diff --git a/kcmkwin/kwindecoration/decorationmodel.cpp b/kcmkwin/kwindecoration/decorationmodel.cpp
index f8bce1fbaa..acbd7f2493 100644
--- a/kcmkwin/kwindecoration/decorationmodel.cpp
+++ b/kcmkwin/kwindecoration/decorationmodel.cpp
@@ -25,9 +25,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QDir>
 #include <QFileInfo>
 #include <QApplication>
-#include <QtGui/QPainter>
-#include <QStyle>
-#include <QtGui/QTextDocument>
 #include <QStandardPaths>
 // KDE
 #include <KConfigGroup>
diff --git a/kcmkwin/kwindecoration/kwindecoration.cpp b/kcmkwin/kwindecoration/kwindecoration.cpp
index 42f07f201f..2c8def82fa 100644
--- a/kcmkwin/kwindecoration/kwindecoration.cpp
+++ b/kcmkwin/kwindecoration/kwindecoration.cpp
@@ -35,10 +35,8 @@
 #include "auroraetheme.h"
 #include "preview.h"
 // Qt
-#include <QTimer>
 #include <QtDBus/QtDBus>
 #include <QSortFilterProxyModel>
-#include <QGraphicsObject>
 #include <QScrollBar>
 #include <QUiLoader>
 #include <QtCore/QStandardPaths>
diff --git a/kcmkwin/kwindecoration/preview.cpp b/kcmkwin/kwindecoration/preview.cpp
index e33ceb5d6b..f30c0134a2 100644
--- a/kcmkwin/kwindecoration/preview.cpp
+++ b/kcmkwin/kwindecoration/preview.cpp
@@ -20,16 +20,11 @@
 
 #include "preview.h"
 
-#include <kapplication.h>
 #include <KDE/KLocalizedString>
 #include <kconfig.h>
-#include <kglobal.h>
-#include <QLabel>
-#include <QStyle>
 #include <QApplication>
 #include <QPainter>
 #include <QMouseEvent>
-#include <QVector>
 #include <kicon.h>
 
 #include <kdecorationfactory.h>