diff --git a/contracts/EthStorageContract.sol b/contracts/EthStorageContract.sol
index 94c514c..8ab7406 100644
--- a/contracts/EthStorageContract.sol
+++ b/contracts/EthStorageContract.sol
@@ -164,8 +164,4 @@ contract EthStorageContract is StorageContract, Decoder {
 
         emit PutBlob(kvIdx, length, dataHash);
     }
-
-    function getHashByKvIdx(uint256 kvIdx) public view returns (bytes32) {
-        return kvMap[idxMap[kvIdx]].hash;
-    }
 }