diff --git a/main_form.cs b/main_form.cs
index 1ed51e4..6bab97e 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -100,8 +100,7 @@ namespace KRY_0x01_ng
             TextBox tb_pruned_k = textBox2;
             TextBox tb_nualph = textBox3;
             tb_pruned_k.Text = str_to_check;
-            char[] transient_alph = new char[25];
-            transient_alph = alphabet.Except(str_to_check.ToArray()).ToArray();
+            char[] transient_alph = alphabet.Except(str_to_check.ToArray()).ToArray();
             string transientalph_str = "";
             for (int i = 0; i < transient_alph.Length; i++)
             {