diff --git a/contracts/staking/Vester.sol b/contracts/staking/Vester.sol
index a5a54e5..81ef8f2 100644
--- a/contracts/staking/Vester.sol
+++ b/contracts/staking/Vester.sol
@@ -38,8 +38,6 @@ contract Vester is IVester, IERC20, ReentrancyGuard, Governable {
   // 最后claim的时间
   mapping(address account => uint256 time) public lastVestingTimes;
 
-  mapping(address account => uint256 amount) public override transferredAverageStakedAmounts;
-  mapping(address account => uint256 amount) public override transferredCumulativeRewards;
   mapping(address account => uint256 amount) public override cumulativeRewardDeductions;
   mapping(address account => uint256 amount) public override bonusRewards;
 
@@ -124,33 +122,6 @@ contract Vester is IVester, IERC20, ReentrancyGuard, Governable {
     emit Withdraw(account, claimedAmount, balance);
   }
 
-  function transferStakeValues(address _sender, address _receiver) external override nonReentrant {
-    _validateHandler();
-
-    transferredAverageStakedAmounts[_receiver] = getCombinedAverageStakedAmount(_sender);
-    transferredAverageStakedAmounts[_sender] = 0;
-
-    uint256 transferredCumulativeReward = transferredCumulativeRewards[_sender];
-    uint256 cumulativeReward = hasRewardTracker() ? IRewardTracker(rewardTracker).cumulativeRewards(_sender) : 0;
-
-    transferredCumulativeRewards[_receiver] = transferredCumulativeReward + cumulativeReward;
-    cumulativeRewardDeductions[_sender] = cumulativeReward;
-    transferredCumulativeRewards[_sender] = 0;
-
-    bonusRewards[_receiver] = bonusRewards[_sender];
-    bonusRewards[_sender] = 0;
-  }
-
-  function setTransferredAverageStakedAmounts(address _account, uint256 _amount) external override nonReentrant {
-    _validateHandler();
-    transferredAverageStakedAmounts[_account] = _amount;
-  }
-
-  function setTransferredCumulativeRewards(address _account, uint256 _amount) external override nonReentrant {
-    _validateHandler();
-    transferredCumulativeRewards[_account] = _amount;
-  }
-
   function setCumulativeRewardDeductions(address _account, uint256 _amount) external override nonReentrant {
     _validateHandler();
     cumulativeRewardDeductions[_account] = _amount;
@@ -161,12 +132,8 @@ contract Vester is IVester, IERC20, ReentrancyGuard, Governable {
     bonusRewards[_account] = _amount;
   }
 
-  
-
   function getMaxVestableAmount(address _account) public view override returns (uint256) {
-    uint256 transferredCumulativeReward = transferredCumulativeRewards[_account];
-    uint256 bonusReward = bonusRewards[_account];
-    uint256 maxVestableAmount = transferredCumulativeReward + bonusReward;
+    uint256 maxVestableAmount = bonusRewards[_account];
 
     if (hasRewardTracker()) {
       uint256 cumulativeReward = IRewardTracker(rewardTracker).cumulativeRewards(_account);
@@ -186,22 +153,13 @@ contract Vester is IVester, IERC20, ReentrancyGuard, Governable {
     if (!hasRewardTracker()) {
       return 0;
     }
-
+    
     uint256 cumulativeReward = IRewardTracker(rewardTracker).cumulativeRewards(_account);
-    uint256 transferredCumulativeReward = transferredCumulativeRewards[_account];
-    uint256 totalCumulativeReward = cumulativeReward + transferredCumulativeReward;
-    if (totalCumulativeReward == 0) {
+    if (cumulativeReward == 0) {
       return 0;
     }
 
-    uint256 averageStakedAmount = IRewardTracker(rewardTracker).averageStakedAmounts(_account);
-    uint256 transferredAverageStakedAmount = transferredAverageStakedAmounts[_account];
-
-    return
-      (averageStakedAmount * cumulativeReward) /
-      totalCumulativeReward +
-      (transferredAverageStakedAmount * transferredCumulativeReward) /
-      totalCumulativeReward;
+    return IRewardTracker(rewardTracker).averageStakedAmounts(_account);
   }
 
   function getPairAmount(address _account, uint256 _esAmount) public view returns (uint256) {
diff --git a/contracts/staking/interfaces/IVester.sol b/contracts/staking/interfaces/IVester.sol
index 3cf995a..dcc60aa 100644
--- a/contracts/staking/interfaces/IVester.sol
+++ b/contracts/staking/interfaces/IVester.sol
@@ -11,14 +11,9 @@ interface IVester {
   function claimedAmounts(address _account) external view returns (uint256);
   function pairAmounts(address _account) external view returns (uint256);
   function getVestedAmount(address _account) external view returns (uint256);
-  function transferredAverageStakedAmounts(address _account) external view returns (uint256);
-  function transferredCumulativeRewards(address _account) external view returns (uint256);
   function cumulativeRewardDeductions(address _account) external view returns (uint256);
   function bonusRewards(address _account) external view returns (uint256);
 
-  function transferStakeValues(address _sender, address _receiver) external;
-  function setTransferredAverageStakedAmounts(address _account, uint256 _amount) external;
-  function setTransferredCumulativeRewards(address _account, uint256 _amount) external;
   function setCumulativeRewardDeductions(address _account, uint256 _amount) external;
   function setBonusRewards(address _account, uint256 _amount) external;
 
diff --git a/test/testVester.ts b/test/testVester.ts
index 8c7634f..8d488c3 100644
--- a/test/testVester.ts
+++ b/test/testVester.ts
@@ -49,32 +49,6 @@ describe("Vester", function () {
       expect(await vester.hasRewardTracker()).eq(false);
     });
 
-    it("setTransferredAverageStakedAmounts", async () => {
-      const {owner, otherAccount, cec, esCec, vester} = await loadFixture(deployOneContract);
-
-      await expect(vester.setTransferredAverageStakedAmounts(owner.address, 200)).to.be.revertedWith(
-        "Vester: forbidden",
-      );
-
-      await vester.setHandler(owner.address, true);
-
-      expect(await vester.transferredAverageStakedAmounts(owner.address)).eq(0);
-      await vester.setTransferredAverageStakedAmounts(owner.address, 200);
-      expect(await vester.transferredAverageStakedAmounts(owner.address)).eq(200);
-    });
-
-    it("setTransferredCumulativeRewards", async () => {
-      const {owner, otherAccount, cec, esCec, vester} = await loadFixture(deployOneContract);
-
-      await expect(vester.setTransferredCumulativeRewards(owner.address, 200)).to.be.revertedWith("Vester: forbidden");
-
-      await vester.setHandler(owner.address, true);
-
-      expect(await vester.transferredCumulativeRewards(owner.address)).eq(0);
-      await vester.setTransferredCumulativeRewards(owner.address, 200);
-      expect(await vester.transferredCumulativeRewards(owner.address)).eq(200);
-    });
-
     it("setCumulativeRewardDeductions", async () => {
       const {owner, otherAccount, cec, esCec, vester} = await loadFixture(deployOneContract);
       await expect(vester.setCumulativeRewardDeductions(owner.address, 200)).to.be.revertedWith("Vester: forbidden");