diff --git a/db/dump/fixtures.after.sql b/db/dump/fixtures.after.sql
index a276422e3..1353e481b 100644
--- a/db/dump/fixtures.after.sql
+++ b/db/dump/fixtures.after.sql
@@ -7,8 +7,8 @@ SET foreign_key_checks = 0;
 
 -- XXX: vn-database
 
-INSERT INTO util.config (id, environment, mockTime, mockUtcTime, mockEnabled, daysKeepDeprecatedObjects)
-    VALUES (1, 'local', '2001-01-01 12:00:00', '2001-01-01 11:00:00', TRUE, 60);
+INSERT INTO util.config (id, environment, mockTime, mockUtcTime, mockEnabled, dateRegex, deprecatedMarkRegex, daysKeepDeprecatedObjects)
+    VALUES (1, 'local', '2001-01-01 12:00:00', '2001-01-01 11:00:00', TRUE, '[0-9]{4}-[0-9]{2}-[0-9]{2}', '__$', 60);
 
 INSERT INTO util.binlogQueue (code,logName, `position`)
     VALUES ('mylogger', 'bin.000001', 4);
diff --git a/db/routines/util/procedures/deleteDeprecatedObjects.sql b/db/routines/util/procedures/deleteDeprecatedObjects.sql
index 5911e0ab0..729f3faf1 100644
--- a/db/routines/util/procedures/deleteDeprecatedObjects.sql
+++ b/db/routines/util/procedures/deleteDeprecatedObjects.sql
@@ -6,11 +6,9 @@ BEGIN
  * Elimina objetos deprecados de la base de datos
  */
 	DECLARE vQuery TEXT;
-	DECLARE vDated DATE
-		DEFAULT (
-			SELECT VN_CURDATE() - INTERVAL daysKeepDeprecatedObjects DAY
-				FROM config
-		);
+	DECLARE vDated DATE;
+	DECLARE vDateRegex VARCHAR(255);
+	DECLARE vMarkRegex VARCHAR(255);
 	DECLARE vDone BOOL;
 
 	DECLARE vObjects CURSOR FOR
@@ -21,8 +19,8 @@ BEGIN
 				JOIN information_schema.STATISTICS s ON s.TABLE_SCHEMA = c.TABLE_SCHEMA
 					AND s.TABLE_NAME = c.TABLE_NAME
 					AND s.COLUMN_NAME = c.COLUMN_NAME
-			WHERE c.COLUMN_NAME LIKE '%\_\_'
-				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, '[0-9]{4}-[0-9]{2}-[0-9]{2}') < vDated
+			WHERE c.COLUMN_NAME REGEXP vMarkRegex COLLATE utf8mb3_unicode_ci
+				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, vDateRegex COLLATE utf8mb3_unicode_ci) < vDated
 				AND v.TABLE_NAME IS NULL
 				AND s.INDEX_NAME = 'PRIMARY'
 		UNION ALL
@@ -33,8 +31,8 @@ BEGIN
 				JOIN information_schema.KEY_COLUMN_USAGE kcu ON kcu.TABLE_SCHEMA = c.TABLE_SCHEMA
 					AND kcu.TABLE_NAME = c.TABLE_NAME
 					AND kcu.COLUMN_NAME = c.COLUMN_NAME
-			WHERE c.COLUMN_NAME LIKE '%\_\_'
-				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, '[0-9]{4}-[0-9]{2}-[0-9]{2}') < vDated
+			WHERE c.COLUMN_NAME REGEXP vMarkRegex COLLATE utf8mb3_unicode_ci
+				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, vDateRegex COLLATE utf8mb3_unicode_ci) < vDated
 				AND v.TABLE_NAME IS NULL
 				AND kcu.REFERENCED_COLUMN_NAME IS NOT NULL
 		UNION ALL
@@ -45,20 +43,20 @@ BEGIN
 				LEFT JOIN information_schema.KEY_COLUMN_USAGE kcu ON kcu.TABLE_SCHEMA = c.TABLE_SCHEMA
 					AND kcu.TABLE_NAME = c.TABLE_NAME
 					AND kcu.COLUMN_NAME = c.COLUMN_NAME
-			WHERE c.COLUMN_NAME LIKE '%\_\_'
-				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, '[0-9]{4}-[0-9]{2}-[0-9]{2}') < vDated
+			WHERE c.COLUMN_NAME REGEXP vMarkRegex COLLATE utf8mb3_unicode_ci
+				AND REGEXP_SUBSTR(c.COLUMN_COMMENT, vDateRegex COLLATE utf8mb3_unicode_ci) < vDated
 				AND v.TABLE_NAME IS NULL
 		UNION ALL
 		SELECT CONCAT('DROP TABLE ', TABLE_SCHEMA, '.', TABLE_NAME, ';')
 			FROM information_schema.TABLES
-			WHERE TABLE_NAME LIKE '%\_\_'
-				AND REGEXP_SUBSTR(TABLE_COMMENT, '[0-9]{4}-[0-9]{2}-[0-9]{2}') < vDated;
+			WHERE TABLE_NAME REGEXP vMarkRegex COLLATE utf8mb3_unicode_ci
+				AND REGEXP_SUBSTR(TABLE_COMMENT, vDateRegex COLLATE utf8mb3_unicode_ci) < vDated;
 
 	DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;
 
 	DECLARE EXIT HANDLER FOR SQLEXCEPTION
 	BEGIN
-		CALL mail_insert(
+		CALL vn.mail_insert(
 			'cau@verdnatura.es',
 			NULL,
 			'Error en la eliminación automática de objetos deprecados',
@@ -68,8 +66,16 @@ BEGIN
 		RESIGNAL;
 	END;
 
-	IF vDated IS NULL THEN
-		CALL throw('Variable config not set');
+	SELECT dateRegex,
+			deprecatedMarkRegex,
+			VN_CURDATE() - INTERVAL daysKeepDeprecatedObjects DAY
+		INTO vDateRegex,
+				vMarkRegex,
+				vDated
+			FROM config;
+
+	IF vDateRegex IS NULL OR vMarkRegex IS NULL OR vDated IS NULL THEN
+		CALL throw('Some config parameters are not set');
 	END IF;
 
 	OPEN vObjects;
diff --git a/db/versions/11113-bronzeDendro/00-firstScript.sql b/db/versions/11113-bronzeDendro/00-firstScript.sql
index b9a324c5e..98ac69966 100644
--- a/db/versions/11113-bronzeDendro/00-firstScript.sql
+++ b/db/versions/11113-bronzeDendro/00-firstScript.sql
@@ -1,8 +1,12 @@
 ALTER TABLE util.config
+	ADD COLUMN dateRegex varchar(255) NULL COMMENT 'Expresión regular para obtener las fechas.',
+	ADD deprecatedMarkRegex varchar(255) NULL COMMENT 'Expresión regular para obtener los objetos deprecados.',
 	ADD daysKeepDeprecatedObjects int(11) unsigned NULL COMMENT 'Número de días que se mantendrán los objetos deprecados.';
 
 UPDATE IGNORE util.config
-	SET daysKeepDeprecatedObjects = 60;
+	SET dateRegex = '[0-9]{4}-[0-9]{2}-[0-9]{2}',
+		deprecatedMarkRegex = '__$',
+		daysKeepDeprecatedObjects = 60;
 
 ALTER TABLE IF EXISTS `vn`.`payrollWorker`
 	MODIFY COLUMN IF EXISTS `nss__` varchar(23) NOT NULL COMMENT '@deprecated 2024-03-15 refs #6738',