diff --git a/src/plugins/autotest/quick/quicktestparser.cpp b/src/plugins/autotest/quick/quicktestparser.cpp
index 1c481a28577..06fbb53ad3d 100644
--- a/src/plugins/autotest/quick/quicktestparser.cpp
+++ b/src/plugins/autotest/quick/quicktestparser.cpp
@@ -139,7 +139,7 @@ static QString quickTestName(const CPlusPlus::Document::Ptr &doc,
     return astVisitor.testBaseName();
 }
 
-QList<Document::Ptr> QuickTestParser::scanDirectoryForQuickTestQmlFiles(const QString &srcDir) const
+QList<Document::Ptr> QuickTestParser::scanDirectoryForQuickTestQmlFiles(const QString &srcDir)
 {
     QStringList dirs(srcDir);
     ModelManagerInterface *qmlJsMM = QmlJSTools::Internal::ModelManager::instance();
@@ -157,7 +157,8 @@ QList<Document::Ptr> QuickTestParser::scanDirectoryForQuickTestQmlFiles(const QS
         QFileInfo fi(it.fileInfo().canonicalFilePath());
         dirs.append(fi.filePath());
     }
-    emit updateWatchPaths(dirs);
+    QMetaObject::invokeMethod(this, [this, dirs] { QuickTestParser::doUpdateWatchPaths(dirs); },
+                              Qt::QueuedConnection);
 
     QList<Document::Ptr> foundDocs;
 
@@ -310,8 +311,6 @@ QuickTestParser::QuickTestParser(ITestFramework *framework)
     });
     connect(&m_directoryWatcher, &QFileSystemWatcher::directoryChanged,
             this, &QuickTestParser::handleDirectoryChanged);
-    connect(this, &QuickTestParser::updateWatchPaths,
-            this, &QuickTestParser::doUpdateWatchPaths, Qt::QueuedConnection);
 }
 
 void QuickTestParser::init(const QStringList &filesToParse, bool fullParse)
diff --git a/src/plugins/autotest/quick/quicktestparser.h b/src/plugins/autotest/quick/quicktestparser.h
index 21e7667832d..fbccc4e8297 100644
--- a/src/plugins/autotest/quick/quicktestparser.h
+++ b/src/plugins/autotest/quick/quicktestparser.h
@@ -51,14 +51,12 @@ public:
     bool processDocument(QFutureInterface<TestParseResultPtr> futureInterface,
                          const QString &fileName) override;
     QString projectFileForMainCppFile(const QString &fileName) const;
-signals:
-    void updateWatchPaths(const QStringList &directories) const;
 private:
     bool handleQtQuickTest(QFutureInterface<TestParseResultPtr> futureInterface,
                            CPlusPlus::Document::Ptr document, ITestFramework *framework);
     void handleDirectoryChanged(const QString &directory);
     void doUpdateWatchPaths(const QStringList &directories);
-    QList<QmlJS::Document::Ptr> scanDirectoryForQuickTestQmlFiles(const QString &srcDir) const;
+    QList<QmlJS::Document::Ptr> scanDirectoryForQuickTestQmlFiles(const QString &srcDir);
     QmlJS::Snapshot m_qmlSnapshot;
     QHash<QString, QString> m_proFilesForQmlFiles;
     QFileSystemWatcher m_directoryWatcher;