diff --git a/src/backend/port/strdup.c b/src/backend/port/strdup.c
deleted file mode 100644
index edde384d98..0000000000
--- a/src/backend/port/strdup.c
+++ /dev/null
@@ -1,28 +0,0 @@
-
-/*-------------------------------------------------------------------------
- *
- * strdup.c--
- *	  copies a null-terminated string.
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/Attic/strdup.c,v 1.1 1997/12/19 02:56:17 scrappy Exp $
- *
- *-------------------------------------------------------------------------
- */
-#include <string.h>
-
-#include <utils/palloc.h>
-
-#include "port-protos.h"
-
-char	   *
-strdup(char const * string)
-{
-	char	   *nstr;
-
-	nstr = strcpy((char *) palloc(strlen(string) + 1), string);
-	return nstr;
-}