diff --git a/mainwidget.cpp b/mainwidget.cpp
index ec8a1f9..ed91490 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -384,8 +384,7 @@ void TeletextWidget::setCharacter(unsigned char newCharacter)
 
 void TeletextWidget::toggleCharacterBit(unsigned char bitToToggle)
 {
-	QUndoCommand *toggleMosaicBitCommand = new ToggleMosaicBitCommand(m_teletextDocument, bitToToggle);
-	m_teletextDocument->undoStack()->push(toggleMosaicBitCommand);
+	m_teletextDocument->undoStack()->push(new ToggleMosaicBitCommand(m_teletextDocument, bitToToggle));
 }
 
 QPair<int, int> TeletextWidget::mouseToRowAndColumn(const QPoint &mousePosition)
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4fa0991..83f816a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -577,20 +577,17 @@ void MainWindow::insertRow(bool copyRow)
 {
 	if (m_textWidget->document()->cursorRow() == 24)
 		return;
-	QUndoCommand *insertRowCommand = new InsertRowCommand(m_textWidget->document(), copyRow);
-	m_textWidget->document()->undoStack()->push(insertRowCommand);
+	m_textWidget->document()->undoStack()->push(new InsertRowCommand(m_textWidget->document(), copyRow));
 }
 
 void MainWindow::deleteRow()
 {
-	QUndoCommand *deleteRowCommand = new DeleteRowCommand(m_textWidget->document());
-	m_textWidget->document()->undoStack()->push(deleteRowCommand);
+	m_textWidget->document()->undoStack()->push(new DeleteRowCommand(m_textWidget->document()));
 }
 
 void MainWindow::insertSubPage(bool afterCurrentSubPage, bool copyCurrentSubPage)
 {
-	QUndoCommand *insertSubPageCommand = new InsertSubPageCommand(m_textWidget->document(), afterCurrentSubPage, copyCurrentSubPage);
-	m_textWidget->document()->undoStack()->push(insertSubPageCommand);
+	m_textWidget->document()->undoStack()->push(new InsertSubPageCommand(m_textWidget->document(), afterCurrentSubPage, copyCurrentSubPage));
 }
 
 void MainWindow::deleteSubPage()
diff --git a/palettedockwidget.cpp b/palettedockwidget.cpp
index 99180eb..543fa41 100644
--- a/palettedockwidget.cpp
+++ b/palettedockwidget.cpp
@@ -108,14 +108,11 @@ void PaletteDockWidget::selectColour(int colourIndex)
 {
     const QColor newColour = QColorDialog::getColor(m_parentMainWidget->document()->currentSubPage()->CLUTtoQColor(colourIndex), this, "Select Colour");
 
-	if (newColour.isValid()) {
-		QUndoCommand *setColourCommand = new SetColourCommand(m_parentMainWidget->document(), colourIndex, ((newColour.red() & 0xf0) << 4) | (newColour.green() & 0xf0) | ((newColour.blue() & 0xf0) >> 4));
-		m_parentMainWidget->document()->undoStack()->push(setColourCommand);
-	}
+	if (newColour.isValid())
+		m_parentMainWidget->document()->undoStack()->push(new SetColourCommand(m_parentMainWidget->document(), colourIndex, ((newColour.red() & 0xf0) << 4) | (newColour.green() & 0xf0) | ((newColour.blue() & 0xf0) >> 4)));
 }
 
 void PaletteDockWidget::resetCLUT(int colourTable)
 {
-	QUndoCommand *resetCLUTCommand = new ResetCLUTCommand(m_parentMainWidget->document(), colourTable);
-	m_parentMainWidget->document()->undoStack()->push(resetCLUTCommand);
+	m_parentMainWidget->document()->undoStack()->push(new ResetCLUTCommand(m_parentMainWidget->document(), colourTable));
 }