diff --git a/docs/images/color.png b/docs/images/color.png
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index aee35b2..0000000
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diff --git a/docs/images/eye.png b/docs/images/eye.png
deleted file mode 100644
index a837bc5..0000000
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diff --git a/docs/images/play.png b/docs/images/play.png
deleted file mode 100644
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diff --git a/docs/images/range.png b/docs/images/range.png
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diff --git a/src/paraview_scripts/paraview_preview.py b/src/paraview_scripts/paraview_preview.py
index 258d6bb..efa810e 100755
--- a/src/paraview_scripts/paraview_preview.py
+++ b/src/paraview_scripts/paraview_preview.py
@@ -40,11 +40,8 @@ def run_preview(files: list[str]) -> None:
     animationScene.Play()
 
 
-def run() -> None:
+if __name__ == "__main__":
     layer = os.environ["GERBER2EMS_PREVIEW_LAYER"]
 
     files = get_sim_results(layer)
     run_preview(files)
-
-
-run()