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/src/zarr/storage/__init__.py b/src/zarr/storage/__init__.py
index f1bd1724af..1c41082ba7 100644
--- a/src/zarr/storage/__init__.py
+++ b/src/zarr/storage/__init__.py
@@ -1,9 +1,3 @@
-import sys
-import warnings
-from types import ModuleType
-from typing import Any
-
-from zarr.errors import ZarrDeprecationWarning
 from zarr.storage._common import StoreLike, StorePath
 from zarr.storage._fsspec import FsspecStore
 from zarr.storage._local import LocalStore
@@ -26,20 +20,3 @@
     "WrapperStore",
     "ZipStore",
 ]
-
-
-class VerboseModule(ModuleType):
-    def __setattr__(self, attr: str, value: Any) -> None:
-        if attr == "default_compressor":
-            warnings.warn(
-                "setting zarr.storage.default_compressor is deprecated, use "
-                "zarr.config to configure array.v2_default_compressor "
-                "e.g. config.set({'codecs.zstd':'numcodecs.Zstd', 'array.v2_default_compressor.numeric': 'zstd'})",
-                ZarrDeprecationWarning,
-                stacklevel=1,
-            )
-        else:
-            super().__setattr__(attr, value)
-
-
-sys.modules[__name__].__class__ = VerboseModule
diff --git a/tests/test_v2.py b/tests/test_v2.py
index 2e04339441..9a36aca74b 100644
--- a/tests/test_v2.py
+++ b/tests/test_v2.py
@@ -20,7 +20,6 @@
 from zarr.core.dtype.wrapper import ZDType
 from zarr.core.group import Group
 from zarr.core.sync import sync
-from zarr.errors import ZarrDeprecationWarning
 from zarr.storage import MemoryStore, StorePath
 
 
@@ -225,11 +224,6 @@ def test_v2_non_contiguous(numpy_order: Literal["C", "F"], zarr_order: Literal["
         assert (sub_arr).flags.c_contiguous
 
 
-def test_default_compressor_deprecation_warning() -> None:
-    with pytest.warns(ZarrDeprecationWarning, match="default_compressor is deprecated"):
-        zarr.storage.default_compressor = "zarr.codecs.zstd.ZstdCodec()"  # type: ignore[attr-defined]
-
-
 @pytest.mark.parametrize("fill_value", [None, (b"", 0, 0.0)], ids=["no_fill", "fill"])
 def test_structured_dtype_roundtrip(fill_value: float | bytes, tmp_path: Path) -> None:
     a = np.array(