-   function cancel(bytes32 _id) external onlyOwnerOrSecurityCouncil {
+   function cancel(bytes32 _id) external onlyOwner {
        require(isOperationPending(_id), "Operation must be pending");
        delete timestamps[_id];
        emit OperationCancelled(_id);
    }
    function updateDelay(uint256 _newDelay) external onlySelf {
+       require(_newDelay >= MINIMUM_UPGRADE_DELAY, "whatever";)
        emit ChangeMinDelay(minDelay, _newDelay);
        minDelay = _newDelay;
    }
