diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8bcc245..e411128 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,14 +68,10 @@ if(MSVC)
     add_definitions(/D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS /D_WIN32 /D_WINDOWS /FS /D_WIN32_WINNT=0x0600)
     add_compile_options(/Zi /Od /EHsc /W4)
 else(MSVC)
-    set(CMAKE_CXX_FLAGS_DEBUG " -Wall -ggdb -O0 ${CMAKE_CXX_FLAGS_DEBUG}")
-
     SET(STATIC_LIBRARY_CXX_FLAGS)
     SET(EXECUTABLE_CXX_FLAGS)
     SET(DYNAMIC_LIBRARY_CXX_FLAGS)
     SET(D -D)
-    set(CMAKE_CXX_FLAGS " -std=c++11 -Wall -fPIC ${CMAKE_CXX_FLAGS} ")
-    SET (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} $ENV{LDFLAGS}")
     #set(CMAKE_SHARED_LINKER_FLAGS "--no-undefined" )
 endif()