diff --git a/src/base/BaseV4Quoter.sol b/src/base/BaseV4Quoter.sol
index 52bacdb3..55e57742 100644
--- a/src/base/BaseV4Quoter.sol
+++ b/src/base/BaseV4Quoter.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
 
 import {IPoolManager} from "@uniswap/v4-core/src/interfaces/IPoolManager.sol";
 import {BalanceDelta} from "@uniswap/v4-core/src/types/BalanceDelta.sol";
diff --git a/test/mocks/MockBadSubscribers.sol b/test/mocks/MockBadSubscribers.sol
index 525687e0..a430185d 100644
--- a/test/mocks/MockBadSubscribers.sol
+++ b/test/mocks/MockBadSubscribers.sol
@@ -48,9 +48,7 @@ contract MockReturnDataSubscriber is ISubscriber {
         notifyModifyLiquidityCount++;
     }
 
-    function notifyBurn(uint256 tokenId, address owner, PositionInfo info, uint256 liquidity, BalanceDelta feesAccrued)
-        external
-    {
+    function notifyBurn(uint256, address, PositionInfo, uint256, BalanceDelta) external pure {
         return;
     }
 
@@ -92,9 +90,7 @@ contract MockRevertSubscriber is ISubscriber {
         revert TestRevert("notifyModifyLiquidity");
     }
 
-    function notifyBurn(uint256 tokenId, address owner, PositionInfo info, uint256 liquidity, BalanceDelta feesAccrued)
-        external
-    {
+    function notifyBurn(uint256, address, PositionInfo, uint256, BalanceDelta) external pure {
         return;
     }
 
diff --git a/test/mocks/MockSubscriber.sol b/test/mocks/MockSubscriber.sol
index c38cb646..fb126927 100644
--- a/test/mocks/MockSubscriber.sol
+++ b/test/mocks/MockSubscriber.sol
@@ -47,10 +47,7 @@ contract MockSubscriber is ISubscriber {
         feesAccrued = _feesAccrued;
     }
 
-    function notifyBurn(uint256 tokenId, address owner, PositionInfo info, uint256 liquidity, BalanceDelta feesAccrued)
-        external
-        onlyByPosm
-    {
+    function notifyBurn(uint256, address, PositionInfo, uint256, BalanceDelta) external onlyByPosm {
         notifyBurnCount++;
     }
 }