diff --git a/cmake/BuildSentencepiece.cmake b/cmake/BuildSentencepiece.cmake
index ce7ce34..f3bf28f 100644
--- a/cmake/BuildSentencepiece.cmake
+++ b/cmake/BuildSentencepiece.cmake
@@ -20,18 +20,8 @@ else()
       "https://github.com/google/sentencepiece.git"
       CACHE STRING "URL of sentencepiece repository")
 
-  if(UNIX)
-    set(SP_CMAKE_PLATFORM_OPTIONS -DSPM_ENABLE_SHARED=OFF)
-    if(APPLE)
-      set(SP_CMAKE_PLATFORM_OPTIONS "${SP_CMAKE_PLATFORM_OPTIONS}" -DCMAKE_OSX_DEPLOYMENT_TARGET=10.13)
-    endif()
-    set(SENTENCEPIECE_INSTALL_LIB_LOCATION
-        lib/${CMAKE_STATIC_LIBRARY_PREFIX}sentencepiece${CMAKE_STATIC_LIBRARY_SUFFIX})
-  else()
-    set(SP_CMAKE_PLATFORM_OPTIONS "")
-    set(SENTENCEPIECE_INSTALL_LIB_LOCATION
-        bin/${CMAKE_SHARED_LIBRARY_PREFIX}sentencepiece${CMAKE_SHARED_LIBRARY_SUFFIX})
-  endif()
+  set(SP_CMAKE_OPTIONS -DSPM_ENABLE_SHARED=OFF)
+  set(SENTENCEPIECE_INSTALL_LIB_LOCATION lib/${CMAKE_STATIC_LIBRARY_PREFIX}sentencepiece${CMAKE_STATIC_LIBRARY_SUFFIX})
 
   include(ExternalProject)
 
@@ -44,24 +34,12 @@ else()
     INSTALL_COMMAND ${CMAKE_COMMAND} --install <BINARY_DIR> --config ${CMAKE_BUILD_TYPE}
     BUILD_BYPRODUCTS <INSTALL_DIR>/${SENTENCEPIECE_INSTALL_LIB_LOCATION}
     CMAKE_ARGS -DCMAKE_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM} -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR>
-               -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} ${SP_CMAKE_PLATFORM_OPTIONS})
+               -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} ${SP_CMAKE_OPTIONS})
   ExternalProject_Get_Property(sentencepiece_build INSTALL_DIR)
 
-  if(UNIX)
-    add_library(libsentencepiece STATIC IMPORTED GLOBAL)
-  else()
-    add_library(libsentencepiece SHARED IMPORTED GLOBAL)
-    set_target_properties(
-      libsentencepiece
-      PROPERTIES IMPORTED_IMPLIB
-                 ${INSTALL_DIR}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}sentencepiece${CMAKE_STATIC_LIBRARY_SUFFIX})
-  endif()
-  add_dependencies(libsentencepiece sentencepiece_build)
-  set_target_properties(libsentencepiece PROPERTIES IMPORTED_LOCATION
-                                                    ${INSTALL_DIR}/${SENTENCEPIECE_INSTALL_LIB_LOCATION})
-
-  add_library(sentencepiece INTERFACE)
-  target_link_libraries(sentencepiece INTERFACE ${INSTALL_DIR}/${SENTENCEPIECE_INSTALL_LIB_LOCATION})
+  add_library(sentencepiece STATIC IMPORTED GLOBAL)
+  add_dependencies(sentencepiece sentencepiece_build)
+  set_target_properties(sentencepiece PROPERTIES IMPORTED_LOCATION ${INSTALL_DIR}/${SENTENCEPIECE_INSTALL_LIB_LOCATION})
   set_target_properties(sentencepiece PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${INSTALL_DIR}/include)
 
 endif()