diff --git a/docker/ci/entrypoint.sh b/docker/ci/entrypoint.sh
index 6c41d9e9cdeb..d4dc280c9223 100755
--- a/docker/ci/entrypoint.sh
+++ b/docker/ci/entrypoint.sh
@@ -92,7 +92,7 @@ backend_stuff() {
 }
 
 frontend_stuff() {
-	execute_quiet "DATABASE_URL=nulldb://db time bin/rails openproject:plugins:register_frontend assets:precompile"
+	execute_quiet "OPENPROJECT_ANGULAR_BUILD=fast DATABASE_URL=nulldb://db time bin/rails openproject:plugins:register_frontend assets:precompile"
 	execute_quiet "cp -rp config/frontend_assets.manifest.json public/assets/frontend_assets.manifest.json"
 }
 
diff --git a/docker/pullpreview/docker-compose.yml b/docker/pullpreview/docker-compose.yml
index 7c9664a60635..f6a3bb409c39 100644
--- a/docker/pullpreview/docker-compose.yml
+++ b/docker/pullpreview/docker-compose.yml
@@ -14,7 +14,7 @@ x-defaults: &defaults
   build:
     context: .
     args:
-      OPENPROJECT_ANGULAR_UGLIFY: "false"
+      OPENPROJECT_ANGULAR_BUILD: "fast"
   restart: unless-stopped
   env_file:
     - .env.pullpreview
diff --git a/frontend/angular.json b/frontend/angular.json
index 4be288938831..7c48128237c2 100644
--- a/frontend/angular.json
+++ b/frontend/angular.json
@@ -102,38 +102,6 @@
                 }
               ]
             },
-            "fastprod": {
-              "index": "",
-              "preserveSymlinks": true,
-              "optimization": false,
-              "outputHashing": "all",
-              "sourceMap": false,
-              "namedChunks": false,
-              "extractLicenses": false,
-              "buildOptimizer" : false,
-              "fileReplacements": [
-                {
-                  "replace": "src/environments/environment.ts",
-                  "with": "src/environments/environment.prod.ts"
-                }
-              ]
-            },
-            "ci": {
-              "index": "",
-              "preserveSymlinks": true,
-              "optimization": false,
-              "outputHashing": "all",
-              "sourceMap": false,
-              "namedChunks": false,
-              "extractLicenses": false,
-              "buildOptimizer" : false,
-              "fileReplacements": [
-                {
-                  "replace": "src/environments/environment.ts",
-                  "with": "src/environments/environment.prod.ts"
-                }
-              ]
-            }
           }
         },
         "serve": {
diff --git a/frontend/extra-webpack.config.js b/frontend/extra-webpack.config.js
index 2eef5b817f14..4ca5c933c4b1 100644
--- a/frontend/extra-webpack.config.js
+++ b/frontend/extra-webpack.config.js
@@ -5,7 +5,7 @@ module.exports = {
     minimizer: [
       new TerserPlugin({
         terserOptions: {
-          mangle: process.env.OPENPROJECT_ANGULAR_UGLIFY !== 'false',
+          mangle: process.env.OPENPROJECT_ANGULAR_BUILD !== 'fast',
           keep_classnames: true,
           keep_fnames: true,
         }
diff --git a/frontend/package.json b/frontend/package.json
index 6ab4fc9227f5..5615a4afe820 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -162,8 +162,7 @@
   },
   "scripts": {
     "analyze": "ng build --configuration production --stats-json && webpack-bundle-analyzer -h 0.0.0.0 -p 9999 ../public/assets/frontend/stats.json",
-    "build:ci": "node --max_old_space_size=8192 ./node_modules/@angular/cli/bin/ng build --configuration ci",
-    "build:fast": "OPENPROJECT_ANGULAR_UGLIFY=false node --max_old_space_size=8192 ./node_modules/@angular/cli/bin/ng build --configuration fastprod",
+    "build:fast": "OPENPROJECT_ANGULAR_BUILD=fast node --max_old_space_size=8192 ./node_modules/@angular/cli/bin/ng build --configuration production",
     "build": "node --max_old_space_size=4096 ./node_modules/@angular/cli/bin/ng build --configuration production --named-chunks --source-map",
     "build:watch": "node --max_old_space_size=4096 ./node_modules/@angular/cli/bin/ng build --watch --named-chunks",
     "tokens:generate": "theo src/app/spot/styles/tokens/tokens.yml --transform web --format sass,json --dest src/app/spot/styles/tokens/dist",
diff --git a/lib/tasks/assets.rake b/lib/tasks/assets.rake
index 63f497fc0e41..4e170ce29d90 100644
--- a/lib/tasks/assets.rake
+++ b/lib/tasks/assets.rake
@@ -63,9 +63,7 @@ namespace :assets do
     puts "Building angular frontend"
     Dir.chdir Rails.root.join("frontend") do
       cmd =
-        if ENV["CI"]
-          "npm run build:ci"
-        elsif ENV["OPENPROJECT_ANGULAR_UGLIFY"] == "false"
+        if ENV["OPENPROJECT_ANGULAR_BUILD"] == "fast"
           "npm run build:fast"
         else
           "npm run build"