diff --git a/bin/chio/chio.c b/bin/chio/chio.c
index b89209ae42c7..b0f160f17e15 100644
--- a/bin/chio/chio.c
+++ b/bin/chio/chio.c
@@ -39,8 +39,6 @@
 static const char copyright[] =
 	"@(#) Copyright (c) 1996 Jason R. Thorpe.  All rights reserved.";
 #endif /* not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");