diff --git a/docker/frontend/nginx.conf b/docker/frontend/nginx.conf
index ffe913738..38f4699e7 100644
--- a/docker/frontend/nginx.conf
+++ b/docker/frontend/nginx.conf
@@ -6,11 +6,6 @@ http {
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
 
-    # Add .mjs MIME type mapping
-    types {
-        text/javascript mjs;
-    }
-
     # Gzip compression
     gzip on;
     gzip_vary on;