diff --git a/latex/insertoverlay.py b/latex/insertoverlay.py
index 6b421df..c244ec0 100644
--- a/latex/insertoverlay.py
+++ b/latex/insertoverlay.py
@@ -28,7 +28,6 @@ def do_file(fn, start=0) :
     # some integer overlays may not be referred to (especially 1), so we add them
     xs |= set(range(1, int(max(xs))))
     newi = dict(zip(sorted(xs), range(1, len(xs)+1)))
-    print(newi)
     for l in ls:
         sys.stdout.write(sub(l, newi))