diff --git a/application/controllers/api/v1/Appointments.php b/application/controllers/api/v1/Appointments.php
index ccf23fdb..df0efc49 100644
--- a/application/controllers/api/v1/Appointments.php
+++ b/application/controllers/api/v1/Appointments.php
@@ -207,9 +207,13 @@ class Appointments extends API_V1_Controller {
         try
         {
             $appointment = $this->appointments_model->find($id);
+            
             $service = $this->services_model->find($appointment['id_services']);
+            
             $provider = $this->providers_model->find($appointment['id_users_provider']);
+            
             $customer = $this->customers_model->find($appointment['id_users_customer']);
+            
             $settings = [
                 'company_name' => setting('company_name'),
                 'company_email' => setting('company_email'),
@@ -221,6 +225,7 @@ class Appointments extends API_V1_Controller {
             $this->appointments_model->delete($id);
 
             $this->synchronization->sync_appointment_deleted($appointment, $provider);
+            
             $this->notifications->notify_appointment_deleted($appointment, $service, $provider, $customer, $settings);
 
             $response = new Response([
diff --git a/application/controllers/api/v1/Categories.php b/application/controllers/api/v1/Categories.php
index 284adef9..1c2bfdb2 100644
--- a/application/controllers/api/v1/Categories.php
+++ b/application/controllers/api/v1/Categories.php
@@ -150,7 +150,7 @@ class Categories extends API_V1_Controller {
     {
         try
         {
-            $result = $this->services_model->delete_category($id);
+            $this->services_model->delete_category($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/controllers/api/v1/Customers.php b/application/controllers/api/v1/Customers.php
index 76a53656..71c1322f 100644
--- a/application/controllers/api/v1/Customers.php
+++ b/application/controllers/api/v1/Customers.php
@@ -150,7 +150,7 @@ class Customers extends API_V1_Controller {
     {
         try
         {
-            $result = $this->customers_model->delete($id);
+            $this->customers_model->delete($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/controllers/api/v1/Providers.php b/application/controllers/api/v1/Providers.php
index 5320310e..cb8177fd 100644
--- a/application/controllers/api/v1/Providers.php
+++ b/application/controllers/api/v1/Providers.php
@@ -165,7 +165,7 @@ class Providers extends API_V1_Controller {
     {
         try
         {
-            $result = $this->providers_model->delete($id);
+            $this->providers_model->delete($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/controllers/api/v1/Secretaries.php b/application/controllers/api/v1/Secretaries.php
index 91f13565..0de27b2d 100644
--- a/application/controllers/api/v1/Secretaries.php
+++ b/application/controllers/api/v1/Secretaries.php
@@ -160,7 +160,7 @@ class Secretaries extends API_V1_Controller {
     {
         try
         {
-            $result = $this->secretaries_model->delete($id);
+            $this->secretaries_model->delete($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/controllers/api/v1/Services.php b/application/controllers/api/v1/Services.php
index 639a415c..82793129 100644
--- a/application/controllers/api/v1/Services.php
+++ b/application/controllers/api/v1/Services.php
@@ -150,7 +150,7 @@ class Services extends API_V1_Controller {
     {
         try
         {
-            $result = $this->services_model->delete($id);
+            $this->services_model->delete($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/controllers/api/v1/Unavailabilities.php b/application/controllers/api/v1/Unavailabilities.php
index 377533f5..a0c9965d 100644
--- a/application/controllers/api/v1/Unavailabilities.php
+++ b/application/controllers/api/v1/Unavailabilities.php
@@ -150,7 +150,7 @@ class Unavailabilities extends API_V1_Controller {
     {
         try
         {
-            $result = $this->appointments_model->delete($id);
+            $this->appointments_model->delete($id);
 
             $response = new Response([
                 'code' => 200,