diff --git a/third_party/llvm-7.0/configs/darwin/include/llvm/Config/config.h b/third_party/llvm-7.0/configs/darwin/include/llvm/Config/config.h
index 594e68b..2e88669 100644
--- a/third_party/llvm-7.0/configs/darwin/include/llvm/Config/config.h
+++ b/third_party/llvm-7.0/configs/darwin/include/llvm/Config/config.h
@@ -70,8 +70,8 @@
 /* Define to 1 if you have the <ffi.h> header file. */
 /* #undef HAVE_FFI_H */
 
-/* Define to 1 if you have the `futimens' function. */
-#define HAVE_FUTIMENS 1
+/* Define to 1 if you have the `futimens' function. */
+/* #undef HAVE_FUTIMENS */
 
 /* Define to 1 if you have the `futimes' function. */
 #define HAVE_FUTIMES 1