diff --git a/lib/middleware.js b/lib/middleware.js
index 23e2220cf..407b02c81 100644
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -1,7 +1,7 @@
 'use strict';
 
+const path = require('path');
 const mime = require('mime');
-const urlJoin = require('url-join');
 const DevMiddlewareError = require('./DevMiddlewareError');
 const { getFilenameFromUrl, handleRangeHeaders, handleRequest, ready } = require('./util');
 
@@ -51,7 +51,7 @@ module.exports = function wrapper(context) {
                 throw new DevMiddlewareError('next');
               }
 
-              filename = urlJoin(filename, index);
+              filename = path.posix.join(filename, index);
               stat = context.fs.statSync(filename);
               if (!stat.isFile()) {
                 throw new DevMiddlewareError('next');
diff --git a/lib/util.js b/lib/util.js
index 1ca5437ee..582218179 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -1,10 +1,10 @@
 'use strict';
 
+const path = require('path');
 const { parse } = require('url');
 const querystring = require('querystring');
 const pathabs = require('path-is-absolute');
 const parseRange = require('range-parser');
-const urlJoin = require('url-join');
 
 const HASH_REGEXP = /[0-9a-f]{10,}/;
 
@@ -92,7 +92,7 @@ module.exports = {
     if (process.platform === 'win32') {
       // Path Handling for Microsoft Windows
       if (filename) {
-        uri = urlJoin((outputPath || ''), querystring.unescape(filename));
+        uri = path.posix.join((outputPath || ''), querystring.unescape(filename));
 
         if (!pathabs.win32(uri)) {
           uri = `/${uri}`;
@@ -104,7 +104,7 @@ module.exports = {
 
     // Path Handling for all other operating systems
     if (filename) {
-      uri = urlJoin((outputPath || ''), filename);
+      uri = path.posix.join((outputPath || ''), filename);
 
       if (!pathabs.posix(uri)) {
         uri = `/${uri}`;
diff --git a/package.json b/package.json
index cedf34803..fd0a1131e 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,6 @@
     "mime": "^2.3.1",
     "path-is-absolute": "^1.0.0",
     "range-parser": "^1.0.3",
-    "url-join": "^4.0.0",
     "webpack-log": "^2.0.0"
   },
   "devDependencies": {
diff --git a/test/tests/util.js b/test/tests/util.js
index c6bafe85f..ce7815345 100644
--- a/test/tests/util.js
+++ b/test/tests/util.js
@@ -262,6 +262,12 @@ describe('GetFilenameFromUrl', () => {
       outputPath: '/root',
       publicPath: '/test/',
       expected: '/root/sample.txt'
+    },
+    {
+      url: '/test/sample.txt',
+      outputPath: '/test/#leadinghash',
+      publicPath: '/',
+      expected: '/test/#leadinghash/test/sample.txt'
     }
   ];