diff --git a/justfile b/justfile
index 0e1b870..0cb576e 100644
--- a/justfile
+++ b/justfile
@@ -118,8 +118,6 @@ example-train OPTIONS="":
         --training-config example_data/configs/training.yaml \
         --audio-config example_data/configs/audio.yaml \
         --evaluation-config example_data/configs/evaluation.yaml \
-        --inference-config example_data/configs/inference.yaml \
-        --outputs-config example_data/configs/outputs.yaml \
         --logging-config example_data/configs/logging.yaml \
         {{OPTIONS}} \
         example_data/dataset.yaml
diff --git a/src/batdetect2/cli/train.py b/src/batdetect2/cli/train.py
index ac2321e..4326e0c 100644
--- a/src/batdetect2/cli/train.py
+++ b/src/batdetect2/cli/train.py
@@ -86,11 +86,13 @@ __all__ = ["train_command"]
 @click.option(
     "--train-workers",
     type=int,
+    default=0,
     help="Number of worker processes for training data loading.",
 )
 @click.option(
     "--val-workers",
     type=int,
+    default=0,
     help="Number of worker processes for validation data loading.",
 )
 @click.option(