diff --git a/Modules/Overlays/files.cmake b/Modules/Overlays/files.cmake
index 590b6bb3b2..6ef55033a8 100644
--- a/Modules/Overlays/files.cmake
+++ b/Modules/Overlays/files.cmake
@@ -1,17 +1,16 @@
 SET(CPP_FILES
   QmitkCustomWidgetOverlay.cpp
   QmitkOverlay.cpp
   QmitkOverlayController.cpp
   QmitkScalarBar.cpp
   QmitkScalarBarOverlay.cpp
   QmitkTextOverlay.cpp
 )
 
 
 SET(MOC_H_FILES
-  QmitkCustomWidgetOverlay.h
   QmitkOverlay.h
   QmitkOverlayController.h
   QmitkScalarBar.h
   QmitkScalarBarOverlay.h
 )
\ No newline at end of file