diff --git a/CHANGELOG-unreleased.md b/CHANGELOG-unreleased.md
index 10602170d..96251add0 100644
--- a/CHANGELOG-unreleased.md
+++ b/CHANGELOG-unreleased.md
@@ -50,3 +50,4 @@ the released changes.
 - Fix removal of top-level parameter
 - Minimal fixes to allow usage of numpy 2.0
 ### Removed
+- Unnecessary `StandardTimingModel` from `pint.models`
\ No newline at end of file