diff --git a/applet.h b/applet.h
index 78f941adc..75a6c9639 100644
--- a/applet.h
+++ b/applet.h
@@ -22,9 +22,9 @@
 #include <QtGui/QGraphicsItemGroup>
 #include <QtGui/QWidget>
 
-#include <KPluginInfo>
-#include <KSharedConfig>
-#include <KGenericFactory>
+#include <kplugininfo.h>
+#include <ksharedconfig.h>
+#include <kgenericfactory.h>
 
 #include <plasma/plasma.h>
 
diff --git a/corona.h b/corona.h
index 6db2ca916..0b6998c29 100644
--- a/corona.h
+++ b/corona.h
@@ -20,7 +20,7 @@
 #define CORONA_H
 
 #include <QGraphicsScene>
-#include <QMessageBox>
+
 #include <plasma/applet.h>
 #include <plasma/plasma.h>
 #include <plasma/plasma_export.h>
diff --git a/dataengine.h b/dataengine.h
index c3cd12007..eb9689684 100644
--- a/dataengine.h
+++ b/dataengine.h
@@ -24,7 +24,7 @@
 #include <QtCore/QObject>
 #include <QtCore/QStringList>
 
-#include <KGenericFactory>
+#include <kgenericfactory.h>
 
 #include <plasma/plasma_export.h>
 
diff --git a/widgets/icon.h b/widgets/icon.h
index ae81a6c36..1c9be064e 100644
--- a/widgets/icon.h
+++ b/widgets/icon.h
@@ -26,6 +26,8 @@
 #include <plasma/plasma_export.h>
 #include <plasma/widgets/layoutitem.h>
 
+class KUrl;
+
 //TODO
 //Please Document this class