diff --git a/contracts/exchange/contracts/src/MixinSignatureValidator.sol b/contracts/exchange/contracts/src/MixinSignatureValidator.sol
index 0cb28219d4..06b767089f 100644
--- a/contracts/exchange/contracts/src/MixinSignatureValidator.sol
+++ b/contracts/exchange/contracts/src/MixinSignatureValidator.sol
@@ -123,7 +123,7 @@ contract MixinSignatureValidator is
     /// @param order The order.
     /// @param signerAddress Address that should have signed the given order.
     /// @param signature Proof that the order has been signed by signer.
-    /// @return isValid true if the signature is valid for the given order and signer.
+    /// @return isValid `true` if the signature is valid for the given order and signer.
     function isValidOrderSignature(
         Order memory order,
         address signerAddress,
@@ -146,7 +146,7 @@ contract MixinSignatureValidator is
     /// @param transaction The transaction.
     /// @param signerAddress Address that should have signed the given order.
     /// @param signature Proof that the order has been signed by signer.
-    /// @return isValid true if the signature is valid for the given transaction and signer.
+    /// @return isValid `true` if the signature is valid for the given transaction and signer.
     function isValidTransactionSignature(
         ZeroExTransaction memory transaction,
         address signerAddress,
diff --git a/contracts/exchange/contracts/src/interfaces/IExchangeCore.sol b/contracts/exchange/contracts/src/interfaces/IExchangeCore.sol
index 0f465a2c5c..faad5b1b70 100644
--- a/contracts/exchange/contracts/src/interfaces/IExchangeCore.sol
+++ b/contracts/exchange/contracts/src/interfaces/IExchangeCore.sol
@@ -92,14 +92,6 @@ contract IExchangeCore {
         view
         returns (LibOrder.OrderInfo memory orderInfo);
 
-    /// @dev Calculates Keccak-256 hash of the order.
-    /// @param order The order structure.
-    /// @return Keccak-256 EIP712 hash of the order.
-    function getOrderHash(LibOrder.Order memory order)
-        public
-        view
-        returns (bytes32 orderHash);
-
     /// @dev Validates context for fillOrder. Succeeds or throws.
     /// @param order to be filled.
     /// @param orderInfo OrderStatus, orderHash, and amount already filled of order.