diff --git a/contracts/asset-proxy/contracts/src/bridges/Eth2DaiBridge.sol b/contracts/asset-proxy/contracts/src/bridges/Eth2DaiBridge.sol
index d95f57a856..28be6df443 100644
--- a/contracts/asset-proxy/contracts/src/bridges/Eth2DaiBridge.sol
+++ b/contracts/asset-proxy/contracts/src/bridges/Eth2DaiBridge.sol
@@ -33,9 +33,6 @@ contract Eth2DaiBridge is
     /* Mainnet addresses */
     address constant public ETH2DAI_ADDRESS = 0x39755357759cE0d7f32dC8dC45414CCa409AE24e;
 
-    /// @dev Whether we've granted an allowance to a spender for a token.
-    mapping (address => mapping (address => bool)) private _hasAllowance;
-
     /// @dev Callback for `IERC20Bridge`. Tries to buy `amount` of
     ///      `toTokenAddress` tokens by selling the entirety of the opposing asset
     ///      (DAI or WETH) to the Eth2Dai contract, then transfers the bought
@@ -98,8 +95,7 @@ contract Eth2DaiBridge is
         return IEth2Dai(ETH2DAI_ADDRESS);
     }
 
-    /// @dev Grants an unlimited allowance to `spender` for `tokenAddress` token,
-    ///      if we haven't done so already.
+    /// @dev Grants an unlimited allowance to `spender` for `tokenAddress` token.
     /// @param spender The spender address.
     /// @param tokenAddress The token address.
     function _grantAllowanceForToken(
@@ -108,11 +104,7 @@ contract Eth2DaiBridge is
     )
         private
     {
-        mapping (address => bool) storage spenderHasAllowance = _hasAllowance[spender];
-        if (!spenderHasAllowance[tokenAddress]) {
-            spenderHasAllowance[tokenAddress] = true;
-            IERC20Token(tokenAddress).approve(spender, uint256(-1));
-        }
+        IERC20Token(tokenAddress).approve(spender, uint256(-1));
     }
 
     /// @dev Permissively transfers an ERC20 token that may not adhere to
diff --git a/contracts/asset-proxy/test/eth2dai_bridge.ts b/contracts/asset-proxy/test/eth2dai_bridge.ts
index 5f24e29596..f8958a00ef 100644
--- a/contracts/asset-proxy/test/eth2dai_bridge.ts
+++ b/contracts/asset-proxy/test/eth2dai_bridge.ts
@@ -154,16 +154,6 @@ blockchainTests.resets('Eth2DaiBridge unit tests', env => {
             expect(approvals[0].allowance).to.bignumber.eq(constants.MAX_UINT256);
         });
 
-        it('does not set an unlimited allowance on the `fromTokenAddress` token if already set', async () => {
-            const { opts } = await withdrawToAsync();
-            const { logs } = await withdrawToAsync({ fromTokenAddress: opts.fromTokenAddress });
-            const approvals = filterLogsToArguments<TestEth2DaiBridgeTokenApproveEventArgs>(
-                logs,
-                TestEth2DaiBridgeEvents.TokenApprove,
-            );
-            expect(approvals.length).to.eq(0);
-        });
-
         it('transfers filled amount to `to`', async () => {
             const { opts, logs } = await withdrawToAsync();
             const transfers = filterLogsToArguments<TestEth2DaiBridgeTokenTransferEventArgs>(