diff --git a/examples/conftest.py b/examples/conftest.py
index 5b21d9cafe..6f5f7b355d 100644
--- a/examples/conftest.py
+++ b/examples/conftest.py
@@ -28,4 +28,5 @@
     collect_ignore_glob += [
         "gallery/demos/bokeh/point_draw_triangulate.ipynb",
         "reference/elements/*/TriMesh.ipynb",
+        "user_guide/15-Large_Data.ipynb",
     ]