clean up some more bsddb scraps
diff --git a/Doc/library/persistence.rst b/Doc/library/persistence.rst
index 8d9fa3a..b90b2e1 100644
--- a/Doc/library/persistence.rst
+++ b/Doc/library/persistence.rst
@@ -9,9 +9,7 @@
persistent form on disk. The :mod:`pickle` and :mod:`marshal` modules can turn
many Python data types into a stream of bytes and then recreate the objects from
the bytes. The various DBM-related modules support a family of hash-based file
-formats that store a mapping of strings to other strings. The :mod:`bsddb`
-module also provides such disk-based string-to-string mappings based on hashing,
-and also supports B-Tree and record-based formats.
+formats that store a mapping of strings to other strings.
The list of modules described in this chapter is:
@@ -23,5 +21,4 @@
shelve.rst
marshal.rst
dbm.rst
- bsddb.rst
sqlite3.rst