diff --git a/sysdeps/unix/sysv/linux/bits/mman-shared.h b/sysdeps/unix/sysv/linux/bits/mman-shared.h
index 31590979b9..0be4b471bf 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-shared.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-shared.h
@@ -43,10 +43,9 @@
 # endif
 
 /* Access restrictions for pkey_alloc.  */
-# ifndef PKEY_DISABLE_ACCESS
-#  define PKEY_DISABLE_ACCESS 0x1
-#  define PKEY_DISABLE_WRITE 0x2
-# endif
+# define PKEY_UNRESTRICTED 0x0
+# define PKEY_DISABLE_ACCESS 0x1
+# define PKEY_DISABLE_WRITE 0x2
 
 __BEGIN_DECLS