diff --git a/src/experimental/note.txt b/src/experimental/note.txt
index 81134e13..2b353fb2 100644
--- a/src/experimental/note.txt
+++ b/src/experimental/note.txt
@@ -1,7 +1,6 @@
 - deprecate polysections, use sweep.
 - deprecate trianglate, use tri_ear_clipping.
 - sort supports a list of ints?
-- dedup px_xxx?
 - px_union, px_intersection, px_difference?
 
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