diff --git a/backend/core/Security/EncryptionHelper.php b/backend/core/Security/EncryptionHelper.php
index 12b7eada..86e73e31 100644
--- a/backend/core/Security/EncryptionHelper.php
+++ b/backend/core/Security/EncryptionHelper.php
@@ -53,32 +53,6 @@ class EncryptionHelper
         $decoded = base64_decode($cipherText, true);
         if ($decoded === false) return false;
 
-        // محاولة أولى: استخراج IV عشوائي من أول 16 بايت (كما كان في encrypt_decrypt.php)
-        if (strlen($decoded) >= 16) {
-            $iv = substr($decoded, 0, 16);
-            $payload = substr($decoded, 16);
-            if (strlen($payload) > 0) {
-                $decrypted_rand = openssl_decrypt($payload, self::ALGO_CBC, $this->key, OPENSSL_RAW_DATA, $iv);
-                if ($decrypted_rand !== false) {
-                    $pad = ord($decrypted_rand[strlen($decrypted_rand) - 1]);
-                    if ($pad >= 1 && $pad <= 16) {
-                        // Check if padding is valid
-                        $isValidPad = true;
-                        for ($i = 1; $i <= $pad; $i++) {
-                            if (ord($decrypted_rand[strlen($decrypted_rand) - $i]) !== $pad) {
-                                $isValidPad = false;
-                                break;
-                            }
-                        }
-                        if ($isValidPad) {
-                            return substr($decrypted_rand, 0, -$pad);
-                        }
-                    }
-                }
-            }
-        }
-
-        // محاولة ثانية: IV ثابت
         $decrypted = openssl_decrypt($decoded, self::ALGO_CBC, $this->key, OPENSSL_RAW_DATA, $this->cbcIv);
         if ($decrypted === false) return false;