1 files changed, 0 insertions, 70 deletions
diff --git a/packages/contracts/contracts/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol b/packages/contracts/contracts/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
deleted file mode 100644
index 2e5bd4348..000000000
--- a/packages/contracts/contracts/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
+++ /dev/null
@@ -1,70 +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 "../ERC20Token/ERC20Token.sol";
-
-
-contract UnlimitedAllowanceERC20Token is
-    ERC20Token
-{
-    uint256 constant internal MAX_UINT = 2**256 - 1;
-
-    /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited allowance. See https://github.com/ethereum/EIPs/issues/717
-    /// @param _from Address to transfer from.
-    /// @param _to Address to transfer to.
-    /// @param _value Amount to transfer.
-    /// @return Success of transfer.
-    function transferFrom(
-        address _from,
-        address _to,
-        uint256 _value
-    )
-        external
-        returns (bool)
-    {
-        uint256 allowance = allowed[_from][msg.sender];
-        require(
-            balances[_from] >= _value,
-            "ERC20_INSUFFICIENT_BALANCE"
-        );
-        require(
-            allowance >= _value,
-            "ERC20_INSUFFICIENT_ALLOWANCE"
-        );
-        require(
-            balances[_to] + _value >= balances[_to],
-            "UINT256_OVERFLOW"
-        );
-
-        balances[_to] += _value;
-        balances[_from] -= _value;
-        if (allowance < MAX_UINT) {
-            allowed[_from][msg.sender] -= _value;
-        }
-
-        emit Transfer(
-            _from,
-            _to,
-            _value
-        );
-
-        return true;
-    }
-}