diff --git a/plonky2/src/hash/poseidon_crandall.rs b/plonky2/src/hash/poseidon_crandall.rs
deleted file mode 100644
index 8b137891..00000000
--- a/plonky2/src/hash/poseidon_crandall.rs
+++ /dev/null
@@ -1 +0,0 @@
-