diff --git a/tests/auto/cplusplus/checksymbols/tst_checksymbols.cpp b/tests/auto/cplusplus/checksymbols/tst_checksymbols.cpp
index e73468db799..0e0705c5e56 100644
--- a/tests/auto/cplusplus/checksymbols/tst_checksymbols.cpp
+++ b/tests/auto/cplusplus/checksymbols/tst_checksymbols.cpp
@@ -144,7 +144,7 @@ public:
             if (result.column == column)
                 return result;
         }
-        return Use();
+        return {};
     }
 
     CheckSymbols::Future future;
diff --git a/tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp b/tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp
index d9fce5e2f23..54ceed08ca0 100644
--- a/tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp
+++ b/tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp
@@ -21,7 +21,7 @@ QByteArray loadSource(const QString &fileName)
     QFile inf(QLatin1String(SRCDIR) + QLatin1Char('/') + fileName);
     if (!inf.open(QIODevice::ReadOnly | QIODevice::Text)) {
         qDebug("Cannot open \"%s\"", fileName.toUtf8().constData());
-        return QByteArray();
+        return {};
     }
 
     QTextStream ins(&inf);
@@ -194,11 +194,7 @@ public:
         else
             dir = QFileInfo(currentFileName).dir();
         const QFileInfo inc(dir, includedFileName);
-        if (inc.exists()) {
-            return inc.filePath();
-        } else {
-            return QString();
-        }
+        return inc.exists() ? inc.filePath() : QString();
     }
 
     QString resolveGlobally(const QString &currentFileName) const
@@ -208,8 +204,7 @@ public:
             if (f.exists())
                 return f.filePath();
         }
-
-        return QString();
+        return {};
     }
 
     void setIncludePaths(const QStringList &includePaths)
diff --git a/tests/auto/extensionsystem/pluginspec/tst_pluginspec.cpp b/tests/auto/extensionsystem/pluginspec/tst_pluginspec.cpp
index abf5bd5c068..762142b95ee 100644
--- a/tests/auto/extensionsystem/pluginspec/tst_pluginspec.cpp
+++ b/tests/auto/extensionsystem/pluginspec/tst_pluginspec.cpp
@@ -20,13 +20,13 @@ static QJsonObject metaData(const QString &fileName)
     QFile f(fileName);
     if (!f.open(QIODevice::ReadOnly)) {
         qWarning() << "Could not open" << fileName;
-        return QJsonObject();
+        return {};
     }
     QJsonParseError error;
     QJsonDocument doc = QJsonDocument::fromJson(f.readAll(), &error);
     if (error.error != QJsonParseError::NoError) {
         qWarning() << "Could not parse" << fileName << ":" << error.errorString();
-        return QJsonObject();
+        return {};
     }
     return doc.object();
 }
diff --git a/tests/auto/qml/qmldesigner/coretests/testrewriterview.cpp b/tests/auto/qml/qmldesigner/coretests/testrewriterview.cpp
index 0f708da693e..4dc37a3b691 100644
--- a/tests/auto/qml/qmldesigner/coretests/testrewriterview.cpp
+++ b/tests/auto/qml/qmldesigner/coretests/testrewriterview.cpp
@@ -57,8 +57,7 @@ VariantProperty TestModelToTextMerger::findAddedVariantProperty(const VariantPro
                 return property.toVariantProperty();
         }
     }
-
-    return VariantProperty();
+    return {};
 }
 
 TestRewriterView::TestRewriterView(ExternalDependenciesInterface &externalDependencies,
diff --git a/tests/auto/utils/multicursor/tst_multicursor.cpp b/tests/auto/utils/multicursor/tst_multicursor.cpp
index 4068d47f1fe..f873af143c7 100644
--- a/tests/auto/utils/multicursor/tst_multicursor.cpp
+++ b/tests/auto/utils/multicursor/tst_multicursor.cpp
@@ -57,7 +57,7 @@ public:
     QTextCursor toTextCursor(QTextDocument *doc)
     {
         if (p.first < 0)
-            return QTextCursor();
+            return {};
         QTextCursor c(doc);
         c.setPosition(p.second);
         c.setPosition(p.first, QTextCursor::KeepAnchor);