diff --git a/src/calamares/CalamaresApplication.cpp b/src/calamares/CalamaresApplication.cpp
index 6389a2806..caba96f5d 100644
--- a/src/calamares/CalamaresApplication.cpp
+++ b/src/calamares/CalamaresApplication.cpp
@@ -356,7 +356,7 @@ CalamaresApplication::initViewSteps()
 {
     cDebug() << "STARTUP: loadModules for all modules done";
     m_mainwindow->show();
-    ProgressTreeModel* m = new ProgressTreeModel( this );
+    ProgressTreeModel* m = new ProgressTreeModel( nullptr );
     ProgressTreeView::instance()->setModel( m );
     cDebug() << "STARTUP: Window now visible and ProgressTreeView populated";
 }
diff --git a/src/calamares/progresstree/ProgressTreeView.cpp b/src/calamares/progresstree/ProgressTreeView.cpp
index 7fc44d146..6dd33b951 100644
--- a/src/calamares/progresstree/ProgressTreeView.cpp
+++ b/src/calamares/progresstree/ProgressTreeView.cpp
@@ -62,7 +62,6 @@ ProgressTreeView::ProgressTreeView( QWidget* parent )
 
 ProgressTreeView::~ProgressTreeView()
 {
-
 }