diff --git a/ArcFormats/DxLib/ArcDX.cs b/ArcFormats/DxLib/ArcDX.cs
index 79073490..f740ddd6 100644
--- a/ArcFormats/DxLib/ArcDX.cs
+++ b/ArcFormats/DxLib/ArcDX.cs
@@ -313,8 +313,8 @@ namespace GameRes.Formats.DxLib
 
         internal static void Decrypt (byte[] data, int index, int count, long offset, byte[] key)
         {
-            if (key.Length !=0)
-            {
+            if (key.Length == 0)
+                return;
                 int key_pos = (int)(offset % key.Length);
                 for (int i = 0; i < count; ++i)
                 {
@@ -322,7 +322,6 @@ namespace GameRes.Formats.DxLib
                     if (key.Length == key_pos)
                         key_pos = 0;
                 }
-            }
         }
 
         public override ResourceScheme Scheme
diff --git a/ArcFormats/DxLib/DxKey.cs b/ArcFormats/DxLib/DxKey.cs
index 6e7df16f..6fdcccff 100644
--- a/ArcFormats/DxLib/DxKey.cs
+++ b/ArcFormats/DxLib/DxKey.cs
@@ -26,6 +26,7 @@
 using System;
 using System.Linq;
 using System.Security.Cryptography;
+using System.Text;
 using System.Xml.Linq;
 using GameRes.Utility;
 
@@ -183,8 +184,8 @@ namespace GameRes.Formats.DxLib
             oddString = string.Concat(keyword.Where((c, i) => i % 2 == 0));
             evenString = string.Concat(keyword.Where((c, i) => (i+1) % 2 == 0));
             UInt32 crc_0, crc_1;
-            crc_0 = Crc32.Compute(Encodings.ASCII.GetBytes(oddString), 0, oddString.Length);
-            crc_1 = Crc32.Compute(Encodings.ASCII.GetBytes(evenString), 0, evenString.Length);
+            crc_0 = Crc32.Compute(Encoding.ASCII.GetBytes(oddString), 0, oddString.Length);
+            crc_1 = Crc32.Compute(Encoding.ASCII.GetBytes(evenString), 0, evenString.Length);
             byte[] crc_0_Bytes = BitConverter.GetBytes(crc_0),crc_1_Bytes=BitConverter.GetBytes(crc_1);
             key[0] = crc_0_Bytes[0];
             key[1] = crc_0_Bytes[1];
diff --git a/ArcFormats/Properties/Settings.Designer.cs b/ArcFormats/Properties/Settings.Designer.cs
index 192f7036..7844d50b 100644
--- a/ArcFormats/Properties/Settings.Designer.cs
+++ b/ArcFormats/Properties/Settings.Designer.cs
@@ -1,10 +1,10 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     Ten kod został wygenerowany przez narzędzie.
-//     Wersja wykonawcza:4.0.30319.42000
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
 //
-//     Zmiany w tym pliku mogą spowodować nieprawidłowe zachowanie i zostaną utracone, jeśli
-//     kod zostanie ponownie wygenerowany.
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
diff --git a/GameRes/ArcView.cs b/GameRes/ArcView.cs
index 3ec59a73..4cd3a533 100644
--- a/GameRes/ArcView.cs
+++ b/GameRes/ArcView.cs
@@ -34,7 +34,6 @@ namespace GameRes
     public static class Encodings
     {
         public static readonly Encoding cp932 = Encoding.GetEncoding(932);
-        public static readonly Encoding ASCII = Encoding.ASCII;
 
         public static Encoding WithFatalFallback (this Encoding enc)
         {