diff --git a/libexec/rtld-elf/rtld.h b/libexec/rtld-elf/rtld.h
index fc9f10255811..c1996f04219f 100644
--- a/libexec/rtld-elf/rtld.h
+++ b/libexec/rtld-elf/rtld.h
@@ -37,6 +37,7 @@
 #include <elf-hints.h>
 #include <link.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <setjmp.h>
 #include <stddef.h>
 
@@ -46,11 +47,6 @@
 #define NEW(type)	((type *) xmalloc(sizeof(type)))
 #define CNEW(type)	((type *) xcalloc(1, sizeof(type)))
 
-/* We might as well do booleans like C++. */
-typedef unsigned char bool;
-#define false	0
-#define true	1
-
 extern size_t tls_last_offset;
 extern size_t tls_last_size;
 extern size_t tls_static_space;