diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33e0fa1..6303c74 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,10 +24,7 @@ SET(zlog_so_ver ${CPACK_PACKAGE_VERSION_MAJOR})
 
 message(STATUS "plateform : ${CMAKE_SYSTEM}")
 
-add_definitions("-g -Wall -Wstrict-prototypes")
-set(CMAKE_C_FLAGS "-std=c99 -pedantic -D_DEFAULT_SOURCE")
-set(CMAKE_C_FLAGS_DEBUG "-ggdb3 -DDEBUG")
-set(CMAKE_C_FLAGS_RELEASE "-O2")
+
 
 if (WIN32)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 ")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2471e3a..4c58f96 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,7 +10,6 @@ endif()
 list(REMOVE_ITEM SRCS ./zlog-chk-conf.c)
 
 add_library(zlog
-    SHARED
     ${SRCS}
     )
 target_link_libraries(zlog
@@ -26,23 +25,6 @@ endif()
 
 set_target_properties(zlog PROPERTIES VERSION ${zlog_ver} SOVERSION ${zlog_so_ver})
 
-add_library(zlog_s
-    STATIC
-    ${SRCS}
-    )
-target_link_libraries(zlog_s
-    ${CMAKE_THREAD_PREFER_PTHREAD}
-    )
-
-if (WIN32)
-    target_link_libraries(zlog_s
-        ${UNIXEM_LIBRARY}
-        Ws2_32
-        )
-endif()
-
-set_target_properties(zlog_s PROPERTIES OUTPUT_NAME zlog)
-
 #================================================================
 # generate zlog-chk-conf
 #================================================================
@@ -53,7 +35,7 @@ target_link_libraries(zlog-chk-conf zlog)
 # install
 #================================================================
 install(TARGETS
-    zlog zlog_s zlog-chk-conf
+    zlog zlog-chk-conf
     COMPONENT zlog
     ARCHIVE DESTINATION lib
     LIBRARY DESTINATION lib