diff --git a/contracts/libs/TestUtils.sol b/contracts/libs/TestUtils.sol
deleted file mode 100644
index 6ae06e1..0000000
--- a/contracts/libs/TestUtils.sol
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
-
-import "./Utils.sol";
-
-// exposes public functions for testing
-contract TestUtils {
-
-  function resize(bytes32[] memory array,
-                  uint8 newSize)
-    public
-    pure
-    returns (bytes32[] memory)
-  {
-    return Utils._resize(array, newSize);
-  }
-}
diff --git a/contracts/libs/Utils.sol b/contracts/libs/Utils.sol
index ea4bacb..12ed64e 100644
--- a/contracts/libs/Utils.sol
+++ b/contracts/libs/Utils.sol
@@ -6,25 +6,6 @@ import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
 library Utils {
   using EnumerableSet for EnumerableSet.Bytes32Set;
 
-  function _resize(bytes32[] memory array, uint8 newSize)
-    internal
-    pure
-    returns (bytes32[] memory)
-  {
-    require(newSize <= array.length, "size out of bounds");
-
-    if (newSize == 0) {
-      bytes32[] memory empty;
-      return empty;
-    } else {
-      bytes32[] memory sized = new bytes32[](newSize);
-      for (uint8 i = 0; i < newSize; i++) {
-        sized[i] = array[i];
-      }
-      return sized;
-    }
-  }
-
   function filter(
     EnumerableSet.Bytes32Set storage set,
     function(bytes32) internal view returns (bool) include
diff --git a/test/Utils.test.js b/test/Utils.test.js
deleted file mode 100644
index 7d9799b..0000000
--- a/test/Utils.test.js
+++ /dev/null
@@ -1,45 +0,0 @@
-const { ethers } = require("hardhat")
-const { expect } = require("chai")
-const { hexlify, randomBytes } = ethers.utils
-const { exampleAddress } = require("./examples")
-const { hexZeroPad } = require("ethers/lib/utils")
-
-describe("Utils", function () {
-  let contract
-  let value1
-  let value2
-  let value3
-  let value4
-  let value5
-  let array
-
-  describe("resize", function () {
-    beforeEach(async function () {
-      let Utils = await ethers.getContractFactory("TestUtils")
-      contract = await Utils.deploy()
-      value1 = hexlify(randomBytes(32))
-      value2 = hexlify(randomBytes(32))
-      value3 = hexlify(randomBytes(32))
-      value4 = hexZeroPad(0, 32)
-      value5 = hexZeroPad(0, 32)
-      array = [value1, value2, value3, value4, value5]
-    })
-
-    it("resizes to zero length if new size is 0", async function () {
-      await expect(await contract.resize(array, 0)).to.deep.equal([])
-    })
-
-    it("resizes to specified length", async function () {
-      await expect(await contract.resize(array, 3)).to.deep.equal([
-        value1,
-        value2,
-        value3,
-      ])
-    })
-
-    it("fails to resize to out of bounds length", async function () {
-      await expect(contract.resize(array, 6))
-        .to.be.revertedWith("size out of bounds")
-    })
-  })
-})