diff --git a/testing/test_avatars.c b/testing/test_avatars.c
index 7e7cdd492..55beea672 100644
--- a/testing/test_avatars.c
+++ b/testing/test_avatars.c
@@ -222,7 +222,7 @@ static int load_user_avatar(Tox *tox, char *base_dir, int friendnum,
     }
 
     *datalen = ret;
-    tox_hash(tox, hash, data, *datalen);
+    tox_hash(hash, data, *datalen);
 
     return 0;
 }
diff --git a/toxcore/tox.c b/toxcore/tox.c
index 21854de4e..e8ec593bc 100644
--- a/toxcore/tox.c
+++ b/toxcore/tox.c
@@ -826,7 +826,7 @@ int tox_get_self_avatar(const Tox *tox, uint8_t *format, uint8_t *buf, uint32_t
     return m_get_self_avatar(m, format, buf, length, maxlen, hash);
 }
 
-int tox_hash(const Tox *tox, uint8_t *hash, const uint8_t *data, const uint32_t datalen)
+int tox_hash(uint8_t *hash, const uint8_t *data, const uint32_t datalen)
 {
     return m_hash(hash, data, datalen);
 }
diff --git a/toxcore/tox.h b/toxcore/tox.h
index d285e3fcd..61cfdf709 100644
--- a/toxcore/tox.h
+++ b/toxcore/tox.h
@@ -625,7 +625,7 @@ int tox_get_self_avatar(const Tox *tox, uint8_t *format, uint8_t *buf, uint32_t
  * returns 0 on success
  * returns -1 on failure.
  */
-int tox_hash(const Tox *tox, uint8_t *hash, const uint8_t *data, const uint32_t datalen);
+int tox_hash(uint8_t *hash, const uint8_t *data, const uint32_t datalen);
 
 /* Request avatar information from a friend.
  * Asks a friend to provide their avatar information (image format and hash). The friend may