remove (un)transform methods
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index 26e31a4..c9222ca 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -1165,8 +1165,7 @@
| | | operand |
+--------------------+---------+---------------------------+
-The following codecs provide bytes-to-bytes mappings. They can be used with
-:meth:`bytes.transform` and :meth:`bytes.untransform`.
+The following codecs provide bytes-to-bytes mappings.
+--------------------+---------------------------+---------------------------+
| Codec | Aliases | Purpose |
@@ -1192,8 +1191,7 @@
| | | using gzip |
+--------------------+---------------------------+---------------------------+
-The following codecs provide string-to-string mappings. They can be used with
-:meth:`str.transform` and :meth:`str.untransform`.
+The following codecs provide string-to-string mappings.
+--------------------+---------------------------+---------------------------+
| Codec | Aliases | Purpose |