diff --git a/src/helpers/main.ts b/src/helpers/main.ts
index 67fe42b0..d2037313 100644
--- a/src/helpers/main.ts
+++ b/src/helpers/main.ts
@@ -13,9 +13,14 @@ export {
   slash,
   base64,
   compose,
+  joinToURL,
   fsReadAll,
   safeEqual,
+  getDirname,
+  getFilename,
   fsImportAll,
   MessageBuilder,
 } from '@poppinss/utils'
+export { assert, assertNotNull, assertUnreachable } from '@poppinss/utils/assert'
+
 export { parseBindingReference } from './parse_binding_reference.js'
diff --git a/types/bodyparser.ts b/types/bodyparser.ts
index c0f99f93..86c3a63e 100644
--- a/types/bodyparser.ts
+++ b/types/bodyparser.ts
@@ -1,5 +1,5 @@
 /*
- * @adonisjs/ace
+ * @adonisjs/core
  *
  * (c) AdonisJS
  *
diff --git a/types/helpers.ts b/types/helpers.ts
new file mode 100644
index 00000000..2d74fbae
--- /dev/null
+++ b/types/helpers.ts
@@ -0,0 +1,10 @@
+/*
+ * @adonisjs/core
+ *
+ * (c) AdonisJS
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+export type { Opaque } from '@poppinss/utils/types'