diff --git a/audit/SHA3_512.py b/audit/SHA3_512.py
deleted file mode 100644
index 792adf4..0000000
--- a/audit/SHA3_512.py
+++ /dev/null
@@ -1,172 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# ===================================================================
-# The contents of this file are dedicated to the public domain.  To
-# the extent that dedication to the public domain is not available,
-# everyone is granted a worldwide, perpetual, royalty-free,
-# non-exclusive license to exercise all rights associated with the
-# contents of this file for any purpose whatsoever.
-# No rights are reserved.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-# ===================================================================
-
-from Crypto.Util.py3compat import bord
-
-from Crypto.Util._raw_api import (load_pycryptodome_raw_lib,
-                                  VoidPointer, SmartPointer,
-                                  create_string_buffer,
-                                  get_raw_buffer, c_size_t,
-                                  c_uint8_ptr)
-
-from Crypto.Hash.keccak import _raw_keccak_lib
-
-class SHA3_512_Hash(object):
-    """A SHA3-512 hash object.
-    Do not instantiate directly.
-    Use the :func:`new` function.
-
-    :ivar oid: ASN.1 Object ID
-    :vartype oid: string
-
-    :ivar digest_size: the size in bytes of the resulting hash
-    :vartype digest_size: integer
-    """
-
-    # The size of the resulting hash in bytes.
-    digest_size = 64
-
-    # ASN.1 Object ID
-    oid = "2.16.840.1.101.3.4.2.10"
-
-    # Input block size for HMAC
-    block_size = 72
-
-    def __init__(self, data, update_after_digest):
-        self._update_after_digest = update_after_digest
-        self._digest_done = False
-
-        state = VoidPointer()
-        result = _raw_keccak_lib.keccak_init(state.address_of(),
-                                             c_size_t(self.digest_size * 2),
-                                             0x06)
-        if result:
-            raise ValueError("Error %d while instantiating SHA-3/512"
-                             % result)
-        self._state = SmartPointer(state.get(),
-                                   _raw_keccak_lib.keccak_destroy)
-        if data:
-            self.update(data)
-
-    def update(self, data):
-        """Continue hashing of a message by consuming the next chunk of data.
-
-        Args:
-            data (byte string/byte array/memoryview): The next chunk of the message being hashed.
-        """
-
-        if self._digest_done and not self._update_after_digest:
-            raise TypeError("You can only call 'digest' or 'hexdigest' on this object")
-
-        result = _raw_keccak_lib.keccak_absorb(self._state.get(),
-                                               c_uint8_ptr(data),
-                                               c_size_t(len(data)))
-        if result:
-            raise ValueError("Error %d while updating SHA-3/512"
-                             % result)
-        return self
-
-    def digest(self):
-
-        """Return the **binary** (non-printable) digest of the message that has been hashed so far.
-
-        :return: The hash digest, computed over the data processed so far.
-                 Binary form.
-        :rtype: byte string
-        """
-
-        self._digest_done = True
-
-        bfr = create_string_buffer(self.digest_size)
-        result = _raw_keccak_lib.keccak_digest(self._state.get(),
-                                               bfr,
-                                               c_size_t(self.digest_size))
-        if result:
-            raise ValueError("Error %d while instantiating SHA-3/512"
-                             % result)
-
-        self._digest_value = get_raw_buffer(bfr)
-        return self._digest_value
-
-    def hexdigest(self):
-        """Return the **printable** digest of the message that has been hashed so far.
-
-        :return: The hash digest, computed over the data processed so far.
-                 Hexadecimal encoded.
-        :rtype: string
-        """
-
-        return "".join(["%02x" % bord(x) for x in self.digest()])
-
-    def copy(self):
-        """Return a copy ("clone") of the hash object.
-
-        The copy will have the same internal state as the original hash
-        object.
-        This can be used to efficiently compute the digests of strings that
-        share a common initial substring.
-
-        :return: A hash object of the same type
-        """
-
-        clone = self.new()
-        result = _raw_keccak_lib.keccak_copy(self._state.get(),
-                                             clone._state.get())
-        if result:
-            raise ValueError("Error %d while copying SHA3-512" % result)
-        return clone
-
-    def new(self, data=None):
-        """Create a fresh SHA3-521 hash object."""
-
-        return type(self)(data, self._update_after_digest)
-
-
-def new(*args, **kwargs):
-    """Create a new hash object.
-
-    Args:
-        data (byte string/byte array/memoryview):
-            The very first chunk of the message to hash.
-            It is equivalent to an early call to :meth:`update`.
-        update_after_digest (boolean):
-            Whether :meth:`digest` can be followed by another :meth:`update`
-            (default: ``False``).
-
-    :Return: A :class:`SHA3_512_Hash` hash object
-    """
-
-    data = kwargs.pop("data", None)
-    update_after_digest = kwargs.pop("update_after_digest", False)
-    if len(args) == 1:
-        if data:
-            raise ValueError("Initial data for hash specified twice")
-        data = args[0]
-
-    if kwargs:
-        raise TypeError("Unknown parameters: " + str(kwargs))
-
-    return SHA3_512_Hash(data, update_after_digest)
-
-# The size of the resulting hash in bytes.
-digest_size = SHA3_512_Hash.digest_size
-
-# Input block size for HMAC
-block_size = 72