diff --git a/pandora_console/extras/mr/15.sql b/pandora_console/extras/mr/15.sql
new file mode 100644
index 0000000000..5ea258e5bf
--- /dev/null
+++ b/pandora_console/extras/mr/15.sql
@@ -0,0 +1,9 @@
+START TRANSACTION;
+
+ALTER TABLE tcluster DROP FOREIGN KEY tcluster_ibfk_1;
+
+ALTER TABLE tcluster_agent DROP FOREIGN KEY tcluster_agent_ibfk_1;
+
+ALTER TABLE tcluster_agent DROP FOREIGN KEY tcluster_agent_ibfk_1;
+
+COMMIT;
\ No newline at end of file
diff --git a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
index d25bafbece..e3572edb04 100644
--- a/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
+++ b/pandora_console/extras/pandoradb_migrate_6.0_to_7.0.mysql.sql
@@ -1509,9 +1509,7 @@ create table IF NOT EXISTS `tcluster`(
 		`description` text not null default '',
 		`group` int(10) unsigned NOT NULL default '0',
 		`id_agent` int(10) unsigned NOT NULL,
-		PRIMARY KEY (`id`),
-		FOREIGN KEY (`id_agent`) REFERENCES tagente(`id_agente`)
-			ON UPDATE CASCADE
+		PRIMARY KEY (`id`)
 ) engine=InnoDB DEFAULT CHARSET=utf8;
 
 -- ---------------------------------------------------------------------
@@ -1539,8 +1537,6 @@ create table IF NOT EXISTS `tcluster_agent`(
     `id_cluster` int unsigned not null,
     `id_agent` int(10) unsigned not null,
 		PRIMARY KEY (`id_cluster`,`id_agent`),
-		FOREIGN KEY (`id_agent`) REFERENCES tagente(`id_agente`)
-			ON UPDATE CASCADE,
 		FOREIGN KEY (`id_cluster`) REFERENCES tcluster(`id`)
 			ON UPDATE CASCADE
 ) engine=InnoDB DEFAULT CHARSET=utf8;