diff --git a/src/qt/bitcoin.h b/src/qt/bitcoin.h
--- a/src/qt/bitcoin.h
+++ b/src/qt/bitcoin.h
@@ -106,7 +106,7 @@
                              HTTPRPCRequestProcessor *httpRPCRequestProcessor);
     void requestedShutdown();
     void stopThread();
-    void splashFinished(QWidget *window);
+    void splashFinished();
     void windowShown(BitcoinGUI *window);
 
 private:
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -244,11 +244,11 @@
 void BitcoinApplication::createSplashScreen(const NetworkStyle *networkStyle) {
     SplashScreen *splash = new SplashScreen(m_node, networkStyle);
     // We don't hold a direct pointer to the splash screen after creation, but
-    // the splash screen will take care of deleting itself when slotFinish
+    // the splash screen will take care of deleting itself when finish()
     // happens.
     splash->show();
     connect(this, &BitcoinApplication::splashFinished, splash,
-            &SplashScreen::slotFinish);
+            &SplashScreen::finish);
     connect(this, &BitcoinApplication::requestedShutdown, splash,
             &QWidget::close);
 }
@@ -351,7 +351,7 @@
     returnValue = success ? EXIT_SUCCESS : EXIT_FAILURE;
     if (!success) {
         // Make sure splash screen doesn't stick around during shutdown.
-        Q_EMIT splashFinished(window);
+        Q_EMIT splashFinished();
         // Exit first main loop invocation.
         quit();
         return;
@@ -386,7 +386,7 @@
     } else {
         window->show();
     }
-    Q_EMIT splashFinished(window);
+    Q_EMIT splashFinished();
     Q_EMIT windowShown(window);
 
 #ifdef ENABLE_WALLET
diff --git a/src/qt/splashscreen.h b/src/qt/splashscreen.h
--- a/src/qt/splashscreen.h
+++ b/src/qt/splashscreen.h
@@ -5,8 +5,7 @@
 #ifndef BITCOIN_QT_SPLASHSCREEN_H
 #define BITCOIN_QT_SPLASHSCREEN_H
 
-#include <QSplashScreen>
-#include <functional>
+#include <QWidget>
 
 #include <memory>
 
@@ -37,8 +36,9 @@
     void closeEvent(QCloseEvent *event) override;
 
 public Q_SLOTS:
-    /** Slot to call finish() method as it's not defined as slot */
-    void slotFinish(QWidget *mainWin);
+    /** Hide the splash screen window and schedule the splash screen object for
+     * deletion */
+    void finish();
 
     /** Show message and progress */
     void showMessage(const QString &message, int alignment,
diff --git a/src/qt/splashscreen.cpp b/src/qt/splashscreen.cpp
--- a/src/qt/splashscreen.cpp
+++ b/src/qt/splashscreen.cpp
@@ -159,9 +159,7 @@
     return QObject::eventFilter(obj, ev);
 }
 
-void SplashScreen::slotFinish(QWidget *mainWin) {
-    Q_UNUSED(mainWin);
-
+void SplashScreen::finish() {
     /* If the window is minimized, hide() will be ignored. */
     /* Make sure we de-minimize the splashscreen window before hiding */
     if (isMinimized()) {