diff --git a/lib/internal/crypto/scrypt.js b/lib/internal/crypto/scrypt.js
index e369bb11faffb9..b8ab0a590f1aee 100644
--- a/lib/internal/crypto/scrypt.js
+++ b/lib/internal/crypto/scrypt.js
@@ -71,7 +71,7 @@ function handleError(keybuf, password, salt, N, r, p, maxmem, wrap) {
   throw ex;  // Scrypt operation failed, exception object contains details.
 }
 
-function check(password, salt, keylen, options, callback) {
+function check(password, salt, keylen, options) {
   if (_scrypt === undefined)
     throw new ERR_CRYPTO_SCRYPT_NOT_SUPPORTED();