diff --git a/scripts/transpile-merge.sh b/scripts/transpile-merge.sh
index 425c781..773b37a 100755
--- a/scripts/transpile-merge.sh
+++ b/scripts/transpile-merge.sh
@@ -16,8 +16,9 @@ cd ./ERC721A;
 commit="$(git rev-parse HEAD)";
 cd ..;
 
-# Replace the contracts folder with the latest copy.
+# Replace the contracts and test folder with the latest copy.
 rm -r ./contracts;
+rm -r ./test;
 rm -r @openzeppelin;
 rsync -av --progress ERC721A/ ./ \
 	--exclude README.md \
diff --git a/test/extensions/ERC721ALowCap.test.js b/test/extensions/ERC721ALowCap.test.js
deleted file mode 100644
index f233f3d..0000000
--- a/test/extensions/ERC721ALowCap.test.js
+++ /dev/null
@@ -1,125 +0,0 @@
-const { deployContract } = require('../helpers.js');
-const { expect } = require('chai');
-const { BigNumber } = require('ethers');
-const { constants } = require('@openzeppelin/test-helpers');
-const { ZERO_ADDRESS } = constants;
-
-const createTestSuite = ({ contract, constructorArgs, setOwnersExplicit = false }) =>
-  function () {
-    let offseted;
-
-    context(`${contract}`, function () {
-      beforeEach(async function () {
-        this.erc721aLowCap = await deployContract(contract, constructorArgs);
-
-        this.startTokenId = this.erc721aLowCap.startTokenId ? (await this.erc721aLowCap.startTokenId()).toNumber() : 0;
-        offseted = (...arr) => arr.map((num) => BigNumber.from(this.startTokenId + num));
-      });
-
-      context('with minted tokens', async function () {
-        beforeEach(async function () {
-          const [owner, addr1, addr2, addr3, addr4] = await ethers.getSigners();
-          this.owner = owner;
-          this.addr1 = addr1;
-          this.addr2 = addr2;
-          this.addr3 = addr3;
-          this.addr4 = addr4;
-
-          this.addr1.expected = {
-            balance: 1,
-            tokens: offseted(0),
-          };
-
-          this.addr2.expected = {
-            balance: 2,
-            tokens: offseted(1, 2),
-          };
-
-          this.addr3.expected = {
-            balance: 3,
-            tokens: offseted(3, 4, 5),
-          };
-
-          this.addr4.expected = {
-            balance: 0,
-            tokens: [],
-          };
-
-          this.owner.expected = {
-            balance: 3,
-            tokens: offseted(6, 7, 8),
-          };
-
-          this.mintOrder = [this.addr1, this.addr2, this.addr3, this.addr4, owner];
-
-          for (const minter of this.mintOrder) {
-            const balance = minter.expected.balance;
-            if (balance > 0) {
-              await this.erc721aLowCap['safeMint(address,uint256)'](minter.address, balance);
-            }
-            // sanity check
-            expect(await this.erc721aLowCap.balanceOf(minter.address)).to.equal(minter.expected.balance);
-          }
-
-          if (setOwnersExplicit) {
-            // sanity check
-            expect((await this.erc721aLowCap.getOwnershipAt(offseted(4)[0]))[0]).to.equal(ZERO_ADDRESS);
-            await this.erc721aLowCap.setOwnersExplicit(10);
-            // again, sanity check
-            expect((await this.erc721aLowCap.getOwnershipAt(offseted(4)[0]))[0]).to.equal(this.addr3.address);
-          }
-        });
-
-        describe('tokensOfOwner', async function () {
-          it('returns the correct token ids', async function () {
-            for (const minter of this.mintOrder) {
-              const tokens = await this.erc721aLowCap.tokensOfOwner(minter.address);
-              expect(tokens).to.eql(minter.expected.tokens);
-            }
-          });
-
-          it('returns the correct token ids after a transfer interferes with the normal logic', async function () {
-            // Break sequential order by transfering 7th token from owner to addr4
-            const tokenIdToTransfer = offseted(7);
-            await this.erc721aLowCap.transferFrom(this.owner.address, this.addr4.address, tokenIdToTransfer[0]);
-
-            // Load balances
-            const ownerTokens = await this.erc721aLowCap.tokensOfOwner(this.owner.address);
-            const addr4Tokens = await this.erc721aLowCap.tokensOfOwner(this.addr4.address);
-
-            // Verify the function can still read the correct token ids
-            expect(ownerTokens).to.eql(offseted(6, 8));
-            expect(addr4Tokens).to.eql(tokenIdToTransfer);
-          });
-
-          it('returns correct token ids with burned tokens', async function () {
-            // Burn tokens
-            const tokenIdToBurn = offseted(7);
-            await this.erc721aLowCap.burn(tokenIdToBurn[0]);
-
-            // Load balances
-            const ownerTokens = await this.erc721aLowCap.tokensOfOwner(this.owner.address);
-
-            // Verify the function can still read the correct token ids
-            expect(ownerTokens).to.eql(offseted(6, 8));
-          });
-        });
-      });
-    });
-  };
-
-describe('ERC721ALowCap', createTestSuite({ contract: 'ERC721ALowCapMock', constructorArgs: ['Azuki', 'AZUKI'] }));
-
-describe(
-  'ERC721ALowCap override _startTokenId()',
-  createTestSuite({ contract: 'ERC721ALowCapStartTokenIdMock', constructorArgs: ['Azuki', 'AZUKI', 1] })
-);
-
-describe(
-  'ERC721ALowCapOwnersExplicit',
-  createTestSuite({
-    contract: 'ERC721ALowCapOwnersExplicitMock',
-    constructorArgs: ['Azuki', 'AZUKI'],
-    setOwnersExplicit: true,
-  })
-);