diff --git a/README.md b/README.md
index a5e813263..de17ff756 100644
--- a/README.md
+++ b/README.md
@@ -88,11 +88,9 @@ Finally, start the server.
 ```Bash
 python3 server.py --insecure --build
 ```
-The --build flag automatically installs any VueJS UI dependencies, bundles the UI into a dist directory, writes the Magma plugin's `.env` file, and is served by the Caldera server. You will only have to use the --build flag again if you add any plugins or make any changes to the UI.
+The --build flag automatically installs any VueJS UI dependencies, bundles the UI into a dist directory and is served by the Caldera server. You will only have to use the --build flag again if you add any plugins or make any changes to the UI.
 Once started, log into http://localhost:8888 using the default credentials red/admin. Then go into Plugins -> Training and complete the capture-the-flag style training course to learn how to use Caldera.
 
-In some situations the default configuration values can cause the UI to appear unresponsive due to misrouted requests. Modify the `app.frontend.api_base_url` config value and start the server using the --build flag to update the UI's request URL environment variable.
-
 If you prefer to not use the new VueJS UI, revert to Caldera v4.2.0. Correspondingly, do not use the `--build` flag for earlier versions as not required.
 
 ### User Interface Development
diff --git a/conf/default.yml b/conf/default.yml
index 4e3e45488..afae89d9d 100644
--- a/conf/default.yml
+++ b/conf/default.yml
@@ -22,7 +22,6 @@ app.contact.ftp.user: caldera_user
 app.contact.tcp: 0.0.0.0:7010
 app.contact.udp: 0.0.0.0:7011
 app.contact.websocket: 0.0.0.0:7012
-app.frontend.api_base_url: http://localhost:8888
 objects.planners.default: atomic
 crypt_salt: REPLACE_WITH_RANDOM_VALUE
 encryption_key: ADMIN123
diff --git a/server.py b/server.py
index 7fc4d5b40..5e51d4f4f 100644
--- a/server.py
+++ b/server.py
@@ -147,13 +147,6 @@ async def start_vue_dev_server():
     logging.info("VueJS development server is live.")
 
 
-def configure_magma_env_file():
-    logging.info("Setting VueJS environment file.")
-    url = BaseWorld.get_config("app.frontend.api_base_url")
-    with open(f"{MAGMA_PATH}/.env", "w") as fp:
-        fp.write(f"VITE_CALDERA_URL={url}")
-
-
 def _get_parser():
 
     def list_str(values):
@@ -269,7 +262,6 @@ def list_str(values):
 
     if args.build:
         if len(os.listdir(MAGMA_PATH)) > 0:
-            configure_magma_env_file()
             logging.info("Building VueJS front-end.")
             subprocess.run(["npm", "install"], cwd=MAGMA_PATH, check=True)
             subprocess.run(["npm", "run", "build"], cwd=MAGMA_PATH, check=True)