diff --git a/application/models/Admins_model.php b/application/models/Admins_model.php
index bc041687..10baf1e5 100644
--- a/application/models/Admins_model.php
+++ b/application/models/Admins_model.php
@@ -194,7 +194,10 @@ class Admins_model extends EA_Model {
         $admin['id_roles'] = $this->get_admin_role_id();
 
         $settings = $admin['settings'];
-        unset($admin['settings']);
+        
+        unset(
+            $admin['settings']
+        );
 
         $admin['create_datetime'] = date('Y-m-d H:i:s');
         $admin['update_datetime'] = date('Y-m-d H:i:s');
@@ -225,8 +228,12 @@ class Admins_model extends EA_Model {
     protected function update(array $admin): int
     {
         $settings = $admin['settings'];
+        
         $settings['id_users'] = $admin['id'];
-        unset($admin['settings']);
+        
+        unset(
+            $admin['settings']
+        );
 
         if ( ! empty($settings['password']))
         {
diff --git a/application/models/Providers_model.php b/application/models/Providers_model.php
index 00977eb2..d754f0d4 100755
--- a/application/models/Providers_model.php
+++ b/application/models/Providers_model.php
@@ -211,10 +211,13 @@ class Providers_model extends EA_Model {
         $provider['id_roles'] = $this->get_provider_role_id();
 
         $service_ids = $provider['services'];
-        unset($provider['services']);
 
         $settings = $provider['settings'];
-        unset($provider['settings']);
+        
+        unset(
+            $provider['services'],
+            $provider['settings']
+        );
 
         if ( ! $this->db->insert('users', $provider))
         {
@@ -245,10 +248,13 @@ class Providers_model extends EA_Model {
         $provider['update_datetime'] = date('Y-m-d H:i:s');
         
         $service_ids = $provider['services'];
-        unset($provider['services']);
 
         $settings = $provider['settings'];
-        unset($provider['settings']);
+
+        unset(
+            $provider['services'],
+            $provider['settings']
+        );
 
         if (isset($settings['password']))
         {
diff --git a/application/models/Secretaries_model.php b/application/models/Secretaries_model.php
index 2eb9532d..fb54fcfb 100644
--- a/application/models/Secretaries_model.php
+++ b/application/models/Secretaries_model.php
@@ -209,12 +209,14 @@ class Secretaries_model extends EA_Model {
         
         $secretary['id_roles'] = $this->get_secretary_role_id();
 
-        $providers = $secretary['providers'] ?? [];
-        unset($secretary['providers']);
+        $provider_ids = $secretary['providers'] ?? [];
 
         $settings = $secretary['settings'];
-        unset($secretary['settings']);
 
+        unset(
+            $secretary['providers'],
+            $secretary['settings']
+        );
 
         if ( ! $this->db->insert('users', $secretary))
         {
@@ -226,7 +228,7 @@ class Secretaries_model extends EA_Model {
         $settings['password'] = hash_password($settings['salt'], $settings['password']);
 
         $this->save_settings($secretary['id'], $settings);
-        $this->save_provider_ids($secretary['id'], $providers);
+        $this->save_provider_ids($secretary['id'], $provider_ids);
 
         return $secretary['id'];
     }
@@ -245,10 +247,13 @@ class Secretaries_model extends EA_Model {
         $secretary['update_datetime'] = date('Y-m-d H:i:s');
         
         $provider_ids = $secretary['providers'] ?? [];
-        unset($secretary['providers']);
 
         $settings = $secretary['settings'];
-        unset($secretary['settings']);
+
+        unset(
+            $secretary['providers'],
+            $secretary['settings']
+        );
 
         if (isset($settings['password']))
         {