diff --git a/src/gui/MainWindow.ui.bak b/src/gui/MainWindow.ui.bak
deleted file mode 100644
index dc52e9b..0000000
--- a/src/gui/MainWindow.ui.bak
+++ /dev/null
@@ -1,408 +0,0 @@
-<ui version="4.0" >
- <class>MainWindow</class>
- <widget class="QMainWindow" name="MainWindow" >
-  <property name="geometry" >
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>384</width>
-    <height>197</height>
-   </rect>
-  </property>
-  <property name="windowTitle" >
-   <string>Mancala</string>
-  </property>
-  <widget class="QWidget" name="centralwidget" >
-   <layout class="QGridLayout" >
-    <item row="0" column="0" >
-     <layout class="QVBoxLayout" >
-      <item>
-       <layout class="QGridLayout" >
-        <item row="0" column="0" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <spacer>
-            <property name="orientation" >
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" >
-             <size>
-              <width>61</width>
-              <height>28</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-          <item>
-           <widget class="QLabel" name="player2" >
-            <property name="text" >
-             <string>Player 2</string>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item row="0" column="1" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <widget class="Hole" name="house12" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house11" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house10" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house9" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house8" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house7" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item row="0" column="2" >
-         <spacer>
-          <property name="orientation" >
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" >
-           <size>
-            <width>40</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
-        <item row="1" column="0" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <spacer>
-            <property name="orientation" >
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" >
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-          <item>
-           <widget class="Hole" name="storage2" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item row="1" column="1" >
-         <spacer>
-          <property name="orientation" >
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" >
-           <size>
-            <width>40</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
-        <item row="1" column="2" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <widget class="Hole" name="storage1" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer>
-            <property name="orientation" >
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" >
-             <size>
-              <width>40</width>
-              <height>20</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
-        </item>
-        <item row="2" column="0" >
-         <spacer>
-          <property name="orientation" >
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" >
-           <size>
-            <width>40</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
-        <item row="2" column="1" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <widget class="Hole" name="house1" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house2" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house3" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house4" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house5" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Hole" name="house6" >
-            <property name="frameShape" >
-             <enum>QFrame::StyledPanel</enum>
-            </property>
-            <property name="text" >
-             <string>0</string>
-            </property>
-            <property name="alignment" >
-             <set>Qt::AlignCenter</set>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item row="2" column="2" >
-         <layout class="QHBoxLayout" >
-          <item>
-           <widget class="QLabel" name="player1" >
-            <property name="text" >
-             <string>Player 1</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer>
-            <property name="orientation" >
-             <enum>Qt::Horizontal</enum>
-            </property>
-            <property name="sizeHint" >
-             <size>
-              <width>61</width>
-              <height>28</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
-        </item>
-       </layout>
-      </item>
-      <item>
-       <layout class="QHBoxLayout" >
-        <item>
-         <spacer>
-          <property name="orientation" >
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" >
-           <size>
-            <width>40</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
-        <item>
-         <widget class="QLabel" name="status" >
-          <property name="text" >
-           <string>status</string>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <spacer>
-          <property name="orientation" >
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" >
-           <size>
-            <width>40</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
-       </layout>
-      </item>
-     </layout>
-    </item>
-   </layout>
-  </widget>
-  <widget class="QMenuBar" name="menubar" >
-   <property name="geometry" >
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>384</width>
-     <height>29</height>
-    </rect>
-   </property>
-   <widget class="QMenu" name="menuFile" >
-    <property name="title" >
-     <string>File</string>
-    </property>
-    <addaction name="actionNew_game" />
-   </widget>
-   <addaction name="menuFile" />
-  </widget>
-  <widget class="QStatusBar" name="statusbar" />
-  <action name="actionNew_game" >
-   <property name="text" >
-    <string>New game</string>
-   </property>
-  </action>
- </widget>
- <customwidgets>
-  <customwidget>
-   <class>Hole</class>
-   <extends>QLabel</extends>
-   <header>hole.h</header>
-  </customwidget>
- </customwidgets>
- <resources/>
- <connections/>
-</ui>