString().c_str());
     }
 
@@ -105,7 +105,7 @@ void ModelSelect::saveFavorites()
     param->SetInt("Favorites", _favorites.size());
     int j = 0;
     for (auto& favorite : _favorites) {
-        QString key = QString::fromLatin1("FAV%1").arg(j);
+        QString key = QStringLiteral("FAV%1").arg(j);
         param->SetASCII(key.toStdString().c_str(), favorite.toStdString());
 
         j++;
@@ -150,7 +150,7 @@ void ModelSelect::getRecents()
     _recentMax = param->GetInt("RecentMax", 5);
     int count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         QString uuid = QString::fromStdString(param->GetASCII(key.toStdString().c_str(), ""));
         _recents.push_back(uuid);
     }
@@ -164,7 +164,7 @@ void ModelSelect::saveRecents()
     // Clear out the existing favorites
     int count = param->GetInt("Recent", 0);
     for (int i = 0; static_cast<long>(i) < count; i++) {
-        QString key = QString::fromLatin1("MRU%1").arg(i);
+        QString key = QStringLiteral("MRU%1").arg(i);
         param->RemoveASCII(key.toStdString().c_str());
     }
 
@@ -176,7 +176,7 @@ void ModelSelect::saveRecents()
     param->SetInt("Recent", size);
     int j = 0;
     for (auto& recent : _recents) {
-        QString key = QString::fromLatin1("MRU%1").arg(j);
+        QString key = QStringLiteral("MRU%1").arg(j);
         param->SetASCII(key.toStdString().c_str(), recent.toStdString());
 
         j++;
diff --git a/tests/src/Mod/Material/App/TestMaterialFilter.cpp b/tests/src/Mod/Material/App/TestMaterialFilter.cpp
index 2d27cd464b..f79c12bc96 100644
--- a/tests/src/Mod/Material/App/TestMaterialFilter.cpp
+++ b/tests/src/Mod/Material/App/TestMaterialFilter.cpp
@@ -116,28 +116,28 @@ TEST_F(TestMaterialFilter, TestFilters)
     // First check that our materials are loading
     auto material = _materialManager->getMaterial(QString::fromLatin1(UUIDAluminumAppearance));
     ASSERT_TRUE(material);
-    ASSERT_EQ(material->getName(), QString::fromLatin1("TestAluminumAppearance"));
+    ASSERT_EQ(material->getName(), QStringLiteral("TestAluminumAppearance"));
     ASSERT_EQ(material->getUUID(), QString::fromLatin1(UUIDAluminumAppearance));
 
     material = _materialManager->getMaterial(QString::fromLatin1(UUIDAluminumMixed));
     ASSERT_TRUE(material);
-    ASSERT_EQ(material->getName(), QString::fromLatin1("TestAluminumMixed"));
+    ASSERT_EQ(material->getName(), QStringLiteral("TestAluminumMixed"));
     ASSERT_EQ(material->getUUID(), QString::fromLatin1(UUIDAluminumMixed));
 
     material = _materialManager->getMaterial(QString::fromLatin1(UUIDAluminumPhysical));
     ASSERT_TRUE(material);
-    ASSERT_EQ(material->getName(), QString::fromLatin1("TestAluminumPhysical"));
+    ASSERT_EQ(material->getName(), QStringLiteral("TestAluminumPhysical"));
     ASSERT_EQ(material->getUUID(), QString::fromLatin1(UUIDAluminumPhysical));
 
     material = _materialManager->getMaterial(QString::fromLatin1(UUIDBrassAppearance));
     ASSERT_TRUE(material);
-    ASSERT_EQ(material->getName(), QString::fromLatin1("TestBrassAppearance"));
+    ASSERT_EQ(material->getName(), QStringLiteral("TestBrassAppearance"));
     ASSERT_EQ(material->getUUID(), QString::fromLatin1(UUIDBrassAppearance));
 
-    material = _materialManager->getMaterialByPath(QString::fromLatin1("TestAcrylicLegacy.FCMat"),
-        QString::fromLatin1("Custom"));
+    material = _materialManager->getMaterialByPath(QStringLiteral("TestAcrylicLegacy.FCMat"),
+        QStringLiteral("Custom"));
     ASSERT_TRUE(material);
-    ASSERT_EQ(material->getName(), QString::fromLatin1("TestAcrylicLegacy"));
+    ASSERT_EQ(material->getName(), QStringLiteral("TestAcrylicLegacy"));
     ASSERT_EQ(material->getUUID().size(), 36); // We don't know the UUID
 
     // Create an empty filter