diff --git a/libcxx/src/experimental/memory_resource.cpp b/libcxx/src/experimental/memory_resource.cpp
--- a/libcxx/src/experimental/memory_resource.cpp
+++ b/libcxx/src/experimental/memory_resource.cpp
@@ -76,12 +76,7 @@
   ~ResourceInitHelper() {}
 };
 
-// When compiled in C++14 this initialization should be a constant expression.
-// Only in C++11 is "init_priority" needed to ensure initialization order.
-#if _LIBCPP_STD_VER > 11
-_LIBCPP_SAFE_STATIC
-#endif
-ResourceInitHelper res_init _LIBCPP_INIT_PRIORITY_MAX;
+_LIBCPP_SAFE_STATIC ResourceInitHelper res_init _LIBCPP_INIT_PRIORITY_MAX;
 
 } // end namespace