diff --git a/CMake/FindBetData.cmake b/CMake/FindBetData.cmake
deleted file mode 100644
index f15a41f9f2..0000000000
--- a/CMake/FindBetData.cmake
+++ /dev/null
@@ -1,7 +0,0 @@
-set(BetData_DIR ${MITK_SUPERBUILD_BINARY_DIR}/ep/src/BetData)
-
-if(EXISTS ${BetData_DIR})
-  set(BetData_FOUND TRUE)
-else()
-  set(BetData_FOUND FALSE)
-endif()
diff --git a/CMake/PackageDepends/MITK_BetData_Config.cmake b/CMake/PackageDepends/MITK_BetData_Config.cmake
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/CMakeExternals/BetData.cmake b/CMakeExternals/BetData.cmake
deleted file mode 100644
index f511435b0e..0000000000
--- a/CMakeExternals/BetData.cmake
+++ /dev/null
@@ -1,37 +0,0 @@
-#-----------------------------------------------------------------------------
-# Brain Extraction Data
-#-----------------------------------------------------------------------------
-
-if(MITK_USE_BetData)
-
-
-# Sanity checks
-if(DEFINED BetData_DIR AND NOT EXISTS ${BetData_DIR})
-  message(FATAL_ERROR "BetData_DIR variable is defined but corresponds to non-existing directory")
-endif()
-
-set(proj BetData)
-set(proj_DEPENDENCIES)
-set(BetData_DEPENDS ${proj})
-
-if(NOT DEFINED BetData_DIR)
-
-  set(BetData_DIR ${ep_prefix}/src/${proj}/)
-
-  ExternalProject_Add(${proj}
-    URL http://mitk.org/download/data/MITK-BET-20180711.tar.gz
-    UPDATE_COMMAND ""
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND ""
-    INSTALL_COMMAND ""
-    DEPENDS ${proj_DEPENDENCIES}
-  )
-
-  configure_file(${CMAKE_CURRENT_LIST_DIR}/${proj}.h.in ${CMAKE_BINARY_DIR}/${proj}.h)
-
-else()
-
-  mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
-endif()
-
-endif()
diff --git a/CMakeExternals/BetData.h.in b/CMakeExternals/BetData.h.in
deleted file mode 100644
index 0287b03917..0000000000
--- a/CMakeExternals/BetData.h.in
+++ /dev/null
@@ -1,31 +0,0 @@
-/*===================================================================
-
-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 BetData_h
-#define BetData_h
-
-//#define BetData_DIR "@BetData_DIR@"
-
-namespace mitk
-{
-namespace bet
-{
-std::vector< std::string > relative_search_dirs = {"/","/bin/","/BetData/","/bin/BetData/"};
-std::vector< std::string > absolute_search_dirs = {"@BetData_DIR@"};
-}
-}
-
-#endif
diff --git a/CMakeExternals/ExternalProjectList.cmake b/CMakeExternals/ExternalProjectList.cmake
index 9873030a41..a3fe925b3b 100644
--- a/CMakeExternals/ExternalProjectList.cmake
+++ b/CMakeExternals/ExternalProjectList.cmake
@@ -1,44 +1,43 @@
 mitkFunctionAddExternalProject(NAME Poco        ON  COMPONENTS Foundation Net Util XML Zip)
 mitkFunctionAddExternalProject(NAME DCMTK       ON  DOC "EXPERIMENTAL, superbuild only: Use DCMTK in MITK")
 mitkFunctionAddExternalProject(NAME OpenIGTLink OFF)
 
 mitkFunctionAddExternalProject(NAME tinyxml     ON  ADVANCED)
 mitkFunctionAddExternalProject(NAME GDCM        ON  ADVANCED)
 mitkFunctionAddExternalProject(NAME GLUT        OFF ADVANCED)
 mitkFunctionAddExternalProject(NAME Raptor2     OFF ADVANCED)
 mitkFunctionAddExternalProject(NAME Eigen       ON  ADVANCED DOC "Use the Eigen library")
 mitkFunctionAddExternalProject(NAME ANN         ON  ADVANCED DOC "Use Approximate Nearest Neighbor Library")
 mitkFunctionAddExternalProject(NAME CppUnit     ON  ADVANCED DOC "Use CppUnit for unit tests")
 
 mitkFunctionAddExternalProject(NAME PCRE        OFF ADVANCED NO_PACKAGE)
 
 mitkFunctionAddExternalProject(NAME HDF5        ON ADVANCED)
-mitkFunctionAddExternalProject(NAME BetData     OFF ADVANCED)
 mitkFunctionAddExternalProject(NAME OpenMP      ON)
 
 # -----------------------------------------
 # The following external projects must be
 # ordered according to their
 # inter-dependencies
 
 mitkFunctionAddExternalProject(NAME SWIG      OFF ADVANCED NO_PACKAGE DEPENDS PCRE)
 mitkFunctionAddExternalProject(NAME Python    OFF)
 mitkFunctionAddExternalProject(NAME OpenCV    OFF)
 mitkFunctionAddExternalProject(NAME Vigra     OFF          DEPENDS HDF5)
 
 # These are "hard" dependencies and always set to ON
 mitkFunctionAddExternalProject(NAME ITK       ON           NO_CACHE DEPENDS HDF5)
 mitkFunctionAddExternalProject(NAME VTK       ON           NO_CACHE)
 mitkFunctionAddExternalProject(NAME Boost     ON           NO_CACHE)
 mitkFunctionAddExternalProject(NAME ZLIB      OFF          ADVANCED)
 mitkFunctionAddExternalProject(NAME cpprestsdk OFF         DEPENDS Boost ZLIB ADVANCED)
 mitkFunctionAddExternalProject(NAME ACVD      OFF          DOC "Use Approximated Centroidal Voronoi Diagrams")
 mitkFunctionAddExternalProject(NAME CTK       ON           DEPENDS Qt5 DCMTK DOC "Use CTK in MITK")
 mitkFunctionAddExternalProject(NAME Rasqal    OFF          DEPENDS Raptor2 PCRE ADVANCED)
 mitkFunctionAddExternalProject(NAME Redland   OFF          DEPENDS Rasqal DOC "Use the Redland RDF library")
 mitkFunctionAddExternalProject(NAME DCMQI     ON           DEPENDS DCMTK ITK DOC "Use dcmqi in MITK")
 mitkFunctionAddExternalProject(NAME MatchPoint  OFF ADVANCED  DEPENDS ITK DOC "Use the MatchPoint translation image registration library")
 
 if(MITK_USE_Qt5)
   mitkFunctionAddExternalProject(NAME Qwt     ON  ADVANCED DEPENDS Qt5)
 endif()