diff --git a/dask_cuda/local_cuda_cluster.py b/dask_cuda/local_cuda_cluster.py
index e84dce0c7..57fe85439 100644
--- a/dask_cuda/local_cuda_cluster.py
+++ b/dask_cuda/local_cuda_cluster.py
@@ -2,7 +2,6 @@
 import logging
 import os
 import warnings
-from functools import partial
 
 import dask
 from distributed import LocalCluster, Nanny, Worker
@@ -332,10 +331,14 @@ def __init__(
             enable_rdmacm=enable_rdmacm,
         )
 
-        worker_class = partial(
-            LoggedNanny if log_spilling is True else Nanny,
-            worker_class=worker_class,
-        )
+        if worker_class is not None and log_spilling is True:
+            raise ValueError(
+                "Cannot enable `log_spilling` when `worker_class` is specified. If "
+                "logging is needed, ensure `worker_class` is a subclass of "
+                "`distributed.local_cuda_cluster.LoggedNanny` or a subclass of "
+                "`distributed.local_cuda_cluster.LoggedWorker`, and specify "
+                "`log_spilling=False`."
+            )
 
         self.pre_import = pre_import