diff --git a/CHANGES.rst b/CHANGES.rst
index 787826b..10b451f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+1.3.3 - 2025-??-??
+------------------
+
+- Revert the usage of ``lru_cache`` as that isn't being hit as expected,
+  and that the benefits it brings is too negligible to bring back given
+  the extremely limited cache hits. [
+  `#45 <https://github.com/calmjs/calmjs.parse/issues/45>`_
+  `#46 <https://github.com/calmjs/calmjs.parse/issues/46>`_
+  ]
+
 1.3.2 - 2024-10-17
 ------------------
 
diff --git a/src/calmjs/parse/unparsers/walker.py b/src/calmjs/parse/unparsers/walker.py
index 25d4826..a08d1e8 100644
--- a/src/calmjs/parse/unparsers/walker.py
+++ b/src/calmjs/parse/unparsers/walker.py
@@ -6,14 +6,6 @@
 
 from __future__ import unicode_literals
 
-try:
-    from functools import lru_cache
-except ImportError:  # pragma: no cover
-    def lru_cache(*a, **kw):
-        def wrapper(f):
-            return f
-        return wrapper
-
 from calmjs.parse.asttypes import Node
 from calmjs.parse.ruletypes import Token
 from calmjs.parse.ruletypes import Structure
@@ -162,7 +154,6 @@ def __init__(
 
         self.__optimized_definitions = self.optimize()
 
-    @lru_cache(maxsize=None)
     def optimize_definition(self, name, definition):
         rules = []
         for rule in definition: