diff --git a/src/Mod/Test/Gui/UnitTestImp.cpp b/src/Mod/Test/Gui/UnitTestImp.cpp
index 6bfed89ffd..39e7891689 100644
--- a/src/Mod/Test/Gui/UnitTestImp.cpp
+++ b/src/Mod/Test/Gui/UnitTestImp.cpp
@@ -115,14 +115,14 @@ void UnitTestDialog::setupConnections()
  */
 void UnitTestDialog::setProgressColor(const QColor& col)
 {
-    QString qss = QString::fromLatin1("QProgressBar {\n"
-                                      "    border: 2px solid grey;\n"
-                                      "    border-radius: 5px;\n"
-                                      "}\n"
-                                      "\n"
-                                      "QProgressBar::chunk {\n"
-                                      "    background-color: %1;\n"
-                                      "}")
+    QString qss = QStringLiteral("QProgressBar {\n"
+                                 "    border: 2px solid grey;\n"
+                                 "    border-radius: 5px;\n"
+                                 "}\n"
+                                 "\n"
+                                 "QProgressBar::chunk {\n"
+                                 "    background-color: %1;\n"
+                                 "}")
                       .arg(col.name());
     ui->progressBar->setStyleSheet(qss);
 }
@@ -239,10 +239,10 @@ void UnitTestDialog::reset()
 {
     ui->progressBar->reset();
     ui->treeViewFailure->clear();
-    ui->textLabelRunCt->setText(QString::fromLatin1("<font color=\"#0000ff\">0</font>"));
-    ui->textLabelFailCt->setText(QString::fromLatin1("<font color=\"#0000ff\">0</font>"));
-    ui->textLabelErrCt->setText(QString::fromLatin1("<font color=\"#0000ff\">0</font>"));
-    ui->textLabelRemCt->setText(QString::fromLatin1("<font color=\"#0000ff\">0</font>"));
+    ui->textLabelRunCt->setText(QStringLiteral("<font color=\"#0000ff\">0</font>"));
+    ui->textLabelFailCt->setText(QStringLiteral("<font color=\"#0000ff\">0</font>"));
+    ui->textLabelErrCt->setText(QStringLiteral("<font color=\"#0000ff\">0</font>"));
+    ui->textLabelRemCt->setText(QStringLiteral("<font color=\"#0000ff\">0</font>"));
 }
 
 /**
@@ -357,7 +357,7 @@ void UnitTestDialog::insertError(const QString& failure, const QString& details)
  */
 void UnitTestDialog::setRunCount(int ct)
 {
-    ui->textLabelRunCt->setText(QString::fromLatin1("<font color=\"#0000ff\">%1</font>").arg(ct));
+    ui->textLabelRunCt->setText(QStringLiteral("<font color=\"#0000ff\">%1</font>").arg(ct));
 }
 
 /**
@@ -365,7 +365,7 @@ void UnitTestDialog::setRunCount(int ct)
  */
 void UnitTestDialog::setFailCount(int ct)
 {
-    ui->textLabelFailCt->setText(QString::fromLatin1("<font color=\"#0000ff\">%1</font>").arg(ct));
+    ui->textLabelFailCt->setText(QStringLiteral("<font color=\"#0000ff\">%1</font>").arg(ct));
 }
 
 /**
@@ -373,7 +373,7 @@ void UnitTestDialog::setFailCount(int ct)
  */
 void UnitTestDialog::setErrorCount(int ct)
 {
-    ui->textLabelErrCt->setText(QString::fromLatin1("<font color=\"#0000ff\">%1</font>").arg(ct));
+    ui->textLabelErrCt->setText(QStringLiteral("<font color=\"#0000ff\">%1</font>").arg(ct));
 }
 
 /**
@@ -381,7 +381,7 @@ void UnitTestDialog::setErrorCount(int ct)
  */
 void UnitTestDialog::setRemainCount(int ct)
 {
-    ui->textLabelRemCt->setText(QString::fromLatin1("<font color=\"#0000ff\">%1</font>").arg(ct));
+    ui->textLabelRemCt->setText(QStringLiteral("<font color=\"#0000ff\">%1</font>").arg(ct));
 }
 
 #include "moc_UnitTestImp.cpp"