diff --git a/app/Models/Company.php b/app/Models/Company.php
index 006a09b0..2a3b2908 100644
--- a/app/Models/Company.php
+++ b/app/Models/Company.php
@@ -300,6 +300,10 @@ class Company extends Model implements HasMedia
         if ($this->invoices()->exists()) {
             $this->invoices->map(function ($invoice) {
                 $this->checkModelData($invoice);
+
+                if ($invoice->transactions()->exists()) {
+                    $invoice->transactions()->delete();
+                }
             });
 
             $this->invoices()->delete();
diff --git a/app/Models/Customer.php b/app/Models/Customer.php
index f5a5a104..8b6a5af6 100644
--- a/app/Models/Customer.php
+++ b/app/Models/Customer.php
@@ -139,7 +139,12 @@ class Customer extends Authenticatable implements HasMedia
             }
 
             if ($customer->invoices()->exists()) {
-                $customer->invoices()->delete();
+                $customer->invoices->map(function ($invoice) {
+                    if ($invoice->transactions()->exists()) {
+                        $invoice->transactions()->delete();
+                    }
+                    $invoice->delete();
+                });
             }
 
             if ($customer->payments()->exists()) {