diff --git a/libc/stdio/local.h b/libc/stdio/local.h
index a31d7b9..11b136d 100644
--- a/libc/stdio/local.h
+++ b/libc/stdio/local.h
@@ -32,8 +32,7 @@
  * SUCH DAMAGE.
  */
 
-#ifndef __BIONIC_STDIO_LOCAL_H__
-#define __BIONIC_STDIO_LOCAL_H__
+#pragma once
 
 #include <pthread.h>
 #include <stdbool.h>
@@ -278,5 +277,3 @@
 char* __ldtoa(long double*, int, int, int*, int*, char**);
 
 __END_DECLS
-
-#endif