diff --git a/contracts/aime/AIMe404Factory.sol b/contracts/aime/AIMe404Factory.sol
deleted file mode 100644
index bf6fdfc..0000000
--- a/contracts/aime/AIMe404Factory.sol
+++ /dev/null
@@ -1,6 +0,0 @@
-// AIMe404 contract
-
-// original NFT contract OR AIMeNFT contract
-
-// FT contract
-
diff --git a/contracts/aime/AIMe404NFT.sol b/contracts/aime/AIMe404NFT.sol
deleted file mode 100644
index 86c8144..0000000
--- a/contracts/aime/AIMe404NFT.sol
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity >=0.8.2 <0.9.0;
-
-import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
-import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
-import "@openzeppelin/contracts/access/Ownable.sol";
-import "@openzeppelin/contracts/utils/Base64.sol";
-import "@openzeppelin/contracts/utils/Strings.sol";
-import "./AIMePower.sol";
-
-contract AIMe404NFT is ERC721, Ownable, ERC721Holder {
-    using Strings for uint256;
-    uint256 public constant AIME_POWER_TOTAL_AMOUNT = 1000000 * 1e18;
-    uint256 public CREATOR_REWARD_AMOUNT;
-    uint256 public aimePowerReserved;
-    address public aimePowerAddress;
-    string public avatar;
-    address private _factory;
-    uint256 private _nextTokenId;
-    
-    mapping(uint256 => AIMeInfo) public tokenContents;
-
-    error AIMeNFTUnauthorizedAccount(address account);
-
-    modifier onlyFactory() {
-        if (factory() != _msgSender()) {
-            revert AIMeNFTUnauthorizedAccount(_msgSender());
-        }
-        _;
-    }
-
-    struct AIMeInfo {
-        string key;
-        string infoType;
-        string content;
-        string image;
-        uint256 amount;
-        uint256 currentAmount;
-    }
-
-    constructor() ERC721("Kai Kang", "KK") Ownable(msg.sender) {
-        _factory = _msgSender();
-
-        AIMePower aimePower = new AIMePower("Kai Kang", "KK");
-        aimePower.mint(address(this), AIME_POWER_TOTAL_AMOUNT);
-        aimePowerReserved = AIME_POWER_TOTAL_AMOUNT;
-        aimePowerAddress = address(aimePower);
-        
-        // mint initial nfts
-        safeMint(address(this), "basic_prompt", "static", "This is the original nft", "QmYR2qU1brQfrLdrf1C8q9nG8bkmnqrYSne254SPYDEfQ4", 0);
-    }
-
-    function factory() public view virtual returns (address) {
-        return _factory;
-    }
-
-    function safeMint(
-        address to,
-        string memory key,
-        string memory infoType,
-        string memory content,
-        string memory image,
-        uint256 amount
-    ) public returns (uint256) {
-        uint256 tokenId = _nextTokenId++;
-        _safeMint(to, tokenId);
-        tokenContents[tokenId] = AIMeInfo(key, infoType, content, image, amount, amount);
-        aimePowerReserved -= amount;
-        return tokenId;
-    }
-
-    function tokenURI(
-        uint256 tokenId
-    ) public view virtual override returns (string memory) {
-        _requireOwned(tokenId);
-
-        string memory imageUrl = string(abi.encodePacked(
-            "https://aime.mypinata.cloud/ipfs/", tokenContents[tokenId].image
-        ));
-
-        string memory json = Base64.encode(
-            bytes(
-                string(
-                    abi.encodePacked(
-                        '{"name": "',
-                        name(),
-                        " #",
-                        tokenId.toString(),
-                        '", "description": "A block of content of AIME go to https://app.aime.bot',
-                        name(),
-                        '", "amount": "',
-                        tokenContents[tokenId].currentAmount.toString(),
-                        '", "image": "',
-                        imageUrl,
-                        '"}'
-                    )
-                )
-            )
-        );
-        string memory output = string(
-            abi.encodePacked("data:application/json;base64,", json)
-        );
-
-        return output;
-    }
-
-    /**
-     * @dev override {ERC721-transferFrom}.
-     */
-    function transferFrom(address from, address to, uint256 tokenId) public virtual override {
-        if (to == address(0)) {
-            revert ERC721InvalidReceiver(address(0));
-        }
-        // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists
-        // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.
-        address previousOwner = _update(to, tokenId, _msgSender());
-        if (previousOwner != from) {
-            revert ERC721IncorrectOwner(from, tokenId, previousOwner);
-        }
-
-        if (to == address(this)) {
-            AIMePower aimePower = AIMePower(aimePowerAddress);
-            bool success = aimePower.transfer(from, tokenContents[tokenId].amount);
-            require(success, "AIMe404NFT: transfer power failed"); // todo: custom error
-        }
-    }
-}
diff --git a/contracts/aime/AIMe404Power.sol b/contracts/aime/AIMe404Power.sol
deleted file mode 100644
index 3908071..0000000
--- a/contracts/aime/AIMe404Power.sol
+++ /dev/null
@@ -1,46 +0,0 @@
-// SPDX-License-Identifier: MIT
-pragma solidity ^0.8.0;
-
-import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
-import "@openzeppelin/contracts/access/Ownable.sol";
-
-contract AIMe404Power is ERC20, Ownable {
-
-    // Event to log arbitrary call data
-    event CallDataLogged(address indexed sender, bytes data);
-
-    constructor() ERC20("KaiKang", "KK") Ownable(msg.sender) {}
-
-    function mint(address to, uint256 amount) public { // todo: only owner
-        _mint(to, amount);
-    }
-
-    /**
-     * @dev See {IERC20-transfer}.
-     *
-     * Requirements:
-     *
-     * - `to` cannot be the zero address.
-     * - the caller must have a balance of at least `value`.
-     */
-    function transfer(address to, uint256 value) public virtual override returns (bool) {
-        address owner = _msgSender();
-        _transfer(owner, to, value);
-        return true;
-    }
-    
-    /**
-     * @dev See {IERC20-transfer}.
-     *
-     * Requirements:
-     *
-     * - `to` cannot be the zero address.
-     * - the caller must have a balance of at least `value`.
-     */
-    function transfer(address to, uint256 value, bytes calldata data) public virtual returns (bool) {
-        address owner = _msgSender();
-        _transfer(owner, to, value);
-        emit CallDataLogged(msg.sender, data);
-        return true;
-    }
-}