diff --git a/lib/index.js b/lib/index.js
index <HASH>..<HASH> 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -225,13 +225,7 @@ const
     isc_dpb_old_start_page          = 37,
     isc_dpb_old_start_seqno         = 38,
     isc_dpb_old_start_file          = 39,
-    isc_dpb_drop_walfile            = 40,
     isc_dpb_old_dump_id             = 41,
-    isc_dpb_wal_backup_dir          = 42,
-    isc_dpb_wal_chkptlen            = 43,
-    isc_dpb_wal_numbufs             = 44,
-    isc_dpb_wal_bufsize             = 45,
-    isc_dpb_wal_grp_cmt_wait        = 46,
     isc_dpb_lc_messages             = 47,
     isc_dpb_lc_ctype                = 48,
     isc_dpb_cache_manager           = 49,
@@ -241,7 +235,6 @@ const
     isc_dpb_reserved                = 53,
     isc_dpb_overwrite               = 54,
     isc_dpb_sec_attach              = 55,
-    isc_dpb_disable_wal             = 56,
     isc_dpb_connect_timeout         = 57,
     isc_dpb_dummy_packet_interval   = 58,
     isc_dpb_gbak_attach             = 59,
wal was removed - unused constants