diff --git a/partitionmanager/src/core/operationstack.cpp b/partitionmanager/src/core/operationstack.cpp
index d334f8a8..c33fa934 100644
--- a/partitionmanager/src/core/operationstack.cpp
+++ b/partitionmanager/src/core/operationstack.cpp
@@ -43,9 +43,6 @@
 #include <kdebug.h>
 #include <klocale.h>
 
-#include <QtCore/qreadwritelock.h>
-#include <QtCore/qreadwritelock.h>
-
 /** Constructs a new OperationStack */
 OperationStack::OperationStack(QObject* parent) :
 	QObject(parent),
diff --git a/partitionmanager/src/gui/mainwindow.cpp b/partitionmanager/src/gui/mainwindow.cpp
index 93b86bcb..30ab63d5 100644
--- a/partitionmanager/src/gui/mainwindow.cpp
+++ b/partitionmanager/src/gui/mainwindow.cpp
@@ -73,7 +73,6 @@
 #include <ktemporaryfile.h>
 
 #include <QtGui/qevent.h>
-#include <QtCore/qreadwritelock.h>
 #include <QPointer>
 #include <QFile>
 #include <QDateTime>
diff --git a/partitionmanager/src/gui/partitionmanagerwidget.cpp b/partitionmanager/src/gui/partitionmanagerwidget.cpp
index abb27ce8..0e1e6bde 100644
--- a/partitionmanager/src/gui/partitionmanagerwidget.cpp
+++ b/partitionmanager/src/gui/partitionmanagerwidget.cpp
@@ -57,7 +57,6 @@
 
 #include <QCursor>
 #include <QPointer>
-#include <QtCore/qreadwritelock.h>
 
 #include <config.h>