diff --git a/angular.json b/angular.json
index ed6e607c7..5ef705724 100644
--- a/angular.json
+++ b/angular.json
@@ -133,6 +133,7 @@
               "src/styles.scss",
               "src/assets/scss/grid.scss"
             ],
+            "scripts": ["src/assets/local-dev-environment.js"],
             "fileReplacements": [
               {
                 "replace": "src/environments/environment.ts",
diff --git a/scripts/postbuild.ts b/scripts/postbuild.ts
index 97fefc674..77eb50520 100644
--- a/scripts/postbuild.ts
+++ b/scripts/postbuild.ts
@@ -8,7 +8,6 @@ import {
 import { getOptionsObjet, save } from './utils'
 import { renameSync, readFileSync } from 'fs'
 import { createShareAssetsFolder } from './moveToShareFolder.postbuild'
-import { replaceEnvPlaceholder } from './runtime-environment-setter.postbuild'
 
 const glob = require('glob')
 // Run updates on index.html files across languages
@@ -17,7 +16,6 @@ glob
   .forEach((file) => {
     const options = getOptionsObjet(file)
     let data = readFileSync(file, 'utf8')
-    data = replaceEnvPlaceholder(data)
     // data = uniqueLength(data, options) DISABLED unique leght for now, as migth not be required anymore
     data = buildInfo(data, options)
     // data = newRelic(data, options) TEMPORALLY DISABLE NEW RELIC
diff --git a/scripts/runtime-environment-setter.dev-runtime.ts b/scripts/runtime-environment-setter.dev-runtime.ts
index 57a0d78b0..f95cb7316 100644
--- a/scripts/runtime-environment-setter.dev-runtime.ts
+++ b/scripts/runtime-environment-setter.dev-runtime.ts
@@ -5,10 +5,9 @@ import { runtimeEnvironmentScript } from './utils'
 function main() {
   // Create the script content
   const scriptContent = `//DO NOT MODIFY THIS environment file directly, to updat this file. 
-//To update environments please update the files under "/Users/l.mendoza/code/orcid-angular/src/environments" 
+//To update environments please update the files under "/src/environments" 
 ${runtimeEnvironmentScript()}`
 
-  // Write the file. For example, dist/local-dev-environment.js
   const outputPath = path.resolve(
     __dirname,
     '../src/assets/local-dev-environment.js'
diff --git a/scripts/runtime-environment-setter.postbuild.ts b/scripts/runtime-environment-setter.postbuild.ts
deleted file mode 100644
index 4934cb588..000000000
--- a/scripts/runtime-environment-setter.postbuild.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import { runtimeEnvironmentScript } from './utils'
-
-/**
- * Receives an HTML string, replaces the [ENVIRONMENT_VARAIBLES_PLACEHOLDER]
- * with a <script> that sets window.environment at runtime,
- * and returns the modified HTML string.
- */
-export function replaceEnvPlaceholder(htmlContent: string): string {
-  // 1. Build the script that runs in the browser
-
-  // 2. Wrap the content in a <script> tag
-  const scriptTag = `<script>${runtimeEnvironmentScript()}</script>`
-
-  // 3. Replace the placeholder in the HTML
-  const placeholderBlockRegex =
-    /<!-- ENV_SCRIPT_PLACEHOLDER -->([\s\S]*?)<!-- \/ENV_SCRIPT_PLACEHOLDER -->/
-
-  const updatedHtml = htmlContent.replace(placeholderBlockRegex, scriptTag)
-
-  // 4. Return the updated HTML
-  return updatedHtml
-}
diff --git a/src/app/cdk/platform-info/browserlist.regexp.ts b/src/app/cdk/platform-info/browserlist.regexp.ts
index 545a90290..bf8c4aa5c 100644
--- a/src/app/cdk/platform-info/browserlist.regexp.ts
+++ b/src/app/cdk/platform-info/browserlist.regexp.ts
@@ -1,3 +1,2 @@
 // tslint:disable-next-line: max-line-length
-export const BROWSERLIST_REGEXP =
-  /((CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(13[_.]4|13[_.]([5-9]|\d{2,})|13[_.]7|13[_.]([8-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})[_.]\d+|14[_.]0|14[_.]([1-9]|\d{2,})|14[_.]4|14[_.]([5-9]|\d{2,})|14[_.]8|14[_.](9|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})[_.]\d+|15[_.]0|15[_.]([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})[_.]\d+|16[_.]0|16[_.]([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})[_.]\d+|17[_.]0|17[_.]([1-9]|\d{2,})|(1[8-9]|[2-9]\d|\d{3,})[_.]\d+)(?:[_.]\d+)?)|((?:Chrome).*OPR\/(74|(7[5-9]|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Edge\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))(?:\.\d+)?)|((Chromium|Chrome)\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))\.\d+(?:\.\d+)?)|(Version\/(13\.1|13\.([2-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})\.\d+|14\.0|14\.([1-9]|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})\.\d+|15\.0|15\.([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})\.\d+|16\.0|16\.([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})\.\d+|17\.0|17\.([1-9]|\d{2,})|(1[8-9]|[2-9]\d|\d{3,})\.\d+)(?:\.\d+)? Safari\/)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+(pre|[ab]\d+[a-z]*)?)/
+export const BROWSERLIST_REGEXP = /((CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(13[_.]4|13[_.]([5-9]|\d{2,})|13[_.]7|13[_.]([8-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})[_.]\d+|14[_.]0|14[_.]([1-9]|\d{2,})|14[_.]4|14[_.]([5-9]|\d{2,})|14[_.]8|14[_.](9|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})[_.]\d+|15[_.]0|15[_.]([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})[_.]\d+|16[_.]0|16[_.]([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})[_.]\d+|17[_.]0|17[_.]([1-9]|\d{2,})|(1[8-9]|[2-9]\d|\d{3,})[_.]\d+)(?:[_.]\d+)?)|((?:Chrome).*OPR\/(74|(7[5-9]|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Edge\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))(?:\.\d+)?)|((Chromium|Chrome)\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))\.\d+(?:\.\d+)?)|(Version\/(13\.1|13\.([2-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})\.\d+|14\.0|14\.([1-9]|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})\.\d+|15\.0|15\.([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})\.\d+|16\.0|16\.([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})\.\d+|17\.0|17\.([1-9]|\d{2,})|(1[8-9]|[2-9]\d|\d{3,})\.\d+)(?:\.\d+)? Safari\/)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+(pre|[ab]\d+[a-z]*)?)/
diff --git a/src/index.html b/src/index.html
index ae15a26f4..d1bf6bcb1 100644
--- a/src/index.html
+++ b/src/index.html
@@ -11,10 +11,6 @@
 
     <link rel="icon" type="image/x-icon" href="./assets/icons/favicon.ico" />
     <!-- NEW_RELIC_PLACEHOLDER -->
-    <!-- ENV_SCRIPT_PLACEHOLDER -->
-    <script src="./assets/local-dev-environment.js"></script>
-    <!-- /ENV_SCRIPT_PLACEHOLDER -->
-    <script></script>
     <link
       href="https://fonts.googleapis.com/icon?family=Material+Icons"
       rel="stylesheet"