diff --git a/changes/4029.bugfix.md b/changes/4029.bugfix.md
deleted file mode 100644
index b4abda7658..0000000000
--- a/changes/4029.bugfix.md
+++ /dev/null
@@ -1,8 +0,0 @@
-`zarr.storage` is no longer replaced by a `ModuleType` subclass at import time.
-The subclass only existed to warn about the long-deprecated
-`zarr.storage.default_compressor` attribute, but serializers that dispatch on
-the exact type of an object (such as `cloudpickle`, which Dask uses by default)
-could not serialize the module and raised
-`TypeError: cannot pickle 'VerboseModule' object`. Setting
-`zarr.storage.default_compressor` no longer emits a deprecation warning; use
-`zarr.config` to configure `array.v2_default_compressor` instead.
diff --git a/changes/4505.bugfix.md b/changes/4505.bugfix.md
new file mode 100644
index 0000000000..8d50b8efb6
--- /dev/null
+++ b/changes/4505.bugfix.md
@@ -0,0 +1 @@
+The `zarr.storage` module can now be serialized with `cloudpickle`. Previously, code that referenced the module (for example a Dask task that used `zarr.storage.ObjectStore`) failed with `TypeError: cannot pickle 'VerboseModule' object`.
diff --git a/changes/4505.removal.md b/changes/4505.removal.md
new file mode 100644
index 0000000000..6549a77c95
--- /dev/null
+++ b/changes/4505.removal.md
@@ -0,0 +1 @@
+Setting `zarr.storage.default_compressor` no longer emits a deprecation warning. The attribute has had no effect since 3.0.0; configure `array.v2_default_compressor` through `zarr.config` instead.
diff --git a/tests/test_store/test_core.py b/tests/test_store/test_core.py
index c928ba8417..f0a2077a8a 100644
--- a/tests/test_store/test_core.py
+++ b/tests/test_store/test_core.py
@@ -439,12 +439,11 @@ def test_different_open_mode(tmp_path: Path) -> None:
 
 
 def test_storage_module_is_picklable() -> None:
-    # `zarr.storage` used to be swapped for a `VerboseModule` subclass of
-    # `types.ModuleType` in order to warn about the long-deprecated
-    # `zarr.storage.default_compressor` attribute. cloudpickle dispatches on the
-    # exact type of an object, so the subclass was not registered and
-    # serializing the module raised `TypeError: cannot pickle 'VerboseModule'
-    # object`, which broke passing `zarr.storage.ObjectStore` around with Dask.
-    # See issue #4029.
+    """
+    `zarr.storage` is a plain `types.ModuleType` and round-trips through `cloudpickle`.
+
+    Serializers such as `cloudpickle` dispatch on the exact type of an object, so a
+    `ModuleType` subclass would not be serializable. See issue #4029.
+    """
     assert type(zarr.storage) is ModuleType
     assert cloudpickle.loads(cloudpickle.dumps(zarr.storage)) is zarr.storage