diff --git a/contrib/amd/hlfsd/hlfsd.h b/contrib/amd/hlfsd/hlfsd.h
index ab0a94e9a2d..2334d1b14d2 100644
--- a/contrib/amd/hlfsd/hlfsd.h
+++ b/contrib/amd/hlfsd/hlfsd.h
@@ -143,7 +143,6 @@ extern char *homedir(int, int);
 extern char *mailbox(int, char *);
 extern char *passwdfile;
 extern char *slinkname;
-extern char mboxfile[];
 extern gid_t hlfs_gid;
 extern int cache_interval;
 extern int noverify;