diff --git a/build/fbcode_builder/getdeps/builder.py b/build/fbcode_builder/getdeps/builder.py
index 052669458..25c70b002 100644
--- a/build/fbcode_builder/getdeps/builder.py
+++ b/build/fbcode_builder/getdeps/builder.py
@@ -802,16 +802,8 @@ def _build(self, install_dirs, reconfigure):
         linkage = ["static"]
         if self.build_opts.is_windows():
             linkage.append("shared")
-
-        args = []
-        if self.build_opts.is_darwin():
-            clang = subprocess.check_output(["xcrun", "--find", "clang"])
-            user_config = os.path.join(self.build_dir, "project-config.jam")
-            with open(user_config, "w") as jamfile:
-                jamfile.write("using clang : : %s ;\n" % clang.decode().strip())
-            args.append("--user-config=%s" % user_config)
-
         for link in linkage:
+            args = []
             if self.build_opts.is_windows():
                 bootstrap = os.path.join(self.src_dir, "bootstrap.bat")
                 self._run_cmd([bootstrap], cwd=self.src_dir)
diff --git a/build/fbcode_builder/manifests/boost b/build/fbcode_builder/manifests/boost
index 4b254e308..f051cfd1b 100644
--- a/build/fbcode_builder/manifests/boost
+++ b/build/fbcode_builder/manifests/boost
@@ -81,6 +81,3 @@ builder = boost
 --with-timer
 --with-type_erasure
 --with-wave
-
-[b2.args.os=darwin]
-toolset=clang