diff --git a/CMakeExternals/ITK-5.2.1.patch b/CMakeExternals/ITK-5.2.1.patch
deleted file mode 100644
index 8ad1cb5184..0000000000
--- a/CMakeExternals/ITK-5.2.1.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/Modules/Video/BridgeOpenCV/include/itkOpenCVVideoIO.h b/Modules/Video/BridgeOpenCV/include/itkOpenCVVideoIO.h
-index 1570a182..96a70f17 100644
---- a/Modules/Video/BridgeOpenCV/include/itkOpenCVVideoIO.h
-+++ b/Modules/Video/BridgeOpenCV/include/itkOpenCVVideoIO.h
-@@ -168,7 +168,7 @@ public:
-                       const std::vector<SizeValueType> & dim,
-                       const char *                       fourCC,
-                       unsigned int                       nChannels,
--                      IOComponentType                    componentType);
-+                      IOComponentEnum                    componentType);
- 
- protected:
-   OpenCVVideoIO();
-diff --git a/Modules/Video/BridgeOpenCV/src/itkOpenCVVideoIO.cxx b/Modules/Video/BridgeOpenCV/src/itkOpenCVVideoIO.cxx
-index 7d7db3b8..8ce71c8f 100644
---- a/Modules/Video/BridgeOpenCV/src/itkOpenCVVideoIO.cxx
-+++ b/Modules/Video/BridgeOpenCV/src/itkOpenCVVideoIO.cxx
-@@ -436,7 +436,7 @@ OpenCVVideoIO::SetWriterParameters(TemporalRatioType                  fps,
-                                    const std::vector<SizeValueType> & dim,
-                                    const char *                       fourCC,
-                                    unsigned int                       nChannels,
--                                   IOComponentType                    componentType)
-+                                   IOComponentEnum                    componentType)
- {
-   if (this->m_ReaderOpen || this->m_WriterOpen)
-   {
-@@ -444,7 +444,7 @@ OpenCVVideoIO::SetWriterParameters(TemporalRatioType                  fps,
-   }
- 
-   // Make sure componentType is acceptable (right now we only support char)
--  if (componentType != UCHAR)
-+  if (componentType != IOComponentEnum::UCHAR)
-   {
-     itkExceptionMacro("OpenCV IO only supports writing video with pixels of UCHAR");
-   }
diff --git a/CMakeExternals/ITK.cmake b/CMakeExternals/ITK.cmake
index b93d27df57..24803c0ffc 100644
--- a/CMakeExternals/ITK.cmake
+++ b/CMakeExternals/ITK.cmake
@@ -1,89 +1,88 @@
 #-----------------------------------------------------------------------------
 # ITK
 #-----------------------------------------------------------------------------
 
 # Sanity checks
 if(DEFINED ITK_DIR AND NOT EXISTS ${ITK_DIR})
   message(FATAL_ERROR "ITK_DIR variable is defined but corresponds to non-existing directory")
 endif()
 
 set(proj ITK)
 set(proj_DEPENDENCIES GDCM)
 
 if(MITK_USE_OpenCV)
   list(APPEND proj_DEPENDENCIES OpenCV)
 endif()
 
 if(MITK_USE_HDF5)
   list(APPEND proj_DEPENDENCIES HDF5)
 endif()
 
 set(ITK_DEPENDS ${proj})
 
 if(NOT DEFINED ITK_DIR)
 
   set(additional_cmake_args -DUSE_WRAP_ITK:BOOL=OFF)
 
   list(APPEND additional_cmake_args
     -DITKV4_COMPATIBILITY:BOOL=OFF
     -DITK_LEGACY_REMOVE:BOOL=ON
   )
 
   if(MITK_USE_OpenCV)
     list(APPEND additional_cmake_args
          -DModule_ITKVideoBridgeOpenCV:BOOL=ON
          -DOpenCV_DIR:PATH=${OpenCV_DIR}
          "-DCMAKE_CONFIGURATION_TYPES:STRING=Debug$<SEMICOLON>Release"
         )
   endif()
 
   # Keep the behaviour of ITK 4.3 which by default turned on ITK Review
   # see MITK bug #17338
   list(APPEND additional_cmake_args
     -DModule_ITKReview:BOOL=ON
     -DModule_ITKOpenJPEG:BOOL=ON # for 4.7, the OpenJPEG is needed by review but the variable must be set
     -DModule_IsotropicWavelets:BOOL=ON
   )
 
   if(CTEST_USE_LAUNCHERS)
     list(APPEND additional_cmake_args
       "-DCMAKE_PROJECT_${proj}_INCLUDE:FILEPATH=${CMAKE_ROOT}/Modules/CTestUseLaunchers.cmake"
     )
   endif()
 
   mitk_query_custom_ep_vars()
 
   ExternalProject_Add(${proj}
      LIST_SEPARATOR ${sep}
      UPDATE_COMMAND ""
-     URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/InsightToolkit-5.2.1.tar.gz
-     URL_MD5 48c1fe49f75fdaa91b31bbf9dda01a42
-     PATCH_COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/ITK-5.2.1.patch
+     GIT_REPOSITORY https://github.com/MITK/ITK.git
+     GIT_TAG v5.2.1-patched
      CMAKE_GENERATOR ${gen}
      CMAKE_GENERATOR_PLATFORM ${gen_platform}
      CMAKE_ARGS
        ${ep_common_args}
        ${additional_cmake_args}
        -DBUILD_EXAMPLES:BOOL=OFF
        -DITK_USE_SYSTEM_GDCM:BOOL=ON
        -DGDCM_DIR:PATH=${GDCM_DIR}
        -DITK_USE_SYSTEM_HDF5:BOOL=ON
        -DHDF5_DIR:PATH=${HDF5_DIR}
        ${${proj}_CUSTOM_CMAKE_ARGS}
      CMAKE_CACHE_ARGS
        ${ep_common_cache_args}
        ${${proj}_CUSTOM_CMAKE_CACHE_ARGS}
      CMAKE_CACHE_DEFAULT_ARGS
        ${ep_common_cache_default_args}
        ${${proj}_CUSTOM_CMAKE_CACHE_DEFAULT_ARGS}
      DEPENDS ${proj_DEPENDENCIES}
     )
 
   set(ITK_DIR ${ep_prefix})
   mitkFunctionInstallExternalCMakeProject(${proj})
 
 else()
 
   mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
 endif()