diff --git a/src/TwabController.sol b/src/TwabController.sol
index e867136..a7e2d51 100644
--- a/src/TwabController.sol
+++ b/src/TwabController.sol
@@ -1,8 +1,6 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity 0.8.17;
 
-import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
-
 import { TwabLib } from "./libraries/TwabLib.sol";
 import { ObservationLib } from "./libraries/ObservationLib.sol";