diff --git a/api/src/chat/services/block.service.ts b/api/src/chat/services/block.service.ts
index 4483951b..d61333d2 100644
--- a/api/src/chat/services/block.service.ts
+++ b/api/src/chat/services/block.service.ts
@@ -793,8 +793,6 @@ export class BlockService extends BaseService<
    *
    * @param _query - The Mongoose query object used for deletion.
    * @param criteria - The filter criteria for finding the labels to be deleted.
-   *
-   * @returns {Promise<void>} A promise that resolves once the event is emitted.
    */
   @OnEvent('hook:label:preDelete')
   async handleLabelPreDelete(
diff --git a/api/src/chat/services/subscriber.service.ts b/api/src/chat/services/subscriber.service.ts
index 883c7dab..9d8457b0 100644
--- a/api/src/chat/services/subscriber.service.ts
+++ b/api/src/chat/services/subscriber.service.ts
@@ -265,8 +265,6 @@ export class SubscriberService extends BaseService<
    *
    * @param _query - The Mongoose query object used for deletion.
    * @param criteria - The filter criteria for finding the labels to be deleted.
-   *
-   * @returns {Promise<void>} A promise that resolves once the event is emitted.
    */
   @OnEvent('hook:label:preDelete')
   async handleLabelDelete(
diff --git a/api/src/nlp/repositories/nlp-entity.repository.spec.ts b/api/src/nlp/repositories/nlp-entity.repository.spec.ts
index fee29fc6..8c77bc7b 100644
--- a/api/src/nlp/repositories/nlp-entity.repository.spec.ts
+++ b/api/src/nlp/repositories/nlp-entity.repository.spec.ts
@@ -123,8 +123,8 @@ describe('NlpEntityRepository', () => {
     it('should delete a nlp entity', async () => {
       nlpValueRepository.eventEmitter.once(
         'hook:nlpEntity:preDelete',
-        async (...args) => {
-          await nlpService.handleEntityDelete(args[0], args[1]);
+        async (...[query, criteria]) => {
+          await nlpService.handleEntityDelete(query, criteria);
         },
       );
       const intentNlpEntity = await nlpEntityRepository.findOne({
diff --git a/api/src/nlp/repositories/nlp-value.repository.spec.ts b/api/src/nlp/repositories/nlp-value.repository.spec.ts
index 98f8db3c..5774407e 100644
--- a/api/src/nlp/repositories/nlp-value.repository.spec.ts
+++ b/api/src/nlp/repositories/nlp-value.repository.spec.ts
@@ -178,8 +178,8 @@ describe('NlpValueRepository', () => {
     it('should delete a nlp Value', async () => {
       nlpValueRepository.eventEmitter.once(
         'hook:nlpValue:preDelete',
-        async (...args) => {
-          await nlpService.handleValueDelete(args[0], args[1]);
+        async (...[query, criteria]) => {
+          await nlpService.handleValueDelete(query, criteria);
         },
       );
       const result = await nlpValueRepository.deleteOne(nlpValues[1].id);
diff --git a/api/src/nlp/services/nlp.service.ts b/api/src/nlp/services/nlp.service.ts
index 0760b8bc..728c56c5 100644
--- a/api/src/nlp/services/nlp.service.ts
+++ b/api/src/nlp/services/nlp.service.ts
@@ -123,12 +123,16 @@ export class NlpService {
   }
 
   /**
-   * Handles the event triggered when an NLP entity is deleted. Synchronizes the deletion with the external NLP provider.
+   * Before deleting a `nlpEntity`, this method deletes the related `nlpValue` and `nlpSampleEntity`. Synchronizes the deletion with the external NLP provider
    *
-   * @param entity - The NLP entity to be deleted.
+   * @param _query - The Mongoose query object used for deletion.
+   * @param criteria - The filter criteria for finding the nlpEntities to be deleted.
    */
   @OnEvent('hook:nlpEntity:preDelete')
-  async handleEntityDelete(_query: unknown, criteria: TFilterQuery<NlpEntity>) {
+  async handleEntityDelete(
+    _query: unknown,
+    criteria: TFilterQuery<NlpEntity>,
+  ): Promise<void> {
     if (criteria._id) {
       await this.nlpValueService.deleteMany({ entity: criteria._id });
       await this.nlpSampleEntityService.deleteMany({ entity: criteria._id });
@@ -216,12 +220,16 @@ export class NlpService {
   }
 
   /**
-   * Handles the event triggered when an NLP value is deleted. Synchronizes the deletion with the external NLP provider.
+   * Before deleting a `nlpValue`, this method deletes the related `nlpSampleEntity`. Synchronizes the deletion with the external NLP provider
    *
-   * @param value - The NLP value to be deleted.
+   * @param _query - The Mongoose query object used for deletion.
+   * @param criteria - The filter criteria for finding the nlpValues to be deleted.
    */
   @OnEvent('hook:nlpValue:preDelete')
-  async handleValueDelete(_query: unknown, criteria: TFilterQuery<NlpValue>) {
+  async handleValueDelete(
+    _query: unknown,
+    criteria: TFilterQuery<NlpValue>,
+  ): Promise<void> {
     if (criteria._id) {
       await this.nlpSampleEntityService.deleteMany({
         value: criteria._id,