diff --git a/README.md b/README.md
index 1c0a8fc..81b7287 100644
--- a/README.md
+++ b/README.md
@@ -54,14 +54,13 @@ if ($payment->validateResult($_GET) {
 ...
 ```
 
-Check payment on Success or Fail page:
+Check payment on Success page:
 ```php
 ...
 $payment = new \Idma\Robokassa\Payment(
     'john_doe', 'password1', 'password2', true
 );
 
-// if ($payment->validateFail($_GET) {
 if ($payment->validateSuccess($_GET) {
     $order = Orders::find($payment->getInvoiceId());
 
diff --git a/src/Payment.php b/src/Payment.php
index dece2e0..abe8096 100644
--- a/src/Payment.php
+++ b/src/Payment.php
@@ -137,18 +137,6 @@ public function validateSuccess($data)
         return $this->validate($data, 'payment');
     }
 
-    /**
-     * Validates on FailURL.
-     *
-     * @param  string $data query data
-     *
-     * @return bool
-     */
-    public function validateFail($data)
-    {
-        return $this->validate($data, 'payment');
-    }
-
     /**
      * Validates the Robokassa query.
      *