1 files changed, 0 insertions, 56 deletions
diff --git a/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol b/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol
deleted file mode 100644
index c1a86a9c7..000000000
--- a/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.24;
-
-import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-
-
-contract LibConstants {
-
-    // bytes4(keccak256("transfer(address,uint256)"))
-    bytes4 constant internal ERC20_TRANSFER_SELECTOR = 0xa9059cbb;
-    // bytes4(keccak256("ERC20Token(address)"))
-    bytes4 constant internal ERC20_DATA_ID = 0xf47261b0;
-    // bytes4(keccak256("ERC721Token(address,uint256)"))
-    bytes4 constant internal ERC721_DATA_ID = 0x02571792;
- 
-     // solhint-disable var-name-mixedcase
-    IExchange internal EXCHANGE;
-    address internal ERC20_PROXY_ADDRESS;
-    address internal ERC721_PROXY_ADDRESS;
-    // solhint-enable var-name-mixedcase
-
-    constructor (address _exchange)
-        public
-    {
-        EXCHANGE = IExchange(_exchange);
-
-        ERC20_PROXY_ADDRESS = EXCHANGE.getAssetProxy(ERC20_DATA_ID);
-        require(
-            ERC20_PROXY_ADDRESS != address(0),
-            "UNREGISTERED_ASSET_PROXY"
-        );
-
-        ERC721_PROXY_ADDRESS = EXCHANGE.getAssetProxy(ERC721_DATA_ID);
-        require(
-            ERC721_PROXY_ADDRESS != address(0),
-            "UNREGISTERED_ASSET_PROXY"
-        );
-    }
-}