diff --git a/src/libprofiler_builtins/build.rs b/src/libprofiler_builtins/build.rs
index 8adcff67800..c990b289335 100644
--- a/src/libprofiler_builtins/build.rs
+++ b/src/libprofiler_builtins/build.rs
@@ -41,7 +41,6 @@ fn main() {
         cfg.flag("-fno-builtin");
         cfg.flag("-fvisibility=hidden");
         cfg.flag("-fomit-frame-pointer");
-        cfg.flag("-ffreestanding");
         cfg.define("VISIBILITY_HIDDEN", None);
         if !target.contains("windows") {
             cfg.define("COMPILER_RT_HAS_UNAME", Some("1"));