diff --git a/contracts/interfaces/IAsset.sol b/contracts/interfaces/IAsset.sol
index c0f6238..f14c84f 100644
--- a/contracts/interfaces/IAsset.sol
+++ b/contracts/interfaces/IAsset.sol
@@ -5,10 +5,4 @@ import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
 
 interface IAsset is IERC721 {
   function batchMint(address to, uint256[] memory tokenIds) external;
-
-  function burn(address owner, uint256[] memory ids) external;
-
-  function ownerOf(uint256 tokenId) external view returns (address owner);
-
-  function isLocked(uint256 tokenId) external view returns (bool);
 }