diff --git a/src/main/java/me/night0721/lilase/utils/HWIDUtils.java b/src/main/java/me/night0721/lilase/utils/HWIDUtils.java
deleted file mode 100644
index f2df8a1..0000000
--- a/src/main/java/me/night0721/lilase/utils/HWIDUtils.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package me.night0721.lilase.utils;
-
-import java.security.MessageDigest;
-
-public class HWIDUtils {
-    private static String bytesToHex(byte[] bytes) {
-        char[] hexChars = new char[bytes.length * 2];
-        for (int j = 0; j < bytes.length; j++) {
-            int v = bytes[j] & 0xFF;
-            hexChars[j * 2] = "0123456789ABCDEF".toCharArray()[v >>> 4];
-            hexChars[j * 2 + 1] = "0123456789ABCDEF".toCharArray()[v & 0xF];
-        }
-        return new String(hexChars);
-    }
-
-    public static String getID() {
-        try {
-            MessageDigest hash = MessageDigest.getInstance("MD5");
-            String s = System.getProperty("os.name") + System.getProperty("os.arch") + System.getProperty("os.version") + Runtime.getRuntime().availableProcessors() + System.getenv("PROCESSOR_IDENTIFIER") + System.getenv("PROCESSOR_REVISION") + System.getenv("USERNAME") + System.getenv("PROCESSOR_LEVEL") + System.getenv("windir");
-            return bytesToHex(hash.digest(s.getBytes()));
-        } catch (Exception ignored) {
-            return "";
-        }
-    }
-}