diff --git a/contracts/TornadoPool.sol b/contracts/TornadoPool.sol
index 8744774..3e2d5a6 100644
--- a/contracts/TornadoPool.sol
+++ b/contracts/TornadoPool.sol
@@ -25,7 +25,6 @@ import "./MerkleTreeWithHistory.sol";
 contract TornadoPool is MerkleTreeWithHistory, IERC20Receiver, ReentrancyGuard, CrossChainGuard {
   int256 public constant MAX_EXT_AMOUNT = 2**248;
   uint256 public constant MAX_FEE = 2**248;
-  uint256 public constant MIN_EXT_AMOUNT_LIMIT = 0.5 ether;
 
   IVerifier public immutable verifier2;
   IVerifier public immutable verifier16;