diff --git a/samples/blackgui/stylesheetinfo.qss b/samples/blackgui/stylesheetinfo.qss
deleted file mode 100644
index 4baa689f7..000000000
--- a/samples/blackgui/stylesheetinfo.qss
+++ /dev/null
@@ -1,23 +0,0 @@
-QWidget {
-        font-family: arial-rounded;
-        font: bold 10px;
-        color: black; /** font **/
-}
-
-QPushButton {
-        background-color: rgba(255, 255, 0, 175);
-        border-style: solid;
-        border-width:1px;
-        border-radius:0px;
-        border-color: green;
-        max-height:20px;
-}
-
-QTextEdit {
-        background-color: rgba(255, 255, 0, 175);
-        border-style: solid;
-        border-width:1px;
-        border-radius:6px;
-        border-color: green;
-        opacity: 0.5;
-}
diff --git a/samples/blackgui/stylesheetintro.qss b/samples/blackgui/stylesheetintro.qss
deleted file mode 100644
index 4baa689f7..000000000
--- a/samples/blackgui/stylesheetintro.qss
+++ /dev/null
@@ -1,23 +0,0 @@
-QWidget {
-        font-family: arial-rounded;
-        font: bold 10px;
-        color: black; /** font **/
-}
-
-QPushButton {
-        background-color: rgba(255, 255, 0, 175);
-        border-style: solid;
-        border-width:1px;
-        border-radius:0px;
-        border-color: green;
-        max-height:20px;
-}
-
-QTextEdit {
-        background-color: rgba(255, 255, 0, 175);
-        border-style: solid;
-        border-width:1px;
-        border-radius:6px;
-        border-color: green;
-        opacity: 0.5;
-}
diff --git a/samples/blackgui/stylesheetmain.qss b/samples/blackgui/stylesheetmain.qss
deleted file mode 100644
index 883a22d18..000000000
--- a/samples/blackgui/stylesheetmain.qss
+++ /dev/null
@@ -1,337 +0,0 @@
-/** http://qt-project.org/doc/qt-4.8/stylesheet-examples.html **/
-
-QWidget {
-    background-color: black;
-    font: bold 10px;
-    color: white; /** font **/
-}
-
-QProgressBar {
-    border: 1px solid green;
-    border-radius: 5px;
-    text-align: center;
-    padding: 0px;
-    height: 16px;
-}
-
-QProgressBar::chunk {
-    background-color: darkblue;
-    width: 10px;
-    margin: 0.5px;
-}
-
-#wi_CentralWidgetOutside {
-    /** there is no opacity with background image, so we need semitransparent images **/
-    /** background-image: url(:/blackgui/icons/titaniumtexture.jpg) **/
-    /** border: 2px solid green; **/
-    /**  border-radius: 20px; **/
-    background-color: darkslategray;
-    margin: 0px;
-    padding: 5px;
-}
-
-#fr_CentralFrameInside {
-    background-color: darkslategray;
-    margin: 5px;
-}
-
-#wi_MainKeypadArea {
-    background-color: darkslategray;
-}
-
-#gb_AtcStationsOnlineInfo {
-    border-style: none;
-}
-
-#sw_MainMiddle {
-    padding: 3px;
-    border: 0px;
-    border-radius: 10px;
-}
-
-#sw_MainMiddle QPushButton {
-    font-family: arial-rounded;
-    background-color: rgba(0, 0, 255, 128);
-    border-style: none;
-    border-radius:3px;
-    color: yellow;
-    padding: 3px;
-}
-
-/* No style for Dial
-#sw_MainMiddel QDial {
-    background-color: rgba(0, 0, 255, 128);
-}
-*/
-
-#wi_MainKeypadArea QPushButton {
-    font-family: arial-rounded;
-    background-color: black;
-    border-style: solid;
-    border-width:1px;
-    border-radius:6px;
-    border-color: green;
-    max-height:20px;
-    min-width:60px;
-    min-height:20px;
-}
-
-#wi_MainKeypadAreaWindow {
-    background-color: darkslategray;
-}
-
-#le_CommandLineInput {
-    margin-bottom: 5px;
-    padding: 3px;
-    border-radius: 5px;
-}
-
-QTabWidget::pane { /* The tab widget frame */
-    border: none;
-}
-
-QTabWidget::tab-bar  {
-    left: 5px; /* move to the right by 5px */
-}
-
-QTabBar::tab {
-    border: 1px solid green;
-    border-top-left-radius: 6px;
-    border-top-right-radius: 6px;
-    min-width: 30px;
-    padding: 2px;
-    padding-left: 4px;
-    padding-right: 4px;
-    margin-right: 3px;
-}
-
-QTabBar::tab::selected {
-    background-color: rgba(0, 0, 255, 128);
-}
-
-QLabel {
-    background: transparent;
-}
-
-QLineEdit {
-    background: black;
-    border: 1px solid green;
-    border-radius: 5px;
-}
-
-QLineEdit[readOnly="true"] {
-    background: black;
-}
-
-QCheckBox {
-    color: white; /** font **/
-    border: 0px solid green;
-    background: transparent;
-}
-
-QTextEdit {
-    border: 1px solid green;
-    background: transparent;
-    border-radius: 5px;
-}
-
-QPlainTextEdit {
-    border: 1px solid green;
-    background: transparent;
-    border-radius: 5px;
-}
-
-QGroupBox {
-    border: 1px solid green;
-}
-
-QGroupBox::title {
-    subcontrol-origin: margin;
-    subcontrol-position: top center; /* position at the top center */
-    padding: 0 3px;
-}
-
-QToolBox {
-    border: none;
-}
-
-QToolBox::tab {
-    border: 1px solid green;
-    border-radius: 6px;
-    min-width: 30px;
-    padding: 2px;
-    padding-left: 4px;
-    padding-right: 4px;
-}
-
-QToolBox::tab::selected {
-    background-color: rgba(0, 0, 255, 128);
-}
-
-QRadioButton {
-    font: 10px;
-}
-
-QComboBox {
-    border: 1px solid green;
-    border-radius: 5px;
-    padding: 1px;
-    background: transparent;
-}
-
-QDoubleSpinBox  {
-    border: 1px solid green;
-    border-radius: 5px;
-    padding: 1px;
-    background: transparent;
-}
-
-QMenuBar {
-    background: darkslategray;
-}
-
-QMenu {
-    background: black;
-    margin: 2px; /* some spacing around the menu */
-}
-
-QMenu::item {
-    padding: 2px 25px 1px 20px;
-    border: 2px solid darkslategray; /* reserve space for selection border */
-    background: black;
-}
-
-QMenu::item:selected {
-    border-color: darkblue;
-    background: black;
-}
-
-QMenu::indicator {
-    background-color: black;
-}
-
-QMenuBar {
-    background-color: darkslategray;
-}
-
-QMenuBar::item {
-    spacing: 3px; /* spacing between menu bar items */
-    padding: 1px 4px;
-    background: transparent;
-    border-radius: 4px;
-}
-
-QMenuBar::item:selected { /* when selected using mouse or keyboard */
-    background: black;
-}
-
-QMenuBar::item:pressed {
-    background: black;
-}
-
-QScrollBar:horizontal {
-    border: 2px solid gray;
-    background: slategray;
-    height: 10px;
-    margin: 0px 5px 0 5px;
-}
-
-QScrollBar:vertical {
-    border: 2px solid gray;
-    background: slategray;
-    width: 10px;
-    margin: 5px 0 5px 0;
-}
-
-QScrollBar::handle:horizontal {
-    background: black;
-    min-width: 15px;
-}
-
-QScrollBar::handle:vertical {
-    background: black;
-    min-height: 15px;
-}
-
-QScrollBar::add-line:horizontal {
-    border: 2px solid gray;
-    background: blue;
-    width: 5px;
-    subcontrol-position: right;
-    subcontrol-origin: margin;
-}
-
-QScrollBar::sub-line:horizontal {
-    border: 2px solid gray;
-    background: blue;
-    width: 5px;
-    subcontrol-position: left;
-    subcontrol-origin: margin;
-}
-
-QScrollBar::add-line:vertical {
-    border: 2px solid gray;
-    background: blue;
-    height: 5px;
-    subcontrol-position: bottom;
-    subcontrol-origin: margin;
-}
-
-QScrollBar::sub-line:vertical {
-    border: 2px solid gray;
-    background: blue;
-    height: 5px;
-    subcontrol-position: top;
-    subcontrol-origin: margin;
-}
-
-QHeaderView::section {
-    border: 1px solid blue;
-    background-color: darkslategray;
-    padding: 1px;
-    margin: 0px;
-}
-
-QTableView {
-    border: 1px solid green;
-    border-radius: 5px;
-    background-color: black;
-    alternate-background-color: darkslategray;
-    selection-background-color: blue;
-    margin-left: 2px;
-    margin-top: 0;
-    margin-bottom: 0;
-    padding:0;
-}
-
-QSlider::groove:horizontal {
-    border: 1px solid gray;
-    height: 4px; /* the groove expands to the size of the slider by default. by giving it a height, it has a fixed size */
-    background: darkslategray;
-}
-
-QSlider::handle:horizontal {
-    background: lightgray;
-    border: 1px solid darkslategra;
-    width: 18px;
-    margin: -2px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */
-    border-radius: 3px;
-}
-
-QSizeGrip {
-    image: url(:/blackgui/icons/resize.png);
-    width: 16px;
-    height: 16px;
-}
-
-QStatusBar {
-    background: darkslategray;
-}
-
-QStatusBar::item {
-    border: none;
-}
-
-QStatusBar QLabel {
-    border: none;
-}