diff --git a/src/libsodium/crypto_pwhash/scryptxsalsa208sha256/pwhash_scryptxsalsa208sha256.c b/src/libsodium/crypto_pwhash/scryptxsalsa208sha256/pwhash_scryptxsalsa208sha256.c
index 84fda614..3165ba2f 100644
--- a/src/libsodium/crypto_pwhash/scryptxsalsa208sha256/pwhash_scryptxsalsa208sha256.c
+++ b/src/libsodium/crypto_pwhash/scryptxsalsa208sha256/pwhash_scryptxsalsa208sha256.c
@@ -42,12 +42,6 @@ pickparams(const size_t memlimit, unsigned long long opslimit,
     return 0;
 }
 
-size_t
-crypto_pwhash_scryptxsalsa208sha256_bytes(void)
-{
-    return crypto_pwhash_scryptxsalsa208sha256_BYTES;
-}
-
 size_t
 crypto_pwhash_scryptxsalsa208sha256_saltbytes(void)
 {
@@ -56,6 +50,7 @@ crypto_pwhash_scryptxsalsa208sha256_saltbytes(void)
 
 int
 crypto_pwhash_scryptxsalsa208sha256(unsigned char * const out,
+                                    unsigned long long outlen,
                                     const char * const passwd,
                                     unsigned long long passwdlen,
                                     const unsigned char * const salt,
@@ -78,5 +73,5 @@ crypto_pwhash_scryptxsalsa208sha256(unsigned char * const out,
                                 (const uint8_t *) salt,
                                 crypto_pwhash_scryptxsalsa208sha256_SALTBYTES,
                                 (uint64_t) (1) << N_log2, r, p,
-                                out, crypto_pwhash_scryptxsalsa208sha256_BYTES);
+                                out, outlen);
 }
diff --git a/src/libsodium/include/sodium/crypto_pwhash_scryptxsalsa208sha256.h b/src/libsodium/include/sodium/crypto_pwhash_scryptxsalsa208sha256.h
index ee4c1fe0..c3ea1a40 100644
--- a/src/libsodium/include/sodium/crypto_pwhash_scryptxsalsa208sha256.h
+++ b/src/libsodium/include/sodium/crypto_pwhash_scryptxsalsa208sha256.h
@@ -6,7 +6,6 @@
 
 #include "export.h"
 
-#define crypto_pwhash_scryptxsalsa208sha256_BYTES 64
 #define crypto_pwhash_scryptxsalsa208sha256_SALTBYTES 32
 
 #ifdef __cplusplus
@@ -16,14 +15,12 @@
 extern "C" {
 #endif
 
-SODIUM_EXPORT
-size_t crypto_pwhash_scryptxsalsa208sha256_bytes(void);
-
 SODIUM_EXPORT
 size_t crypto_pwhash_scryptxsalsa208sha256_saltbytes(void);
 
 SODIUM_EXPORT
 int crypto_pwhash_scryptxsalsa208sha256(unsigned char * const out,
+                                        unsigned long long outlen,
                                         const char * const passwd,
                                         unsigned long long passwdlen,
                                         const unsigned char * const salt,