diff --git a/contracts/staking/Vester.sol b/contracts/staking/Vester.sol
index c982b43..7a70a5e 100644
--- a/contracts/staking/Vester.sol
+++ b/contracts/staking/Vester.sol
@@ -23,7 +23,6 @@ contract Vester is IVester, IERC20, ReentrancyGuard, Governable {
   address public override rewardTrackerEsCEC;
 
   uint256 public override totalSupply;
-  uint256 public pairSupply;
   bool public needCheckStake;
 
   mapping(address account => uint256 amount) public balances;