Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -10,7 +10,7 @@ set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 enable_testing()
 
 if(UNIX)
-    set(CMAKE_C_FLAGS "-g -O2 -Wall -fPIC ${CMAKE_C_FLAGS}")
+    set(CMAKE_C_FLAGS "-Wall -fPIC ${CMAKE_C_FLAGS}")
     add_compile_definitions(UNDER_POSIX PIC)
 endif()
 
@@ -338,4 +338,4 @@ set(CPACK_PACKAGE_CHECKSUM SHA256)
 set(CPACK_SOURCE_IGNORE_FILES "/out" "/\\\\..*")
 set(CPACK_SOURCE_GENERATOR TXZ)
 set(CPACK_SOURCE_PACKAGE_FILE_NAME libchewing-${CMAKE_PROJECT_VERSION})
-include(CPack)
\ No newline at end of file
+include(CPack)
