diff --git a/library/unwind/build.rs b/library/unwind/build.rs
index ab09a6e324d8b..60a9895eb53cd 100644
--- a/library/unwind/build.rs
+++ b/library/unwind/build.rs
@@ -116,8 +116,6 @@ mod llvm_libunwind {
             cfg.flag("-fstrict-aliasing");
             cfg.flag("-funwind-tables");
             cfg.flag("-fvisibility=hidden");
-            cfg.flag_if_supported("-fvisibility-global-new-delete-hidden");
-            cfg.define("_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS", None);
         }
 
         let mut unwind_sources = vec![