diff --git a/index.d.ts b/index.d.ts
deleted file mode 100644
index c3607e0..0000000
--- a/index.d.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * create an argon2 hash
- *
- * @param {string} plain plain text
- * @returns {Promise<string>} hash
- */
-export function hash(plain: string): Promise<string>;
-/**
- * verify a plain text against an argon2 hash
- *
- * @param {string} hash_str hash
- * @param {string} plain plain text
- * @returns {Promise<boolean>} true if valid
- */
-export function verify(hash_str: string, plain: string): Promise<boolean>;