diff --git a/contracts/exchange/contracts/src/MixinMatchOrders.sol b/contracts/exchange/contracts/src/MixinMatchOrders.sol
index 977f147ae2..ec73b79fba 100644
--- a/contracts/exchange/contracts/src/MixinMatchOrders.sol
+++ b/contracts/exchange/contracts/src/MixinMatchOrders.sol
@@ -16,13 +16,10 @@ pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-utils/contracts/src/LibBytes.sol";
 import "@0x/contracts-utils/contracts/src/LibRichErrors.sol";
-import "@0x/contracts-utils/contracts/src/ReentrancyGuard.sol";
 import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol";
 import "@0x/contracts-exchange-libs/contracts/src/LibFillResults.sol";
-import "./interfaces/IAssetProxyDispatcher.sol";
 import "./interfaces/IExchangeRichErrors.sol";
 import "./interfaces/IMatchOrders.sol";
-import "./interfaces/ITransactions.sol";
 import "./LibExchangeRichErrors.sol";
 import "./MixinExchangeCore.sol";
 
diff --git a/contracts/exchange/contracts/src/MixinWrapperFunctions.sol b/contracts/exchange/contracts/src/MixinWrapperFunctions.sol
index 7f4b76b8f3..cfc0484c3f 100644
--- a/contracts/exchange/contracts/src/MixinWrapperFunctions.sol
+++ b/contracts/exchange/contracts/src/MixinWrapperFunctions.sol
@@ -19,9 +19,7 @@
 pragma solidity ^0.5.9;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-utils/contracts/src/ReentrancyGuard.sol";
 import "@0x/contracts-utils/contracts/src/LibRichErrors.sol";
-import "@0x/contracts-exchange-libs/contracts/src/LibMath.sol";
 import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol";
 import "@0x/contracts-exchange-libs/contracts/src/LibFillResults.sol";
 import "./interfaces/IExchangeCore.sol";