message: removed unused import and updated comments
diff: @@ -6,7 +6,6 @@ pragma experimental ABIEncoderV2;
  /* Interface Imports */
  import { iOVM_L1ETHGateway } from "../../../iOVM/bridge/tokens/iOVM_L1ETHGateway.sol";
  import { iOVM_L2DepositedToken } from "../../../iOVM/bridge/tokens/iOVM_L2DepositedToken.sol";
  -import { iOVM_ERC20 } from "../../../iOVM/precompiles/iOVM_ERC20.sol";
  /* Library Imports */
  import { OVM_CrossDomainEnabled } from "../../../libraries/bridge/OVM_CrossDomainEnabled.sol";
  @@ -64,7 +63,7 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  }
  /**
  - * @dev deposit an amount of the ERC20 to the caller's balance on L2
  + * @dev deposit an amount of the ETH to the caller's balance on L2
  */
  function deposit()
  external
  @@ -75,7 +74,7 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  }
  /**
  - * @dev deposit an amount of ERC20 to a recipients's balance on L2
  + * @dev deposit an amount of ETH to a recipients's balance on L2
  * @param _to L2 address to credit the withdrawal to
  */
  function depositTo(
  @@ -89,7 +88,7 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  }
  /**
  - * @dev Performs the logic for deposits by storing the ERC20 and informing the L2 ERC20 Gateway of the deposit.
  + * @dev Performs the logic for deposits by storing the ETH and informing the L2 ETH Gateway of the deposit.
  *
  * @param _from Account to pull the deposit from on L1
  * @param _to Account to give the deposit to on L2
  @@ -100,7 +99,7 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  )
  internal
  {
  - // Construct calldata for l2ERC20Gateway.finalizeDeposit(_to, _amount)
  + // Construct calldata for l2ETHGateway.finalizeDeposit(_to, _amount)
  bytes memory data =
  abi.encodeWithSelector(
  iOVM_L2DepositedToken.finalizeDeposit.selector,
  @@ -124,11 +123,11 @@ contract OVM_L1ETHGateway is iOVM_L1ETHGateway, OVM_CrossDomainEnabled, Lib_Addr
  /**
  * @dev Complete a withdrawal from L2 to L1, and credit funds to the recipient's balance of the
  - * L1 ERC20 token.
  + * L1 ETH token.
  * This call will fail if the initialized withdrawal from L2 has not been finalized.
  *
  * @param _to L1 address to credit the withdrawal to
  - * @param _amount Amount of the ERC20 to withdraw
  + * @param _amount Amount of the ETH to withdraw
  */
  function finalizeWithdrawal(
  address _to,
  