diff --git a/contracts/flusher.sol b/contracts/flusher.sol
index 73ce97e..e0b1a91 100644
--- a/contracts/flusher.sol
+++ b/contracts/flusher.sol
@@ -116,7 +116,6 @@ contract Flusher {
     require(_target != address(0), "target-invalid");
     require(_data.length > 0, "data-invalid");
     bytes memory _callData = _data;
-    address _owner = owner;
     assembly {
       let succeeded := delegatecall(gas(), _target, add(_callData, 0x20), mload(_callData), 0, 0)
       switch iszero(succeeded)
@@ -127,7 +126,6 @@ contract Flusher {
         revert(0x00, size)
       }
     }
-    require(_owner == owner, "owner-change-denied");
   }
 
   receive() external payable {}