diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fc9a7c3..1276e567 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,17 +1,10 @@
 cmake_minimum_required(VERSION 3.6)
 
 set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "build type")
-if (WIN32)
-	set (CMAKE_INSTALL_PREFIX "C:\Program Files\\" CACHE PATH "install prefix")
-elseif (APPLE)
-	set(CMAKE_INSTALL_PREFIX "/Applications/" CACHE PATH "install prefix")
-else ()
-	set(CMAKE_INSTALL_PREFIX "/usr/lib/" CACHE PATH "install prefix")
-endif ()
-
 set(CMAKE_SKIP_RPATH TRUE)
 
-project(workflow
+project(
+	workflow
 	VERSION 0.9.1
 	LANGUAGES C CXX
 )
@@ -33,7 +26,6 @@ set(LIB_DIR ${PROJECT_SOURCE_DIR}/_lib CACHE PATH "workflow lib")
 
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIB_DIR})
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIB_DIR})
-#set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LIB_DIR})
 
 add_custom_target(
 	LINK_HEADERS ALL
@@ -56,7 +48,6 @@ add_custom_command(
 )
 
 foreach(header_file ${INCLUDE_HEADERS} ${INCLUDE_KERNEL_HEADERS})
-	#file(COPY ${PROJECT_SOURCE_DIR}/${header_file} DESTINATION ${INC_DIR}/${PROJECT_NAME})
 	string(REPLACE "/" ";" arr ${header_file})
 	list(GET arr -1 file_name)
 	makeLink(${PROJECT_SOURCE_DIR}/${header_file} ${INC_DIR}/${PROJECT_NAME}/${file_name} LINK_HEADERS)
@@ -110,37 +101,6 @@ install(
 	RENAME ${PROJECT_NAME}-config.cmake
 )
 
-#### PACK
-
-set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Sogou C++ Workflow")
-set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
-
-# set(CPACK_RPM_PRE_INSTALL_SCRIPT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/pre_script.sh)
-# set(CPACK_RPM_POST_INSTALL_SCRIPT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/post_script.sh)
-
-execute_process(
-	COMMAND git log -n1 --format=%ad --date=short
-	RESULT_VARIABLE GIT_LOG_RET
-	OUTPUT_VARIABLE GIT_YMD
-	OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-
-if (NOT GIT_LOG_RET EQUAL 0)
-	set(GIT_YMD 0)
-endif()
-
-string(REPLACE "-" "" RELEASE_LABEL ${GIT_YMD})
-set(CPACK_RPM_PACKAGE_RELEASE ${RELEASE_LABEL})
-
-set(CPACK_RPM_COMPONENT_INSTALL ON)
-set(CPACK_COMPONENTS_ALL devel)
-set(CPACK_RPM_FILE_NAME RPM-DEFAULT)
-set(CPACK_RPM_PACKAGE_RELEASE_DIST ON)
-
-set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION /usr/lib64/cmake)
-
-set(CPACK_RPM_DEVEL_PACKAGE_REQUIRES "openssl-devel >= 1.0.1")
-
 install(
 	FILES ${INCLUDE_HEADERS} ${INCLUDE_KERNEL_HEADERS}
 	DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
@@ -152,9 +112,3 @@ install(
 	DESTINATION "${CMAKE_INSTALL_DOCDIR}-${PROJECT_VERSION}"
 	COMPONENT devel
 )
-
-set(CPACK_RPM_SPEC_MORE_DEFINE "%define __spec_install_post /bin/true") # disable strip
-set(CPACK_GENERATOR "RPM")
-
-include(CPack)
-
diff --git a/GNUmakefile b/GNUmakefile
index 1cf8f019..ed106217 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,5 +1,5 @@
 ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
-ALL_TARGETS := all base check install preinstall package rpm clean tutorial
+ALL_TARGETS := all base check install preinstall clean tutorial
 MAKE_FILE := Makefile
 
 DEFAULT_BUILD_DIR := build
@@ -14,7 +14,7 @@ all: base
 base:
 	mkdir -p $(BUILD_DIR)
 ifeq ($(DEBUG),y)
-	cd $(BUILD_DIR) && $(CMAKE3) -D CMAKE_BUILD_TYPE=Debug $(ROOT_DIR)
+	cd $(BUILD_DIR) && $(CMAKE3) -DCMAKE_BUILD_TYPE=Debug $(ROOT_DIR)
 else ifneq ("${INSTALL_PREFIX}install_prefix", "install_prefix")
 	cd $(BUILD_DIR) && $(CMAKE3) -DCMAKE_INSTALL_PREFIX:STRING=${INSTALL_PREFIX} $(ROOT_DIR)
 else
@@ -27,16 +27,11 @@ tutorial: all
 check: all
 	make -C test check
 
-install preinstall package: base
+install preinstall: base
 	mkdir -p $(BUILD_DIR)
 	cd $(BUILD_DIR) && $(CMAKE3) $(ROOT_DIR)
 	make -C $(BUILD_DIR) -f Makefile $@
 
-rpm: package
-ifneq ($(BUILD_DIR),.)
-	mv $(BUILD_DIR)/*.rpm ./
-endif
-
 clean:
 ifeq (build, $(wildcard build))
 	-make -C build clean
@@ -46,8 +41,6 @@ endif
 	rm -rf $(DEFAULT_BUILD_DIR)
 	rm -rf _include
 	rm -rf _lib
-	rm -f SRCINFO SRCNUMVER SRCVERSION
-	rm -f ./*.rpm
 	find . -name CMakeCache.txt | xargs rm -f
 	find . -name Makefile       | xargs rm -f
 	find . -name "*.cmake"      | xargs rm -f