diff --git a/icechunk-python/tests/conftest.py b/icechunk-python/tests/conftest.py
index 848c7b609..5b760942b 100644
--- a/icechunk-python/tests/conftest.py
+++ b/icechunk-python/tests/conftest.py
@@ -6,8 +6,15 @@
 from hypothesis import HealthCheck, settings
 from mypy_boto3_s3.client import S3Client
 
+import zarr
 from icechunk import Repository, SpecVersion, in_memory_storage, local_filesystem_storage
 
+# Zarr may gate rectilinear chunk grids behind a config flag.
+# Icechunk supports them, so enable unconditionally for tests.
+zarr_has_rectilinear_chunks = "array.rectilinear_chunks" in zarr.config
+if zarr_has_rectilinear_chunks:
+    zarr.config.set({"array.rectilinear_chunks": True})
+
 # ---------------------------------------------------------------------------
 # Hypothesis profiles
 #
diff --git a/icechunk-python/tests/test_zarr/test_stateful.py b/icechunk-python/tests/test_zarr/test_stateful.py
index c6fa98867..ca8ed79d5 100644
--- a/icechunk-python/tests/test_zarr/test_stateful.py
+++ b/icechunk-python/tests/test_zarr/test_stateful.py
@@ -4,9 +4,8 @@
 from typing import Any, TypeVar
 
 import hypothesis.strategies as st
-import numpy as np
 import pytest
-from hypothesis import assume, note
+from hypothesis import note
 from hypothesis.stateful import (
     initialize,
     invariant,
@@ -32,10 +31,6 @@
 from zarr.testing.stateful import ZarrHierarchyStateMachine, split_prefix_name
 
 PROTOTYPE = default_buffer_prototype()
-from zarr.testing.strategies import (
-    node_names,
-    np_array_and_chunks,
-)
 
 Frequency = TypeVar("Frequency", bound=Callable[..., Any])
 
@@ -286,22 +281,6 @@ def shift_array(self, data: st.DataObject) -> None:
         self.store.session.shift_array(f"/{array_path}", offset)
         self._sync(self.model.shift_array(array_path, offset, num_chunks))
 
-    @rule(
-        data=st.data(),
-        name=node_names,
-        array_and_chunks=np_array_and_chunks(),
-    )
-    def add_array(
-        self,
-        data: st.DataObject,
-        name: str,
-        array_and_chunks: tuple[np.ndarray[Any, Any], tuple[int, ...]],
-    ) -> None:
-        array, _ = array_and_chunks
-        # TODO: support size-0 arrays GH392
-        assume(array.size > 0)
-        super().add_array(data, name, array_and_chunks)
-
     def _compare_list_dir(
         self, model: ModelStore, store: ic.IcechunkStore, paths: set[str]
     ) -> None: