diff --git a/subsurface-desktop-main.cpp b/subsurface-desktop-main.cpp
index 60bf81c74..981a62a04 100644
--- a/subsurface-desktop-main.cpp
+++ b/subsurface-desktop-main.cpp
@@ -43,7 +43,7 @@ int main(int argc, char **argv)
 	int i;
 	bool no_filenames = true;
 	QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
-	new QApplication(argc, argv);
+	std::unique_ptr<QApplication> app(new QApplication(argc, argv));
 	QStringList files;
 	QStringList importedFiles;
 	QStringList arguments = QCoreApplication::arguments();
diff --git a/subsurface-helper.cpp b/subsurface-helper.cpp
index c389e2099..9ce1a615a 100644
--- a/subsurface-helper.cpp
+++ b/subsurface-helper.cpp
@@ -56,7 +56,6 @@ void exit_ui()
 #ifndef SUBSURFACE_MOBILE
 	delete MainWindow::instance();
 #endif // SUBSURFACE_MOBILE
-	delete qApp;
 	free((void *)existing_filename);
 }
 
diff --git a/subsurface-mobile-main.cpp b/subsurface-mobile-main.cpp
index 64c941fc7..b75c63406 100644
--- a/subsurface-mobile-main.cpp
+++ b/subsurface-mobile-main.cpp
@@ -53,7 +53,6 @@ void log_stp(const char *ident, QString *buf)
 }
 #endif // ENABLE_STARTUP_TIMING
 
-
 int main(int argc, char **argv)
 {
 	LOG_STP("main starting");
@@ -63,7 +62,7 @@ int main(int argc, char **argv)
 	QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
 
 	// Start application
-	new QApplication(argc, argv);
+	std::unique_ptr<QApplication> app(new QApplication(argc, argv));
 	LOG_STP("main Qt started");
 
 	// and get comand line arguments