diff --git a/compileoptions.cmake b/compileoptions.cmake
index 661145a..c389964 100644
--- a/compileoptions.cmake
+++ b/compileoptions.cmake
@@ -1,6 +1,6 @@
 if (CLR_CMAKE_PLATFORM_UNIX)
   if(CLR_CMAKE_PLATFORM_DARWIN)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -force_flat_namespace -std=c++14")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
   else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
   endif(CLR_CMAKE_PLATFORM_DARWIN)