diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index bac7fd3..119dc28 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -36,8 +36,12 @@ MainWindow::MainWindow()
     connect(ui_.paidButton, &QPushButton::clicked, this, &MainWindow::onPaidButtonTriggered);
     connect(ui_.basketView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
             &MainWindow::onBasketViewSelectionChanged);
+    connect(ui_.salesView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
+            &MainWindow::onSalesViewSelectionChanged);
     connect(ui_.cancelArticleButton, &QPushButton::clicked, this,
             &MainWindow::onCancelArticleButtonClicked);
+    connect(ui_.cancelSaleButton, &QPushButton::clicked, this,
+            &MainWindow::onCancelSaleButtonClicked);
     connect(ui_.cancelAllArticlesButton, &QPushButton::clicked, this,
             &MainWindow::onCancelAllArticlesButtonClicked);
     connect(static_cast<BasketModel*>(ui_.basketView->model()), &BasketModel::basketDataChanged,
@@ -128,6 +132,16 @@ void MainWindow::onBasketViewSelectionChanged(const QItemSelection& selected,
     }
 }
 
+void MainWindow::onSalesViewSelectionChanged(const QItemSelection& selected,
+                                             [[maybe_unused]] const QItemSelection& deselected)
+{
+    if (selected.size() > 0) {
+        ui_.cancelSaleButton->setEnabled(true);
+    } else {
+        ui_.cancelSaleButton->setEnabled(false);
+    }
+}
+
 void MainWindow::onCancelArticleButtonClicked([[maybe_unused]] bool checked)
 {
     auto selModel = ui_.basketView->selectionModel();
@@ -151,6 +165,29 @@ void MainWindow::onCancelArticleButtonClicked([[maybe_unused]] bool checked)
     }
 }
 
+void MainWindow::onCancelSaleButtonClicked([[maybe_unused]] bool checked)
+{
+    auto selModel = ui_.salesView->selectionModel();
+    if (selModel->hasSelection() == false)
+        return;
+
+    auto dlgResult =
+        QMessageBox(QMessageBox::Icon::Warning, "Sind Sie sicher?",
+                    "Möchten Sie wirklich stornieren?",
+                    QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No, this)
+            .exec();
+    if (dlgResult == QMessageBox::No)
+        return;
+
+    auto indexes = selModel->selectedRows();
+    std::sort(indexes.begin(), indexes.end());
+
+    // Deleting the rows, beginning with the last one!
+    for (auto iter = indexes.constEnd() - 1; iter >= indexes.constBegin(); --iter) {
+        ui_.salesView->model()->removeRow(iter->row());
+    }
+}
+
 void MainWindow::onCancelAllArticlesButtonClicked([[maybe_unused]] bool checked)
 {
     if (ui_.basketView->model()->rowCount() == 0)
diff --git a/src/gui/mainwindow.h b/src/gui/mainwindow.h
index 4174968..7589fc5 100644
--- a/src/gui/mainwindow.h
+++ b/src/gui/mainwindow.h
@@ -20,7 +20,10 @@ class MainWindow : public QMainWindow
   private slots:
     void onBasketViewSelectionChanged(const QItemSelection& selected,
                                       const QItemSelection& deselected);
+    void onSalesViewSelectionChanged(const QItemSelection& selected,
+                                     const QItemSelection& deselected);
     void onCancelArticleButtonClicked(bool checked);
+    void onCancelSaleButtonClicked(bool checked);
     void onCancelAllArticlesButtonClicked(bool checked);
 
   private:
diff --git a/src/gui/mainwindow.ui b/src/gui/mainwindow.ui
index b687f4f..59091b2 100644
--- a/src/gui/mainwindow.ui
+++ b/src/gui/mainwindow.ui
@@ -234,7 +234,7 @@
           <item>
            <layout class="QVBoxLayout" name="verticalLayout_2">
             <item>
-             <widget class="QPushButton" name="pushButton">
+             <widget class="QPushButton" name="cancelSaleButton">
               <property name="enabled">
                <bool>false</bool>
               </property>