diff --git a/apps/remix-ide/src/assets/js/fileSystem.js b/apps/remix-ide/src/assets/js/fileSystem.js
deleted file mode 100644
index a733c44e32..0000000000
--- a/apps/remix-ide/src/assets/js/fileSystem.js
+++ /dev/null
@@ -1,29 +0,0 @@
-class remixFileSystem extends LightningFS {
-    constructor(...t) {
-        super(...t)
-        this.promises = {
-            ...this.promises,
-            exists: async (path) => {
-                return new Promise((resolve, reject) => {
-                    this.promises.stat(path).then(() => resolve(true)).catch(() => resolve(false))
-                })
-            },
-            statSync: async (path) => {
-                return new Promise((resolve, reject) => {
-                    console.log("stat", path)
-                    this.promises.stat(path).then((stat) => {
-                        console.log("stat", stat)
-                        resolve({
-                            isDirectory: () => {
-                                return stat.type === 'dir'
-                            },
-                            isFile: () => {
-                                return stat.type === 'file'
-                            },
-                        })
-                    }).catch(() => reject(false))
-                })
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/apps/remix-ide/src/assets/js/init.js b/apps/remix-ide/src/assets/js/init.js
new file mode 100644
index 0000000000..6c175c1517
--- /dev/null
+++ b/apps/remix-ide/src/assets/js/init.js
@@ -0,0 +1,90 @@
+/* eslint-disable prefer-promise-reject-errors */
+function urlParams () {
+  var qs = window.location.hash.substr(1)
+
+  if (window.location.search.length > 0) {
+    // use legacy query params instead of hash
+    window.location.hash = window.location.search.substr(1)
+    window.location.search = ''
+  }
+
+  var params = {}
+  var parts = qs.split('&')
+  for (var x in parts) {
+    var keyValue = parts[x].split('=')
+    if (keyValue[0] !== '') {
+      params[keyValue[0]] = keyValue[1]
+    }
+  }
+  return params
+}
+const defaultVersion = '0.8.0'
+const versionToLoad = urlParams().appVersion ? urlParams().appVersion : defaultVersion
+
+const assets = {
+  '0.8.0': ['https://use.fontawesome.com/releases/v5.8.1/css/all.css', 'assets/css/pygment_trac.css'],
+  '0.7.7': ['assets/css/font-awesome.min.css', 'assets/css/pygment_trac.css']
+}
+const versions = {
+  '0.7.7': 'assets/js/0.7.7/app.js', // commit 7b5c7ae3de935e0ccc32eadfd83bf7349478491e
+  '0.8.0': 'main.js'
+}
+for (const k in assets[versionToLoad]) {
+  const app = document.createElement('link')
+  app.setAttribute('rel', 'stylesheet')
+  app.setAttribute('href', assets[versionToLoad][k])
+  if (assets[versionToLoad][k] === 'https://use.fontawesome.com/releases/v5.8.1/css/all.css') {
+    app.setAttribute('integrity', 'sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf')
+    app.setAttribute('crossorigin', 'anonymous')
+  }
+  document.head.appendChild(app)
+}
+
+window.onload = () => {
+  /* BrowserFS.install(window)
+                    BrowserFS.configure({
+                        fs: "LocalStorage"
+                    }, function(e) {
+                        if (e) console.log(e)
+                        let app = document.createElement('script')
+                        app.setAttribute('src', versions[versionToLoad])
+                        document.body.appendChild(app)
+                        window.remixFileSystem = require('fs')
+                    }) */
+
+  // eslint-disable-next-line no-undef
+  class RemixFileSystem extends LightningFS {
+    constructor (...t) {
+      super(...t)
+      this.promises = {
+        ...this.promises,
+        exists: async (path) => {
+          return new Promise((resolve, reject) => {
+            this.promises.stat(path).then(() => resolve(true)).catch(() => resolve(false))
+          })
+        },
+        statExtended: async (path) => {
+          return new Promise((resolve, reject) => {
+            this.promises.stat(path).then((stat) => {
+              resolve({
+                isDirectory: () => {
+                  return stat.type === 'dir'
+                },
+                isFile: () => {
+                  return stat.type === 'file'
+                }
+              })
+            }).catch(() => reject(false))
+          })
+        }
+      }
+    }
+  }
+  window.remixFileSystemCallback = new RemixFileSystem()
+  window.remixFileSystemCallback.init('RemixFileSystem').then(() => {
+    window.remixFileSystem = window.remixFileSystemCallback.promises
+    const app = document.createElement('script')
+    app.setAttribute('src', versions[versionToLoad])
+    document.body.appendChild(app)
+  })
+}
diff --git a/apps/remix-ide/src/index.html b/apps/remix-ide/src/index.html
index 92578f4e6a..658567b99f 100644
--- a/apps/remix-ide/src/index.html
+++ b/apps/remix-ide/src/index.html
@@ -57,93 +57,7 @@
 		<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/intro.js/2.7.0/introjs.min.css">
 	</head>
 	<body>
-		<script>
-			function  urlParams () {
-				var qs = window.location.hash.substr(1)
-
-				if (window.location.search.length > 0) {
-					// use legacy query params instead of hash
-					window.location.hash = window.location.search.substr(1)
-					window.location.search = ''
-				}
-
-				var params = {}
-				var parts = qs.split('&')
-				for (var x in parts) {
-					var keyValue = parts[x].split('=')
-					if (keyValue[0] !== '') {
-						params[keyValue[0]] = keyValue[1]
-					}
-				}
-				return params
-			}
-			const defaultVersion = '0.8.0'
-			let versionToLoad = urlParams().appVersion ? urlParams().appVersion : defaultVersion
-                
-			let assets = {
-				'0.8.0': ['https://use.fontawesome.com/releases/v5.8.1/css/all.css', 'assets/css/pygment_trac.css'],
-				'0.7.7': ['assets/css/font-awesome.min.css', 'assets/css/pygment_trac.css']
-			}
-			let versions = {
-				'0.7.7': 'assets/js/0.7.7/app.js', // commit 7b5c7ae3de935e0ccc32eadfd83bf7349478491e
-				'0.8.0': 'main.js'
-			}
-			for (let k in assets[versionToLoad]) {
-				let app = document.createElement('link')
-				app.setAttribute('rel', 'stylesheet')
-				app.setAttribute('href', assets[versionToLoad][k])
-				if (assets[versionToLoad][k] === 'https://use.fontawesome.com/releases/v5.8.1/css/all.css') {
-					app.setAttribute('integrity', 'sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf')
-					app.setAttribute('crossorigin', 'anonymous')
-				}
-				document.head.appendChild(app)
-			}
-			window.onload = () => {
-/* 				BrowserFS.install(window)
-				BrowserFS.configure({
-					fs: "LocalStorage"
-				}, function(e) {
-					if (e) console.log(e)
-					let app = document.createElement('script')
-					app.setAttribute('src', versions[versionToLoad])
-					document.body.appendChild(app)
-					window.remixFileSystem = require('fs')
-				}) */
-
-				class remixFileSystem extends LightningFS {
-					constructor(...t) {
-						super(...t)
-						this.promises = {
-							...this.promises,
-							exists: async (path) => {
-								return new Promise((resolve, reject) => {
-									this.promises.stat(path).then(() => resolve(true)).catch(() => resolve(false))
-								})
-							},
-							statExtended: async (path) => {
-								return new Promise((resolve, reject) => {
-									this.promises.stat(path).then((stat) => {
-										resolve({
-											isDirectory: () => {
-												return stat.type === 'dir'
-											},
-											isFile: () => {
-												return stat.type === 'file'
-											},
-										})
-									}).catch(() => reject(false))
-								})
-							}
-						}
-					}
-				}
-				window.remixFileSystemCallback = new remixFileSystem('RemixFileSystem')
-				window.remixFileSystem = window.remixFileSystemCallback.promises
-				let app = document.createElement('script')
-				app.setAttribute('src', versions[versionToLoad])
-				document.body.appendChild(app)
-			}
-		</script>
+		<script type="text/javascript" src="assets/js/init.js"></script>
 		<script src="runtime.js" type="module"></script>
 		<script src="polyfills.js" type="module"></script>
 		<script src="vendor.js" type="module"></script>