diff --git a/DIRECTORY.md b/DIRECTORY.md
index 8d1567465fbc..fe0a6a9e33ff 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -85,7 +85,6 @@
   * [Base16](ciphers/base16.py)
   * [Base32](ciphers/base32.py)
   * [Base64](ciphers/base64.py)
-  * [Base85](ciphers/base85.py)
   * [Beaufort Cipher](ciphers/beaufort_cipher.py)
   * [Bifid](ciphers/bifid.py)
   * [Brute Force Caesar Cipher](ciphers/brute_force_caesar_cipher.py)
diff --git a/ciphers/base85.py b/ciphers/base85.py
deleted file mode 100644
index afd1aff79d11..000000000000
--- a/ciphers/base85.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import base64
-
-
-def base85_encode(string: str) -> bytes:
-    """
-    >>> base85_encode("")
-    b''
-    >>> base85_encode("12345")
-    b'0etOA2#'
-    >>> base85_encode("base 85")
-    b'@UX=h+?24'
-    """
-    # encoded the input to a bytes-like object and then a85encode that
-    return base64.a85encode(string.encode("utf-8"))
-
-
-def base85_decode(a85encoded: bytes) -> str:
-    """
-    >>> base85_decode(b"")
-    ''
-    >>> base85_decode(b"0etOA2#")
-    '12345'
-    >>> base85_decode(b"@UX=h+?24")
-    'base 85'
-    """
-    # a85decode the input into bytes and decode that into a human readable string
-    return base64.a85decode(a85encoded).decode("utf-8")
-
-
-if __name__ == "__main__":
-    import doctest
-
-    doctest.testmod()