diff --git a/src/extremeweatherbench/evaluate.py b/src/extremeweatherbench/evaluate.py
index 7efafbf2..504d7694 100644
--- a/src/extremeweatherbench/evaluate.py
+++ b/src/extremeweatherbench/evaluate.py
@@ -977,44 +977,3 @@ def _safe_concat(
         return pd.concat(valid_dfs, ignore_index=ignore_index)
     else:
         return pd.DataFrame(columns=OUTPUT_COLUMNS)
-
-
-def _parallel_serial_config_check(
-    n_jobs: Optional[int] = None,
-    parallel_config: Optional[dict] = None,
-) -> Optional[dict]:
-    """Check if running in serial or parallel mode.
-
-    Args:
-        n_jobs: The number of jobs to run in parallel. If None, defaults to the
-            joblib backend default value. If 1, the workflow will run serially.
-        parallel_config: Optional dictionary of joblib parallel configuration. If
-            provided, this takes precedence over n_jobs. If not provided and n_jobs is
-            specified, a default config with loky backend is used.
-    Returns:
-        None if running in serial mode, otherwise a dictionary of joblib parallel
-        configuration.
-    """
-    # Determine if running in serial or parallel mode
-    # Serial: n_jobs=1 or (parallel_config with n_jobs=1)
-    # Parallel: n_jobs>1 or (parallel_config with n_jobs>1)
-    is_serial = (
-        (n_jobs == 1)
-        or (parallel_config is not None and parallel_config.get("n_jobs") == 1)
-        or (n_jobs is None and parallel_config is None)
-    )
-    logger.debug("Running in %s mode.", "serial" if is_serial else "parallel")
-
-    if not is_serial:
-        # Build parallel_config if not provided
-        if parallel_config is None and n_jobs is not None:
-            logger.debug(
-                "No parallel_config provided, using loky backend and %s jobs.",
-                n_jobs,
-            )
-            parallel_config = {"backend": "loky", "n_jobs": n_jobs}
-    # If running in serial mode, set parallel_config to None if not already
-    else:
-        parallel_config = None
-    # Return the maybe updated kwargs
-    return parallel_config
diff --git a/tests/test_evaluate_cli.py b/tests/test_evaluate_cli.py
index 2bda6879..ca71d408 100644
--- a/tests/test_evaluate_cli.py
+++ b/tests/test_evaluate_cli.py
@@ -1,12 +1,9 @@
 """Tests for the evaluate_cli interface."""
 
 import pickle
-import tempfile
 import textwrap
-from pathlib import Path
 from unittest import mock
 
-import click.testing
 import pandas as pd
 import pytest
 
@@ -23,23 +20,6 @@ def suppress_cli_output():
         yield
 
 
-@pytest.fixture
-def runner():
-    """Create a Click test runner with output suppression."""
-    return click.testing.CliRunner()
-
-
-@pytest.fixture
-def temp_config_dir():
-    """Create a temporary directory for config files and test outputs.
-
-    This ensures all test files are created in temporary directories and automatically
-    cleaned up after each test.
-    """
-    with tempfile.TemporaryDirectory() as temp_dir:
-        yield Path(temp_dir)
-
-
 @pytest.fixture
 def sample_config_py(temp_config_dir):
     """Create a sample Python config file."""