diff --git a/foundry/interfaces/ICallbackVerifier.sol b/foundry/interfaces/ICallbackVerifier.sol
index 3054132..6161e55 100644
--- a/foundry/interfaces/ICallbackVerifier.sol
+++ b/foundry/interfaces/ICallbackVerifier.sol
@@ -11,8 +11,6 @@ interface ICallbackVerifier {
         external
         returns (
             uint256 amountOwed,
-            uint256 amountReceived,
-            address tokenOwed,
-            uint16 dataOffset
+            address tokenOwed
         );
 }