diff --git a/src/remote-container.ts b/src/remote-container.ts
index 8c22f8b..96baead 100644
--- a/src/remote-container.ts
+++ b/src/remote-container.ts
@@ -289,18 +289,6 @@ export default class RemoteContainer {
         reject(error);
       });
 
-      // 由于使用了 stdio: 'ignore'，这些事件监听器不再需要
-      // sshProcess.stdout.on('data', (data: Buffer) => {
-      //   console.log(`[SSH stdout] ${data.toString()}`);
-      // });
-
-      // sshProcess.stderr.on('data', (data: Buffer) => {
-      //   console.error(`[SSH stderr] ${data.toString()}`);
-      // });
-
-      // 注意：由于进程已 detached 和 unref，不再需要保存到 sshProcesses Map
-      // 因为我们无法也不需要控制这些独立进程的生命周期
-
       // 等待 SSH 连接建立
       setTimeout(() => {
         resolve();
diff --git a/src/utils.ts b/src/utils.ts
index e852352..9c7910d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,12 +1,7 @@
-import * as http from 'http';
-import * as https from 'https';
 import * as vscode from 'vscode';
 import * as os from 'os';
 import { exec } from 'child_process';
 
-const {
-  generateKeyPairSync,
-} = require('node:crypto')
 const axios = require('axios');
 const cheerio = require('cheerio');
 
@@ -23,36 +18,6 @@ export function isMacOS(): boolean {
   return os.platform() === 'darwin';
 }
 
-
-export function fetch(url: string): Promise<string> {
-  // determine the library to use (based on the url protocol)
-  const lib = url.startsWith('https://') ? https : http;
-
-  return new Promise((resolve, reject) => {
-    lib.get(url, (response) => {
-      // make sure the status code is 200
-      if (response.statusCode !== 200) {
-        reject(new Error(`Failed to load page, status code: ${response.statusCode}`));
-        return;
-      }
-
-      let data = '';
-      response.on('data', (chunk) => {
-        data += chunk;
-      });
-      response.on('end', () => {
-        resolve(data);
-      });
-    }).on('error', (err) => {
-      reject(err);
-    });
-  });
-}
-
-export const Sleep = (ms: number) => {
-  return new Promise(resolve => setTimeout(resolve, ms))
-}
-
 export async function getVsCodeCommitId(): Promise<string> {
   if (isLinux() || isMacOS()) {
     return new Promise<string>((resolve) => {
@@ -131,71 +96,4 @@ export async function powershellVersion(): Promise<string> {
       resolve(stdout.trim());
     });
   });
-}
-
-/**
- * 在远程环境下，通过执行本地命令来检测本地系统信息
- * 不依赖 os.platform()，因为在远程环境下它返回的是远程系统类型
- */
-export async function detectLocalSystemInfo(): Promise<{
-  isWindows: boolean;
-  isLinux: boolean;
-  isMac: boolean;
-  powershellVersion?: string;
-}> {
-  return new Promise((resolve, reject) => {
-    const timeout = setTimeout(() => {
-      reject(new Error('系统检测超时'));
-    }, 3000);
-
-    // 尝试执行 PowerShell 命令来检测是否为 Windows
-    exec('powershell -Command "$PSVersionTable.PSVersion.ToString()"', (error, stdout, stderr) => {
-      clearTimeout(timeout);
-
-      if (!error && stdout && !stderr) {
-        // PowerShell 命令成功执行，说明是 Windows 系统
-        resolve({
-          isWindows: true,
-          isLinux: false,
-          isMac: false,
-          powershellVersion: stdout.trim()
-        });
-      } else {
-        // PowerShell 命令失败，尝试检测 Unix 系统类型
-        exec('uname -s', (unameError, unameStdout) => {
-          if (!unameError && unameStdout) {
-            const osType = unameStdout.trim();
-            resolve({
-              isWindows: false,
-              isLinux: osType === 'Linux',
-              isMac: osType === 'Darwin',
-              powershellVersion: undefined
-            });
-          } else {
-            // 无法检测，返回默认值
-            resolve({
-              isWindows: false,
-              isLinux: false,
-              isMac: false,
-              powershellVersion: undefined
-            });
-          }
-        });
-      }
-    });
-  });
-}
-
-/**
- * 在远程环境下，通过本地终端实时检测 PowerShell 版本
- * 这样可以确保获取到最准确的版本信息，而不依赖于 globalState
- * @deprecated 使用 detectLocalSystemInfo 替代
- */
-export async function detectLocalPowershellVersion(): Promise<string> {
-  try {
-    const systemInfo = await detectLocalSystemInfo();
-    return systemInfo.powershellVersion || '';
-  } catch (error) {
-    return '';
-  }
 }
\ No newline at end of file