diff --git a/Core/Code/DataManagement/mitkTypedefs.h b/Core/Code/DataManagement/mitkQuaternion.h
similarity index 76%
rename from Core/Code/DataManagement/mitkTypedefs.h
rename to Core/Code/DataManagement/mitkQuaternion.h
index a6da7d172f..7fdc10f6b7 100644
--- a/Core/Code/DataManagement/mitkTypedefs.h
+++ b/Core/Code/DataManagement/mitkQuaternion.h
@@ -1,44 +1,37 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #ifndef MITKTYPEDEFS_H_
 #define MITKTYPEDEFS_H_
 
 
 #include <itkIndex.h>
 #include <itkContinuousIndex.h>
 #include <itkVector.h>
 #include <itkMatrix.h>
 #include <itkTransform.h>
 #include <vnl/vnl_quaternion.h>
 #include <utility>
 
-#include "mitkTypeBasics.h"
-
-//template<class TCoordRep, unsigned int NPointDimension>  class Vector;
+#include "mitkConstants.h"
 
 namespace mitk {
 
-typedef vnl_matrix_fixed<ScalarType, 3, 3> VnlMatrix3D;
-
-typedef vnl_vector<ScalarType> VnlVector;
-typedef vnl_vector_ref<ScalarType> VnlVectorRef;
-
 typedef vnl_quaternion<ScalarType> Quaternion;
 
 }
 
 #endif /* MITKTYPEDEFS_H_ */