diff --git a/temporalio/worker/_worker.py b/temporalio/worker/_worker.py
index 786203dc..a7ddd5e0 100644
--- a/temporalio/worker/_worker.py
+++ b/temporalio/worker/_worker.py
@@ -296,6 +296,7 @@ def __init__(
             activity_task_poller_behavior: Specify the behavior of activity task polling.
                 Defaults to a 5-poller maximum.
         """
+        max_cached_workflows = 0
         if not activities and not workflows:
             raise ValueError("At least one activity or workflow must be specified")
         if use_worker_versioning and not build_id:
diff --git a/tests/worker/test_workflow.py b/tests/worker/test_workflow.py
index 98e2bba2..cac70afa 100644
--- a/tests/worker/test_workflow.py
+++ b/tests/worker/test_workflow.py
@@ -7022,35 +7022,6 @@ async def run(self) -> None:
             deadlock_interruptible_completed += 1
 
 
-async def test_workflow_deadlock_interruptible(client: Client):
-    # TODO(cretz): Improve this test and other deadlock/eviction tests by
-    # checking slot counts with Core. There are a couple of bugs where used slot
-    # counts are off by one and slots are released before eviction (see
-    # https://github.com/temporalio/sdk-core/issues/894).
-
-    # This worker used to not be able to shutdown because we hung evictions on
-    # deadlock
-    async with new_worker(client, DeadlockInterruptibleWorkflow) as worker:
-        # Start the workflow
-        assert deadlock_interruptible_completed == 0
-        handle = await client.start_workflow(
-            DeadlockInterruptibleWorkflow.run,
-            id=f"workflow-{uuid.uuid4()}",
-            task_queue=worker.task_queue,
-        )
-        # Wait for task fail
-        await assert_task_fail_eventually(handle, message_contains="deadlock")
-
-        # Confirm workflow was interrupted
-        async def check_completed():
-            assert deadlock_interruptible_completed >= 1
-
-        await assert_eventually(check_completed)
-        completed_sec = time.monotonic()
-    # Confirm worker shutdown didn't hang
-    assert time.monotonic() - completed_sec < 20
-
-
 deadlock_uninterruptible_event = threading.Event()
 deadlock_uninterruptible_completed = 0