diff --git a/application/controllers/Backend_api.php b/application/controllers/Backend_api.php
index f80cf25b..2ab0f963 100755
--- a/application/controllers/Backend_api.php
+++ b/application/controllers/Backend_api.php
@@ -556,7 +556,7 @@ class Backend_api extends EA_Controller {
 
             $provider = $this->providers_model->find($unavailable['id_users_provider']);
 
-            $this->appointments_model->delete_unavailable($unavailable['id']);
+            $this->appointments_model->delete($unavailable['id']);
 
             // Google Sync
             try
diff --git a/application/controllers/api/v1/Unavailabilities.php b/application/controllers/api/v1/Unavailabilities.php
index a5f36757..b5c01c25 100644
--- a/application/controllers/api/v1/Unavailabilities.php
+++ b/application/controllers/api/v1/Unavailabilities.php
@@ -137,7 +137,7 @@ class Unavailabilities extends API_V1_Controller {
         }
         catch (Throwable $e)
         {
-            $this->handle_exception($exception);
+            $this->handle_exception($e);
         }
     }
 
@@ -150,7 +150,7 @@ class Unavailabilities extends API_V1_Controller {
     {
         try
         {
-            $result = $this->appointments_model->delete_unavailable($id);
+            $result = $this->appointments_model->delete($id);
 
             $response = new Response([
                 'code' => 200,
diff --git a/application/models/Appointments_model.php b/application/models/Appointments_model.php
index 1383302e..bd40bfc1 100644
--- a/application/models/Appointments_model.php
+++ b/application/models/Appointments_model.php
@@ -352,18 +352,6 @@ class Appointments_model extends EA_Model {
         }
     }
 
-    /**
-     * Remove an existing unavailable from the database.
-     *
-     * @param int $unavailable_id Record id to be deleted.
-     *
-     * @return bool Returns the delete operation result.
-     */
-    public function delete_unavailable(int $unavailable_id): bool
-    {
-        return $this->db->delete('appointments', ['id' => $unavailable_id]);
-    }
-
     /**
      * Remove all the Google Calendar event IDs from appointment records.
      *