diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index 836037086b70422a86fccd66a5a9957b0c10b3c6..1f21e9e892f6bb9dbab44b1bffa6f73f9cbd946d 100644
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -315,48 +315,6 @@ ProcessRoleGUC(void)
 	caql_endscan(pcqCtx);
 }
 
-/*
- * FindMyDatabaseByOid
- *
- * As above, but the actual database Id is known.  Return its name and the 
- * tablespace OID.  Return TRUE if found, FALSE if not.  The same restrictions
- * as FindMyDatabase apply.
- */
-static bool
-FindMyDatabaseByOid(Oid dbid, char *dbname, Oid *db_tablespace)
-{
-	bool		result = false;
-	char	   *filename;
-	FILE	   *db_file;
-	Oid			db_id;
-	char		thisname[NAMEDATALEN];
-	TransactionId db_frozenxid;
-
-	filename = database_getflatfilename();
-	db_file = AllocateFile(filename, "r");
-	if (db_file == NULL)
-		ereport(FATAL,
-				(errcode_for_file_access(),
-				 errmsg("could not open file \"%s\": %m", filename)));
-
-	while (read_pg_database_line(db_file, thisname, &db_id,
-								 db_tablespace, &db_frozenxid))
-	{
-		if (dbid == db_id)
-		{
-			result = true;
-			strlcpy(dbname, thisname, NAMEDATALEN);
-			break;
-		}
-	}
-
-	FreeFile(db_file);
-	pfree(filename);
-
-	return result;
-}
-
-
 /*
  * CheckMyDatabase -- fetch information from the pg_database entry for our DB
  */