diff --git a/utils/rbutilqt/configure.cpp b/utils/rbutilqt/configure.cpp
index 6f64a007a9..169499800e 100644
--- a/utils/rbutilqt/configure.cpp
+++ b/utils/rbutilqt/configure.cpp
@@ -94,7 +94,7 @@ Config::Config(QWidget *parent,int index) : QDialog(parent)
 
     this->setModal(true);
 
-    connect(ui.buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
+    connect(ui.buttonOk, &QAbstractButton::clicked, this, &Config::accept);
     connect(ui.buttonCancel, &QAbstractButton::clicked, this, &Config::abort);
     connect(ui.radioNoProxy, &QAbstractButton::toggled, this, &Config::setNoProxy);
     connect(ui.radioSystemProxy, &QAbstractButton::toggled, this, &Config::setSystemProxy);
diff --git a/utils/rbutilqt/createvoicewindow.cpp b/utils/rbutilqt/createvoicewindow.cpp
index 36131cb537..703f1e774c 100644
--- a/utils/rbutilqt/createvoicewindow.cpp
+++ b/utils/rbutilqt/createvoicewindow.cpp
@@ -58,10 +58,10 @@ void CreateVoiceWindow::accept()
     voicecreator->setWavtrimThreshold(ui.wavtrimthreshold->value());
        
     //start creating
-    connect(voicecreator, SIGNAL(done(bool)), logger, SLOT(setFinished()));
-    connect(voicecreator, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
+    connect(voicecreator, &VoiceFileCreator::done, logger, &ProgressLoggerGui::setFinished);
+    connect(voicecreator, &VoiceFileCreator::logItem, logger, &ProgressLoggerGui::addItem);
     connect(voicecreator, &VoiceFileCreator::logProgress, logger, &ProgressLoggerGui::setProgress);
-    connect(logger,SIGNAL(aborted()),voicecreator,SLOT(abort()));
+    connect(logger,&ProgressLoggerGui::aborted,voicecreator,&VoiceFileCreator::abort);
     voicecreator->createVoiceFile();
 }
 
diff --git a/utils/rbutilqt/gui/backupdialog.cpp b/utils/rbutilqt/gui/backupdialog.cpp
index 63e628f7cf..e48d0babae 100644
--- a/utils/rbutilqt/gui/backupdialog.cpp
+++ b/utils/rbutilqt/gui/backupdialog.cpp
@@ -60,7 +60,6 @@ BackupDialog::BackupDialog(QWidget* parent) : QDialog(parent)
 
     m_thread = new BackupSizeThread();
     connect(m_thread, &QThread::finished, this, &BackupDialog::updateSizeInfo);
-    connect(m_thread, SIGNAL(terminated()), this, SLOT(updateSizeInfo()));
 
     connect(ui.buttonCancel, &QAbstractButton::clicked, this, &QWidget::close);
     connect(ui.buttonCancel, &QAbstractButton::clicked, m_thread, &QThread::quit);
@@ -135,8 +134,8 @@ void BackupDialog::backup(void)
 
     // create backup
     ZipUtil zip(this);
-    connect(&zip, SIGNAL(logProgress(int, int)), m_logger, SLOT(setProgress(int, int)));
-    connect(&zip, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+    connect(&zip, &ZipUtil::logProgress, m_logger, &ProgressLoggerGui::setProgress);
+    connect(&zip, &ZipUtil::logItem, m_logger, &ProgressLoggerGui::addItem);
     zip.open(m_backupName, QuaZip::mdCreate);
 
     QString mp = m_mountpoint + "/.rockbox";
diff --git a/utils/rbutilqt/gui/changelog.cpp b/utils/rbutilqt/gui/changelog.cpp
index 6495c0ebd9..f256f3805c 100644
--- a/utils/rbutilqt/gui/changelog.cpp
+++ b/utils/rbutilqt/gui/changelog.cpp
@@ -28,7 +28,7 @@ Changelog::Changelog(QWidget *parent) : QDialog(parent)
     ui.browserChangelog->setHtml(parseChangelogFile(":/docs/changelog.txt"));
     ui.browserChangelog->moveCursor(QTextCursor::End, QTextCursor::MoveAnchor);
     ui.checkBoxShowAlways->setChecked(RbSettings::value(RbSettings::ShowChangelog).toBool());
-    connect(ui.buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
+    connect(ui.buttonOk, &QAbstractButton::clicked, this, &Changelog::accept);
 }
 
 
diff --git a/utils/rbutilqt/gui/selectiveinstallwidget.cpp b/utils/rbutilqt/gui/selectiveinstallwidget.cpp
index 341a4072cc..a558015ded 100644
--- a/utils/rbutilqt/gui/selectiveinstallwidget.cpp
+++ b/utils/rbutilqt/gui/selectiveinstallwidget.cpp
@@ -292,9 +292,9 @@ void SelectiveInstallWidget::installBootloader(void)
 
         // the bootloader install class does NOT use any GUI stuff.
         // All messages are passed via signals.
-        connect(bl, SIGNAL(done(bool)), m_logger, SLOT(setFinished()));
+        connect(bl, &BootloaderInstallBase::done, m_logger, &ProgressLoggerGui::setFinished);
         connect(bl, &BootloaderInstallBase::done, this, &SelectiveInstallWidget::continueInstall);
-        connect(bl, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(bl, &BootloaderInstallBase::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(bl, &BootloaderInstallBase::logProgress, m_logger, &ProgressLoggerGui::setProgress);
         // pass Abort button click signal to current installer
         connect(m_logger, SIGNAL(aborted()), bl, SLOT(progressAborted()));
@@ -447,9 +447,9 @@ void SelectiveInstallWidget::installRockbox(void)
 
         connect(m_zipinstaller, &ZipInstaller::done, this, &SelectiveInstallWidget::continueInstall);
 
-        connect(m_zipinstaller, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(m_zipinstaller, &ZipInstaller::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(m_zipinstaller, &ZipInstaller::logProgress, m_logger, &ProgressLoggerGui::setProgress);
-        connect(m_logger, SIGNAL(aborted()), m_zipinstaller, SLOT(abort()));
+        connect(m_logger, &ProgressLoggerGui::aborted, m_zipinstaller, &ZipInstaller::abort);
         m_zipinstaller->install();
 
     }
@@ -488,9 +488,9 @@ void SelectiveInstallWidget::installFonts(void)
             m_zipinstaller->setCache(true);
 
         connect(m_zipinstaller, &ZipInstaller::done, this, &SelectiveInstallWidget::continueInstall);
-        connect(m_zipinstaller, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(m_zipinstaller, &ZipInstaller::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(m_zipinstaller, &ZipInstaller::logProgress, m_logger, &ProgressLoggerGui::setProgress);
-        connect(m_logger, SIGNAL(aborted()), m_zipinstaller, SLOT(abort()));
+        connect(m_logger, &ProgressLoggerGui::aborted, m_zipinstaller, &ZipInstaller::abort);
         m_zipinstaller->install();
     }
     else {
@@ -527,9 +527,9 @@ void SelectiveInstallWidget::installVoicefile(void)
             m_zipinstaller->setCache(true);
 
         connect(m_zipinstaller, &ZipInstaller::done, this, &SelectiveInstallWidget::continueInstall);
-        connect(m_zipinstaller, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(m_zipinstaller, &ZipInstaller::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(m_zipinstaller, &ZipInstaller::logProgress, m_logger, &ProgressLoggerGui::setProgress);
-        connect(m_logger, SIGNAL(aborted()), m_zipinstaller, SLOT(abort()));
+        connect(m_logger, &ProgressLoggerGui::aborted, m_zipinstaller, &ZipInstaller::abort);
         m_zipinstaller->install();
     }
     else {
@@ -572,9 +572,9 @@ void SelectiveInstallWidget::installManual(void)
         m_zipinstaller->setUnzip(mantype == "html");
 
         connect(m_zipinstaller, &ZipInstaller::done, this, &SelectiveInstallWidget::continueInstall);
-        connect(m_zipinstaller, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(m_zipinstaller, &ZipInstaller::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(m_zipinstaller, &ZipInstaller::logProgress, m_logger, &ProgressLoggerGui::setProgress);
-        connect(m_logger, SIGNAL(aborted()), m_zipinstaller, SLOT(abort()));
+        connect(m_logger, &ProgressLoggerGui::aborted, m_zipinstaller, &ZipInstaller::abort);
         m_zipinstaller->install();
     }
     else {
@@ -667,9 +667,9 @@ void SelectiveInstallWidget::installPluginData(void)
         if(!RbSettings::value(RbSettings::CacheDisabled).toBool())
             m_zipinstaller->setCache(true);
         connect(m_zipinstaller, &ZipInstaller::done, this, &SelectiveInstallWidget::continueInstall);
-        connect(m_zipinstaller, SIGNAL(logItem(QString, int)), m_logger, SLOT(addItem(QString, int)));
+        connect(m_zipinstaller, &ZipInstaller::logItem, m_logger, &ProgressLoggerGui::addItem);
         connect(m_zipinstaller, &ZipInstaller::logProgress, m_logger, &ProgressLoggerGui::setProgress);
-        connect(m_logger, SIGNAL(aborted()), m_zipinstaller, SLOT(abort()));
+        connect(m_logger, &ProgressLoggerGui::aborted, m_zipinstaller, &ZipInstaller::abort);
         m_zipinstaller->install();
     }
     else {
diff --git a/utils/rbutilqt/installtalkwindow.cpp b/utils/rbutilqt/installtalkwindow.cpp
index bf374decb5..a3570196f5 100644
--- a/utils/rbutilqt/installtalkwindow.cpp
+++ b/utils/rbutilqt/installtalkwindow.cpp
@@ -116,10 +116,10 @@ void InstallTalkWindow::accept()
     talkcreator->setIgnoreFiles(ui.ignoreFiles->text().split(",", QString::SkipEmptyParts));
 #endif
 
-    connect(talkcreator, SIGNAL(done(bool)), logger, SLOT(setFinished()));
-    connect(talkcreator, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
+    connect(talkcreator, &TalkFileCreator::done, logger, &ProgressLoggerGui::setFinished);
+    connect(talkcreator, &TalkFileCreator::logItem, logger, &ProgressLoggerGui::addItem);
     connect(talkcreator, &TalkFileCreator::logProgress, logger, &ProgressLoggerGui::setProgress);
-    connect(logger,SIGNAL(aborted()),talkcreator,SLOT(abort()));
+    connect(logger,&ProgressLoggerGui::aborted,talkcreator,&TalkFileCreator::abort);
 
     for(int i = 0; i < foldersToTalk.size(); i++) {
         LOG_INFO() << "creating talk files for folder"
diff --git a/utils/rbutilqt/rbutilqt.cpp b/utils/rbutilqt/rbutilqt.cpp
index 7c11f44806..a9878646da 100644
--- a/utils/rbutilqt/rbutilqt.cpp
+++ b/utils/rbutilqt/rbutilqt.cpp
@@ -497,9 +497,9 @@ void RbUtilQt::uninstallBootloader(void)
         return;
     }
 
-    connect(bl, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
+    connect(bl, &BootloaderInstallBase::logItem, logger, &ProgressLoggerGui::addItem);
     connect(bl, &BootloaderInstallBase::logProgress, logger, &ProgressLoggerGui::setProgress);
-    connect(bl, SIGNAL(done(bool)), logger, SLOT(setFinished()));
+    connect(bl, &BootloaderInstallBase::done, logger, &ProgressLoggerGui::setFinished);
     // pass Abort button click signal to current installer
     connect(logger, SIGNAL(aborted()), bl, SLOT(progressAborted()));
 
diff --git a/utils/rbutilqt/themesinstallwindow.cpp b/utils/rbutilqt/themesinstallwindow.cpp
index 358bd7f1a1..129df8a980 100644
--- a/utils/rbutilqt/themesinstallwindow.cpp
+++ b/utils/rbutilqt/themesinstallwindow.cpp
@@ -95,7 +95,7 @@ void ThemesInstallWindow::downloadInfo()
     getter->setFile(&themesInfo);
 
     connect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
-    connect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
+    connect(logger, &ProgressLoggerGui::aborted, getter, &HttpGet::abort);
     getter->getFile(url);
 }
 
@@ -111,8 +111,8 @@ void ThemesInstallWindow::downloadDone(bool error)
 {
     LOG_INFO() << "Download done, error:" << error;
 
-    disconnect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
-    disconnect(logger, SIGNAL(aborted()), this, SLOT(close()));
+    disconnect(logger, &ProgressLoggerGui::aborted, getter, &HttpGet::abort);
+    disconnect(logger, &ProgressLoggerGui::aborted, this, &QWidget::close);
     themesInfo.open();
 
     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
@@ -299,7 +299,7 @@ void ThemesInstallWindow::show()
         logger->show();
         logger->addItem(tr("getting themes information ..."), LOGINFO);
 
-        connect(logger, SIGNAL(aborted()), this, SLOT(close()));
+        connect(logger, &ProgressLoggerGui::aborted, this, &QWidget::close);
 
         downloadInfo();
     }
@@ -372,12 +372,12 @@ void ThemesInstallWindow::install()
 
     if(!windowSelectOnly) {
         connect(logger, &ProgressLoggerGui::closed, this, &QWidget::close);
-        connect(installer, SIGNAL(done(bool)), logger, SLOT(setFinished()));
+        connect(installer, &ZipInstaller::done, logger, &ProgressLoggerGui::setFinished);
     }
-    connect(installer, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
+    connect(installer, &ZipInstaller::logItem, logger, &ProgressLoggerGui::addItem);
     connect(installer, &ZipInstaller::logProgress, logger, &ProgressLoggerGui::setProgress);
     connect(installer, SIGNAL(done(bool)), this, SIGNAL(done(bool)));
-    connect(logger, SIGNAL(aborted()), installer, SLOT(abort()));
+    connect(logger, &ProgressLoggerGui::aborted, installer, &ZipInstaller::abort);
     installer->install();
 }
 
diff --git a/utils/rbutilqt/uninstallwindow.cpp b/utils/rbutilqt/uninstallwindow.cpp
index bbce88ffc2..c0c9de4c89 100644
--- a/utils/rbutilqt/uninstallwindow.cpp
+++ b/utils/rbutilqt/uninstallwindow.cpp
@@ -31,9 +31,9 @@ UninstallWindow::UninstallWindow(QWidget *parent) : QDialog(parent)
 
     uninstaller = new Uninstaller(this,mountpoint);
     logger = new ProgressLoggerGui(this);
-    connect(uninstaller, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
+    connect(uninstaller, &Uninstaller::logItem, logger, &ProgressLoggerGui::addItem);
     connect(uninstaller, &Uninstaller::logProgress, logger, &ProgressLoggerGui::setProgress);
-    connect(uninstaller, SIGNAL(logFinished(void)), logger, SLOT(setFinished(void)));
+    connect(uninstaller, &Uninstaller::logFinished, logger, &ProgressLoggerGui::setFinished);
     connect(logger, &ProgressLoggerGui::closed, this, &QWidget::close);
 
     // disable smart uninstall, if not possible