We depend against kf5.83/qt5.15

src/lib/kioLogFileReader.cpp

@@ -60,11 +60,7 @@ void KioLogFileReader::open()
     connect(mFileJob, SIGNAL(close(KIO::Job *)), this, SLOT(closeDone(KIO::Job *)));
 
     connect(mFileJob, &KIO::FileJob::data, this, &KioLogFileReader::dataReceived);
-#if KIO_VERSION < QT_VERSION_CHECK(5, 78, 0)
-    connect(mFileJob, &KIO::FileJob::mimetype, this, &KioLogFileReader::mimetypeReceived);
-#else
     connect(mFileJob, &KIO::FileJob::mimeTypeFound, this, &KioLogFileReader::mimetypeReceived);
-#endif
     logDebug() << "File opened.";
 }
 

src/modes/journald/journaldNetworkAnalyzer.cpp

@@ -287,11 +287,7 @@ void JournaldNetworkAnalyzer::sendRequest(RequestType requestType)
     mReply = mNetworkManager.get(request);
     connect(mReply, &QNetworkReply::finished, this, &JournaldNetworkAnalyzer::httpFinished);
     connect(mReply, &QNetworkReply::readyRead, this, &JournaldNetworkAnalyzer::httpReadyRead);
-#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
-    connect(mReply, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &JournaldNetworkAnalyzer::httpError);
-#else
     connect(mReply, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::errorOccurred), this, &JournaldNetworkAnalyzer::httpError);
-#endif
 }
 
 void JournaldNetworkAnalyzer::updateStatus(const QString &status)