diff --git a/python/tests/reference/Rotation/.ipynb_checkpoints/Visualize_hybridIA_sampling-checkpoint.ipynb b/python/tests/reference/Rotation/.ipynb_checkpoints/Visualize_hybridIA_sampling-checkpoint.ipynb
deleted file mode 100644
index 7fec51502..000000000
--- a/python/tests/reference/Rotation/.ipynb_checkpoints/Visualize_hybridIA_sampling-checkpoint.ipynb
+++ /dev/null
@@ -1,6 +0,0 @@
-{
- "cells": [],
- "metadata": {},
- "nbformat": 4,
- "nbformat_minor": 4
-}