--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -229,16 +229,10 @@
   endif()
 endif()
 
-add_library(sentencepiece-static STATIC ${SPM_SRCS})
-add_library(sentencepiece_train-static STATIC ${SPM_TRAIN_SRCS})
-
-target_link_libraries(sentencepiece-static INTERFACE ${SPM_LIBS})
-target_link_libraries(sentencepiece_train-static INTERFACE sentencepiece-static ${SPM_LIBS})
-
 if (SPM_ENABLE_SHARED)
   target_link_libraries(sentencepiece PUBLIC ${SPM_LIBS})
   target_link_libraries(sentencepiece_train PUBLIC ${SPM_LIBS} sentencepiece)
-  set(SPM_INSTALLTARGETS sentencepiece sentencepiece_train sentencepiece-static sentencepiece_train-static)
+  set(SPM_INSTALLTARGETS sentencepiece sentencepiece_train)
   set_target_properties(sentencepiece sentencepiece_train PROPERTIES SOVERSION 0 VERSION 0.0.0)
   set_target_properties(sentencepiece PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS YES)
   set_target_properties(sentencepiece_train PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS YES)
@@ -255,9 +249,6 @@
   set(SPM_INSTALLTARGETS sentencepiece-static sentencepiece_train-static)
 endif()
 
-set_target_properties(sentencepiece-static PROPERTIES OUTPUT_NAME "sentencepiece")
-set_target_properties(sentencepiece_train-static PROPERTIES OUTPUT_NAME "sentencepiece_train")
-
 if (NOT WIN32)
   set(CMAKE_CXX_FLAGS "-O3 -Wall -fPIC ${CMAKE_CXX_FLAGS}")
   set_source_files_properties(