diff --git a/contracts/DODOPrivatePool/impl/DPPOracle/DPPOracleAdmin.sol b/contracts/DODOPrivatePool/impl/DPPOracle/DPPOracleAdmin.sol
deleted file mode 100644
index 4f962f2..0000000
--- a/contracts/DODOPrivatePool/impl/DPPOracle/DPPOracleAdmin.sol
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
-
-    Copyright 2021 DODO ZOO.
-    SPDX-License-Identifier: Apache-2.0
-
-*/
-
-pragma solidity 0.6.9;
-pragma experimental ABIEncoderV2;
-
-import {IDPPOracle} from "../../intf/IDPPOracle.sol";
-import {IDODOApproveProxy} from "../../../SmartRoute/DODOApproveProxy.sol";
-import {InitializableOwnable} from "../../../lib/InitializableOwnable.sol";
-
-/**
- * @title DPPOracleAdmin
- * @author DODO Breeder
- *
- * @notice Admin of Oracle DODOPrivatePool
- */
-contract DPPOracleAdmin is InitializableOwnable {
-    address public _DPP_;
-    address public _OPERATOR_;
-    address public _DODO_APPROVE_PROXY_;
-    uint256 public _FREEZE_TIMESTAMP_;
-
-
-    modifier notFreezed() {
-        require(block.timestamp >= _FREEZE_TIMESTAMP_, "ADMIN_FREEZED");
-        _;
-    }
-
-    function init(
-        address owner,
-        address dpp,
-        address operator,
-        address dodoApproveProxy
-    ) external {
-        initOwner(owner);
-        _DPP_ = dpp;
-        _OPERATOR_ = operator;
-        _DODO_APPROVE_PROXY_ = dodoApproveProxy;
-    }
-
-    function sync() external notFreezed onlyOwner {
-        IDPPOracle(_DPP_).ratioSync();
-    }
-
-    function setFreezeTimestamp(uint256 timestamp) external notFreezed onlyOwner {
-        _FREEZE_TIMESTAMP_ = timestamp;
-    }
-
-    function setOperator(address newOperator) external notFreezed onlyOwner {
-        _OPERATOR_ = newOperator;
-    }
-
-    function retrieve(
-        address payable to,
-        address token,
-        uint256 amount
-    ) external notFreezed onlyOwner {
-        IDPPOracle(_DPP_).retrieve(to, token, amount);
-    }
-
-    function changeOracle(address newOracle) external onlyOwner notFreezed {
-        IDPPOracle(_DPP_).changeOracle(newOracle);
-    }
-
-    function enableOracle() external onlyOwner notFreezed {
-        IDPPOracle(_DPP_).enableOracle(); 
-    }
-
-    function disableOracle(uint256 newI) external onlyOwner notFreezed {
-        IDPPOracle(_DPP_).disableOracle(newI); 
-    }
-
-    function tuneParameters(
-        uint256 newLpFeeRate,
-        uint256 newI,
-        uint256 newK,
-        uint256 minBaseReserve,
-        uint256 minQuoteReserve
-    ) external onlyOwner notFreezed returns (bool) {
-        return
-            IDPPOracle(_DPP_).tuneParameters(
-                newLpFeeRate,
-                newI,
-                newK,
-                minBaseReserve,
-                minQuoteReserve
-            );
-    }
-
-    function tunePrice(
-        uint256 newI,
-        uint256 minBaseReserve,
-        uint256 minQuoteReserve
-    ) external onlyOwner notFreezed returns (bool) {
-        return
-            IDPPOracle(_DPP_).tunePrice(
-                newI,
-                minBaseReserve,
-                minQuoteReserve
-            );
-    }
-
-
-    function reset(
-        uint256 newLpFeeRate,
-        uint256 newI,
-        uint256 newK,
-        uint256 baseOutAmount,
-        uint256 quoteOutAmount,
-        uint256 minBaseReserve,
-        uint256 minQuoteReserve
-    ) external onlyOwner notFreezed returns (bool) {
-        return
-            IDPPOracle(_DPP_).reset(
-                _OWNER_, //only support asset transfer out to owner
-                newLpFeeRate,
-                newI,
-                newK,
-                baseOutAmount,
-                quoteOutAmount,
-                minBaseReserve,
-                minQuoteReserve
-            );
-    }
-
-    // ============ Admin Version Control ============
-
-    function version() external pure returns (string memory) {
-        return "DPPOracle Admin 1.1.0";
-    }
-}