diff --git a/releasenotes/notes/cleanup-container-client-interface-6a9fe49072cfdb17.yaml b/releasenotes/notes/cleanup-container-client-interface-6a9fe49072cfdb17.yaml
new file mode 100644
index 0000000..48c1717
--- /dev/null
+++ b/releasenotes/notes/cleanup-container-client-interface-6a9fe49072cfdb17.yaml
@@ -0,0 +1,8 @@
+---
+upgrade:
+  - |
+    The following deprecated alias methods of the ``ContainerClient`` class
+    has been removed.
+
+    - ``update_container_metadata``, replaced by ``create_update_or_delete_container_metadata``
+    - ``list_container_contents``, replaced by ``list_container_objects``