diff --git a/codex/merkletree/poseidon2merkletree.nim b/codex/merkletree/poseidon2merkletree.nim
deleted file mode 100644
index dec995eb..00000000
--- a/codex/merkletree/poseidon2merkletree.nim
+++ /dev/null
@@ -1,39 +0,0 @@
-## Nim-Codex
-## Copyright (c) 2023 Status Research & Development GmbH
-## Licensed under either of
-##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
-##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
-## at your option.
-## This file may not be copied, modified, or distributed except according to
-## those terms.
-
-import pkg/poseidon2
-import pkg/constantine/math/io/io_fields
-
-import ./merkletree
-
-export merkletree, poseidon2
-
-type
-  Poseidon2Hash* = F
-
-  PoseidonKeysEnum* {.pure.} = enum
-    KeyNone               = "0x0"
-    KeyBottomLayer        = "0x1"
-    KeyOdd                = "0x2"
-    KeyOddAndBottomLayer  = "0x3"
-
-  MerkleTreePoseidon2* = MerkleTree[Poseidon2Hash, PoseidonKeysEnum]
-  MerkleProofPoseidon2* = MerkleProof[Poseidon2Hash, PoseidonKeysEnum]
-
-converter toKey*(x: PoseidonKeysEnum): Poseidon2Hash =
-  return Poseidon2Hash.fromHex($x)
-
-func init*(_: type MerkleTreePoseidon2, leaves: seq[Poseidon2Hash]): MerkleTreePoseidon2 =
-  let
-    compress = proc(
-      x, y: Poseidon2Hash,
-      key: PoseidonKeysEnum): Poseidon2Hash {.noSideEffect.} =
-      poseidon2.compress( x, y, key )
-
-  MerkleTreePoseidon2(compress: compress, leaves: leaves, zero: zero)