diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4c93f2740..a5d6f1f31 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,22 +33,6 @@ include( CTest )
   #set( CMAKE_C_VISIBILITY_PRESET hidden )
   #set( CMAKE_CXX_VISIBILITY_PRESET hidden )
 
-mark_as_advanced( BUILD_SHARED_LIBS )
-option( BUILD_SHARED_LIBS "Build shared libraries?" OFF )
-if( BUILD_SHARED_LIBS )
-  add_definitions( -D_ELASTIX_USE_SHARED_LIBRARY )
-
-  # We need to make sure that also the ITK is compiled with shared
-  # libraries on. Related to flag (ITK_)BUILD_SHARED_LIBS. todo
-
-  # In order to compile a shared library, all static sub-libraries
-  # need to build position independend code.
-  # Otherwise an error similar to the following is raised:
-  #   relocation R_X86_64_32S against `.bss' can not be used when
-  #   making a shared object; recompile with -fPIC
-  set( CMAKE_POSITION_INDEPENDENT_CODE ON )
-endif()
-
 #---------------------------------------------------------------------
 # Find ITK.
 find_package( ITK 5.1.1 REQUIRED )