diff --git a/src/infosidebarpage.h b/src/infosidebarpage.h
index 62d0ac1cb5..a5de0a23b8 100644
--- a/src/infosidebarpage.h
+++ b/src/infosidebarpage.h
@@ -22,7 +22,7 @@
 
 #include <sidebarpage.h>
 
-#include <qpushbutton.h>
+#include <QtGui/QPushButton>
 #include <QPixmap>
 #include <QEvent>
 #include <QLabel>
diff --git a/src/pixmapviewer.cpp b/src/pixmapviewer.cpp
index 798771078e..81f9310530 100644
--- a/src/pixmapviewer.cpp
+++ b/src/pixmapviewer.cpp
@@ -22,7 +22,7 @@
 
 #include <kglobalsettings.h>
 #include <kiconloader.h>
-#include <qpainter.h>
+#include <QtGui/QPainter>
 //Added by qt3to4:
 #include <QPixmap>
 #include <QPaintEvent>
diff --git a/src/pixmapviewer.h b/src/pixmapviewer.h
index 40ff9e55f0..d49f89ac00 100644
--- a/src/pixmapviewer.h
+++ b/src/pixmapviewer.h
@@ -21,8 +21,8 @@
 #ifndef PIXMAPVIEWER_H
 #define PIXMAPVIEWER_H
 
-#include <qwidget.h>
-#include <qpixmap.h>
+#include <QtGui/QWidget>
+#include <QtGui/QPixmap>
 //Added by qt3to4:
 #include <QPaintEvent>
 
diff --git a/src/settingspagebase.h b/src/settingspagebase.h
index d3fa29ad98..d8626feb3b 100644
--- a/src/settingspagebase.h
+++ b/src/settingspagebase.h
@@ -21,7 +21,7 @@
 #ifndef SETTINGSPAGEBASE_H
 #define SETTINGSPAGEBASE_H
 
-#include <qwidget.h>
+#include <QtGui/QWidget>
 
 /**
  * @brief Base class for the settings pages of the Dolphin settings dialog.
diff --git a/src/statusbarspaceinfo.h b/src/statusbarspaceinfo.h
index 0b69244663..32ef447cc9 100644
--- a/src/statusbarspaceinfo.h
+++ b/src/statusbarspaceinfo.h
@@ -21,7 +21,7 @@
 #define STATUSBARSPACEINFO_H
 
 #include <kurl.h>
-#include <qcolor.h>
+#include <QtGui/QColor>
 
 #include <QPaintEvent>
 #include <QWidget>
diff --git a/src/viewproperties.cpp b/src/viewproperties.cpp
index ab5e0634e2..eed6badc88 100644
--- a/src/viewproperties.cpp
+++ b/src/viewproperties.cpp
@@ -28,7 +28,6 @@
 #include <klocale.h>
 #include <kstandarddirs.h>
 #include <kurl.h>
-#include <kcomponentdata.h>
 
 #include "viewproperties.h"
 #include "dolphinsettings.h"
diff --git a/src/viewproperties.h b/src/viewproperties.h
index 74ff72cb17..74f15580b1 100644
--- a/src/viewproperties.h
+++ b/src/viewproperties.h
@@ -24,7 +24,7 @@
 #include <dolphinview.h>
 #include <kfileitemdelegate.h>
 #include <kurl.h>
-#include <qdatetime.h>
+#include <QtCore/QDate>
 #include <libdolphin_export.h>
 #include "dolphin_directoryviewpropertysettings.h"
 
diff --git a/src/viewsettingspage.h b/src/viewsettingspage.h
index 012842dc20..da80f26feb 100644
--- a/src/viewsettingspage.h
+++ b/src/viewsettingspage.h
@@ -20,7 +20,7 @@
 #ifndef VIEWSETTINGSPAGE_H
 #define VIEWSETTINGSPAGE_H
 
-#include <qwidget.h>
+#include <QtGui/QWidget>
 #include <settingspagebase.h>
 
 class ColumnViewSettingsPage;