diff --git a/messageviewer/autotests/viewergrantleethemesupporttest.cpp b/messageviewer/autotests/viewergrantleethemesupporttest.cpp
index 14fc0649..2e13c2d2 100644
--- a/messageviewer/autotests/viewergrantleethemesupporttest.cpp
+++ b/messageviewer/autotests/viewergrantleethemesupporttest.cpp
@@ -1,54 +1,56 @@
 /*
   Copyright (C) 2017-2019 Montel Laurent <montel@kde.org>
 
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License, version 2, as
   published by the Free Software Foundation.
 
   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.
 
   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 #include "viewergrantleethemesupporttest.h"
 #include "messageviewer/viewer.h"
 
 #include <KActionCollection>
 #include <QStandardPaths>
 #include <KConfigGroup>
 #include <KSharedConfig>
 #include <QTest>
 
 ViewerGrantleeThemeSupportTest::ViewerGrantleeThemeSupportTest(QObject *parent)
     : QObject(parent)
 {
 }
 
 ViewerGrantleeThemeSupportTest::~ViewerGrantleeThemeSupportTest()
 {
 }
 
 void ViewerGrantleeThemeSupportTest::initTestCase()
 {
     QStandardPaths::setTestModeEnabled(true);
 
     // Point the test to our dummy icon theme
     KConfigGroup cg(KSharedConfig::openConfig(), "Icons");
     cg.writeEntry("Theme", "dummyTheme");
     qputenv("XDG_DATA_DIRS", GRANTLEETHEME_DATA_DIR);
 }
 
 void ViewerGrantleeThemeSupportTest::shouldUpdateThemeMenu()
 {
     MessageViewer::Viewer *viewer = new MessageViewer::Viewer(nullptr, nullptr, new KActionCollection(
                                                                   this));
     viewer->show();
     QVERIFY(QTest::qWaitForWindowExposed(viewer));
+
+    delete viewer;
 }
 
 QTEST_MAIN(ViewerGrantleeThemeSupportTest)