diff --git a/undump.py b/undump.py
deleted file mode 100755
index c3d8993be..000000000
--- a/undump.py
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env python3
-import struct
-import numpy as np
-from pathlib import Path
-
-def undump(fn):
-    with open(fn, 'rb') as df:
-        dims = struct.unpack('=QQQQ', df.read(8*4))
-        (dsz,) = struct.unpack('=Q', df.read(8))
-        ## assume f32
-        data = df.read(dsz)
-        data = [i for (i,) in struct.iter_unpack('=f', data)]
-        return np.array(data).reshape(dims).squeeze()
-
-if __name__ == '__main__':
-    for dfn in sorted(Path('.').glob('*.dump')):
-        darr = undump(dfn)
-        print(f'{dfn}: {darr.shape}\n{darr}')
-