diff --git a/src/bin/pg_dump/pg_backup.h b/src/bin/pg_dump/pg_backup.h
index db30b54a92..8c0cedcd98 100644
--- a/src/bin/pg_dump/pg_backup.h
+++ b/src/bin/pg_dump/pg_backup.h
@@ -153,7 +153,6 @@ typedef struct _dumpOptions
 	int			no_synchronized_snapshots;
 	int			no_unlogged_table_data;
 	int			serializable_deferrable;
-	int			quote_all_identifiers;
 	int			disable_triggers;
 	int			outputNoTablespaces;
 	int			use_setsessauth;