diff --git a/src/gui/tbgpixmap.cpp b/src/gui/tbgpixmap.cpp
index 9b64c4df972c004d9643c1ac66cb09784763d53b..c76e9ec58fb9eed9cc4fa511113324216bad4ee7 100644
--- a/src/gui/tbgpixmap.cpp
+++ b/src/gui/tbgpixmap.cpp
@@ -36,6 +36,13 @@ TbgPixmap::TbgPixmap() :
   m_instance = this;
 }
 
+
+TbgPixmap::~TbgPixmap()
+{
+  m_instance = 0;
+}
+
+
 void TbgPixmap::update(const QSize& windowSize, int instr, int guitarHeight, int XIIfretXpos, int fingerboardX, bool rightHanded) {
   if (windowSize != m_windowSize || instr != m_instr || m_rightHanded != rightHanded) {
     Einstrument in = static_cast<Einstrument>(instr);
diff --git a/src/gui/tbgpixmap.h b/src/gui/tbgpixmap.h
index 33ec66521d966eca52dd037c0fbae46aef7100d0..03182e3a55da81f0615ed1ea716777760c2c2bd4 100644
--- a/src/gui/tbgpixmap.h
+++ b/src/gui/tbgpixmap.h
@@ -37,6 +37,7 @@ class TbgPixmap : public QPixmap
 public:
 
   TbgPixmap();
+  ~TbgPixmap();
 
   static TbgPixmap* instance() { return m_instance; }
 
diff --git a/src/score/tmainscore.cpp b/src/score/tmainscore.cpp
index d2760c550c7fff04e96dba18e2db1d04023d1455..ba0464a5a429a6b3f6c30a7239df5bf9bf453d00 100644
--- a/src/score/tmainscore.cpp
+++ b/src/score/tmainscore.cpp
@@ -85,8 +85,7 @@ TmainScore::TmainScore(QMainWindow* mw, QWidget* parent) :
 	createNoteName();
 	isExamExecuting(false);
   setNote(0, Tnote()); // To display fake empty note properly
-//   setStyleSheet(QString());
-//   setStyleSheet(QLatin1String("border-radius: 10px;")); // reset style sheet - we are using paint event here
+  viewport()->setStyleSheet(QStringLiteral("border-radius: 10px;"));
 
   setBGcolor(palette().base().color());
 }
@@ -643,7 +642,6 @@ void TmainScore::paintEvent(QPaintEvent* event) {
   if (!BG_PIX->isNull() && event->rect().bottomRight().x() >= BG_PIX->globalPos().x()) {
       painter.drawPixmap(BG_PIX->globalPos().x() , BG_PIX->globalPos().y() - y(), *BG_PIX);
   }
-
   painter.setBrush(m_bgColor);
   painter.setPen(Qt::NoPen);
   if (event->rect().x() <= ROUNDNESS || painter.viewport().width() - (event->rect().x() + event->rect().width()) <= ROUNDNESS)
@@ -890,9 +888,6 @@ void TmainScore::resizeEvent(QResizeEvent* event) {
       return;
 	setBarsIconSize();
 	performScordatureSet(); // To keep scordature size up to date with score size
-//   setBgPixmapPos(m_bgPixPos);
-//   QPointF zero = mapToScene(QPoint(0, 0));
-//   m_bgItem->setRect(zero.x(), zero.y(), width(), height());
 }
 
 
diff --git a/src/score/tmultiscore.cpp b/src/score/tmultiscore.cpp
index 9852a8a6ee45f22f1a738e9c48e2831959928ed2..7c30385d0339c87bdc1d9a7a1dfce2b271af3b9c 100644
--- a/src/score/tmultiscore.cpp
+++ b/src/score/tmultiscore.cpp
@@ -43,7 +43,6 @@ TmultiScore::TmultiScore(QMainWindow* mw, QWidget* parent) :
 	m_selectReadOnly(false), m_isDisabled(false)
 {
 	setObjectName("m_mainScore");
-	setStyleSheet("TsimpleScore#m_mainScore { background: transparent }");
 	setContentsMargins(2, 2, 2, 2);
 	setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
 	staff()->setZValue(11); // to be above next staves - TnoteControl requires it