diff --git a/release/long_running_tests/workloads/impala.py b/release/long_running_tests/workloads/impala.py
index b8e7f5ef8..541a56e9d 100644
--- a/release/long_running_tests/workloads/impala.py
+++ b/release/long_running_tests/workloads/impala.py
@@ -38,7 +38,7 @@ assert (
 if "RAY_ADDRESS" in os.environ:
     del os.environ["RAY_ADDRESS"]
 
-ray.init(num_cpus=10)
+ray.init()
 # Run the workload.
 
 # Whitespace diff to test things.