diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index f23b04966608..eaf62b4b8fc1 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -658,7 +658,8 @@ class InvoiceController extends BaseController
                 // code...
                 break;
             case 'mark_paid':
-                if ($invoice->balance < 0 || $invoice->status_id == Invoice::STATUS_PAID || $invoice->is_deleted === true) {
+                if ($invoice->status_id == Invoice::STATUS_PAID || $invoice->is_deleted === true) {
+                // if ($invoice->balance < 0 || $invoice->status_id == Invoice::STATUS_PAID || $invoice->is_deleted === true) {
                     return $this->errorResponse(['message' => ctrans('texts.invoice_cannot_be_marked_paid')], 400);
                 }
 
diff --git a/app/Http/Requests/Invoice/UpdateInvoiceRequest.php b/app/Http/Requests/Invoice/UpdateInvoiceRequest.php
index d008d7a36bee..10d8665a9609 100644
--- a/app/Http/Requests/Invoice/UpdateInvoiceRequest.php
+++ b/app/Http/Requests/Invoice/UpdateInvoiceRequest.php
@@ -58,8 +58,8 @@ class UpdateInvoiceRequest extends Request
         $rules['line_items'] = 'array';
         $rules['discount']  = 'sometimes|numeric';
 
-        if($this->input('status_id') != Invoice::STATUS_DRAFT)
-            $rules['balance'] = new InvoiceBalanceSanity($this->invoice, $this->all());
+        // if($this->input('status_id') != Invoice::STATUS_DRAFT)
+        //     $rules['balance'] = new InvoiceBalanceSanity($this->invoice, $this->all());
 
         return $rules;
     }
diff --git a/app/Services/Invoice/MarkPaid.php b/app/Services/Invoice/MarkPaid.php
index 90d51588c412..026892f495ba 100644
--- a/app/Services/Invoice/MarkPaid.php
+++ b/app/Services/Invoice/MarkPaid.php
@@ -88,7 +88,6 @@ class MarkPaid extends AbstractService
         $this->invoice
                 ->service()
                 ->applyNumber()
-                // ->deletePdf()
                 ->touchPdf()
                 ->save();