diff --git a/work/Core-3.3.0/CMakeLists.txt b/work/Core-3.3.0/CMakeLists.txt
index 75fd2c6..94c2502 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -219,9 +219,6 @@ if(NOT WIN32)
 		set(YAF_BINDINGS_RUBY_DIR ${YAF_LIB_DIR})
 	endif(NOT YAF_BINDINGS_RUBY_DIR)
 
-	# build flags
-	set(CMAKE_CXX_FLAGS "-Wall" CACHE STRING "Default compiler flags" FORCE)
-	
 	if(USER_RELEASE_OPTIMIZATION_FLAGS)
 		set(YAF_CXX_FLAGS_RELEASE ${USER_RELEASE_OPTIMIZATION_FLAGS})
 	else(USER_RELEASE_OPTIMIZATION_FLAGS)
