diff --git a/batdetect2/preprocess/arrays.py b/batdetect2/utils/arrays.py
similarity index 100%
rename from batdetect2/preprocess/arrays.py
rename to batdetect2/utils/arrays.py
diff --git a/batdetect2/preprocess/tensors.py b/batdetect2/utils/tensors.py
similarity index 100%
rename from batdetect2/preprocess/tensors.py
rename to batdetect2/utils/tensors.py