diff --git a/src/qt/bitcoin.h b/src/qt/bitcoin.h
--- a/src/qt/bitcoin.h
+++ b/src/qt/bitcoin.h
@@ -105,7 +105,6 @@
     void requestedInitialize(Config *config, RPCServer *rpcServer,
                              HTTPRPCRequestProcessor *httpRPCRequestProcessor);
     void requestedShutdown();
-    void stopThread();
     void splashFinished();
     void windowShown(BitcoinGUI *window);
 
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -202,7 +202,7 @@
 BitcoinApplication::~BitcoinApplication() {
     if (coreThread) {
         qDebug() << __func__ << ": Stopping thread";
-        Q_EMIT stopThread();
+        coreThread->quit();
         coreThread->wait();
         qDebug() << __func__ << ": Stopped thread";
     }
@@ -292,9 +292,7 @@
     connect(this, &BitcoinApplication::requestedShutdown, executor,
             &BitcoinABC::shutdown);
     /*  make sure executor object is deleted in its own thread */
-    connect(this, &BitcoinApplication::stopThread, executor,
-            &QObject::deleteLater);
-    connect(this, &BitcoinApplication::stopThread, coreThread, &QThread::quit);
+    connect(coreThread, &QThread::finished, executor, &QObject::deleteLater);
 
     coreThread->start();
 }
diff --git a/src/qt/intro.h b/src/qt/intro.h
--- a/src/qt/intro.h
+++ b/src/qt/intro.h
@@ -56,7 +56,6 @@
 
 Q_SIGNALS:
     void requestCheck();
-    void stopThread();
 
 public Q_SLOTS:
     void setStatus(int status, const QString &message, quint64 bytesAvailable);
diff --git a/src/qt/intro.cpp b/src/qt/intro.cpp
--- a/src/qt/intro.cpp
+++ b/src/qt/intro.cpp
@@ -151,7 +151,7 @@
 Intro::~Intro() {
     delete ui;
     /* Ensure thread is finished before it is deleted */
-    Q_EMIT stopThread();
+    thread->quit();
     thread->wait();
 }
 
@@ -313,8 +313,7 @@
     connect(executor, &FreespaceChecker::reply, this, &Intro::setStatus);
     connect(this, &Intro::requestCheck, executor, &FreespaceChecker::check);
     /*  make sure executor object is deleted in its own thread */
-    connect(this, &Intro::stopThread, executor, &QObject::deleteLater);
-    connect(this, &Intro::stopThread, thread, &QThread::quit);
+    connect(thread, &QThread::finished, executor, &QObject::deleteLater);
 
     thread->start();
 }