diff --git a/contracts/src/bridging/eth/interfaces/IRollup.sol b/contracts/src/bridging/eth/interfaces/IRollup.sol
deleted file mode 100644
index 2095bf1c..00000000
--- a/contracts/src/bridging/eth/interfaces/IRollup.sol
+++ /dev/null
@@ -1,6 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0
-pragma solidity ^0.8.30;
-
-interface IRollup {
-  function sendMessage(address _to, uint256 _fee, bytes calldata _calldata) external payable;
-}