diff --git a/sql/structure.sql b/sql/structure.sql
index 0b2833882b5c2a40dd06b46e9de35c9acd65a0fb..9a4a7a1c4dc4c6bcf08424ebce68933e42654c54 100755
--- a/sql/structure.sql
+++ b/sql/structure.sql
@@ -993,6 +993,7 @@ CREATE TABLE res_letterbox
   flag_alarm2 char(1) default 'N'::character varying,
   address_id bigint,
   model_id integer NOT NULL,
+  custom_fields jsonb,
   CONSTRAINT res_letterbox_pkey PRIMARY KEY  (res_id)
 )
 WITH (OIDS=FALSE);
@@ -1418,17 +1419,6 @@ CREATE TABLE custom_fields
 )
 WITH (OIDS=FALSE);
 
-CREATE TABLE resources_custom_fields
-(
-    id serial NOT NULL,
-    res_id INTEGER NOT NULL,
-    custom_field_id INTEGER NOT NULL,
-    value jsonb NOT NULL,
-    CONSTRAINT resources_custom_fields_pkey PRIMARY KEY (id),
-    CONSTRAINT resources_custom_fields_unique_key UNIQUE (res_id, custom_field_id)
-)
-WITH (OIDS=FALSE);
-
 CREATE TABLE indexing_models
 (
     id SERIAL NOT NULL,