diff --git a/src/kmanagesieve/sessionthread.cpp b/src/kmanagesieve/sessionthread.cpp
index 550ff73fdbd09f56289b0f60ad496d3b7398bf3b..8b7eb2bb6b11594cc420e630ba2020a711e7cff5 100644
--- a/src/kmanagesieve/sessionthread.cpp
+++ b/src/kmanagesieve/sessionthread.cpp
@@ -22,9 +22,9 @@
 #include "response.h"
 #include "kmanagersieve_debug.h"
 
-#include <QtCore/QThread>
-#include <QtCore/QUrlQuery>
-#include <QtCore/QTimer>
+#include <QThread>
+#include <QUrlQuery>
+#include <QTimer>
 
 #include <KLocalizedString>
 
diff --git a/src/kmanagesieve/sessionthread_p.h b/src/kmanagesieve/sessionthread_p.h
index b601bda2036b127b99089f9b070c697fc9730803..4b7e7293a36181e9277e55df312a1a776f071b5f 100644
--- a/src/kmanagesieve/sessionthread_p.h
+++ b/src/kmanagesieve/sessionthread_p.h
@@ -20,8 +20,8 @@
 #ifndef KMANAGESIEVE_SESSIONTHREAD_H
 #define KMANAGESIEVE_SESSIONTHREAD_H
 
-#include <QtCore/QObject>
-#include <QtCore/QUrl>
+#include <QObject>
+#include <QUrl>
 
 #include <KIO/Global>
 #include <KTcpSocket>
diff --git a/src/kmanagesieve/sievejob_p.h b/src/kmanagesieve/sievejob_p.h
index fa5c0397b65b5bd939df77fca3ff8340a0918594..e8650a8b8ab29bf5514e632e945845d9469ddb45 100644
--- a/src/kmanagesieve/sievejob_p.h
+++ b/src/kmanagesieve/sievejob_p.h
@@ -19,7 +19,7 @@
 #include "session.h"
 
 #include <QUrl>
-#include <QtCore/QPointer>
+#include <QPointer>
 
 namespace KManageSieve {
 class SieveJob::Private
diff --git a/src/ksieve/error.h b/src/ksieve/error.h
index 56bd87a5d1cfff11ba4a387dbbba803eb8632439..0417d725486a70ff3c42d1b488410464610d0f2c 100644
--- a/src/ksieve/error.h
+++ b/src/ksieve/error.h
@@ -35,7 +35,7 @@
 
 #include "ksieve_export.h"
 
-#include <QtCore/QString>
+#include <QString>
 
 #ifdef None // X headers
 #  undef None