diff --git a/src/bookwidget.cpp b/src/bookwidget.cpp
index e62652e..c5b462b 100644
--- a/src/bookwidget.cpp
+++ b/src/bookwidget.cpp
@@ -366,9 +366,9 @@ void BookWidget::loadLine()
 	//setup and show
 	firstPage();
 	//clean up
-	m_progressDlg.reset(0);
-	m_stream.reset(0);
-	m_textLines.reset(0);
+	m_progressDlg.reset();
+	m_stream.reset();
+	m_textLines.reset();
 	m_file.close();
 	m_modified = true;
 	emit loadingFinished();
@@ -379,14 +379,14 @@ void BookWidget::cancelLoading()
 	m_timer.stop();
 	if (parentWidget())
 		parentWidget()->setCaption("");
- 	//clean up
- 	m_progressDlg->hide();
- 	m_stream.reset(0);
- 	m_textLines.reset(0);
- 	m_file.close();
- 	//setup and show
- 	m_renderer->clear();
- 	firstPage();
+	//clean up
+	m_progressDlg->hide();
+	m_stream.reset();
+	m_textLines.reset();
+	m_file.close();
+	//setup and show
+	m_renderer->clear();
+	firstPage();
 }
 
 void BookWidget::setParaOffset(int offset)
diff --git a/src/bookwidget.h b/src/bookwidget.h
index d2a41dc..2e4cb74 100644
--- a/src/bookwidget.h
+++ b/src/bookwidget.h
@@ -116,10 +116,10 @@ private:
 	TQTimer m_timer;
 	TQStringList m_encodings;
 	int m_encoding;
-	std::auto_ptr<Renderer> m_renderer;
-	std::auto_ptr<TQTextStream> m_stream;
-	std::auto_ptr<TQStringList> m_textLines;
-	std::auto_ptr<KProgressDialog> m_progressDlg;
+	std::unique_ptr<Renderer> m_renderer;
+	std::unique_ptr<TQTextStream> m_stream;
+	std::unique_ptr<TQStringList> m_textLines;
+	std::unique_ptr<KProgressDialog> m_progressDlg;
 	Bookmarks m_bookmarks;
 };
 
diff --git a/src/renderer.h b/src/renderer.h
index d2769b2..49fa0f3 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -128,7 +128,7 @@ private:
 	int m_linesPerPage;
 	int m_paraOffset;
 	TQFont m_font;
-	std::auto_ptr<TQFontMetrics> m_fontMetrics;
+	std::unique_ptr<TQFontMetrics> m_fontMetrics;
 	TQSize m_pageSize;
 	bool m_isStartAdded;
 	TIndex m_curParagraph;