diff --git a/contracts/lendingpool/LendingPoolLiquidationManager.sol b/contracts/lendingpool/LendingPoolLiquidationManager.sol
index b7daddb9..539edde1 100644
--- a/contracts/lendingpool/LendingPoolLiquidationManager.sol
+++ b/contracts/lendingpool/LendingPoolLiquidationManager.sol
@@ -4,7 +4,6 @@ pragma solidity ^0.6.8;
 import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol';
 import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
 import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol';
-import {Address} from '@openzeppelin/contracts/utils/Address.sol';
 import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol';
 import {
   VersionedInitializable
@@ -33,7 +32,6 @@ contract LendingPoolLiquidationManager is ReentrancyGuard, VersionedInitializabl
   using SafeMath for uint256;
   using WadRayMath for uint256;
   using PercentageMath for uint256;
-  using Address for address;
   using ReserveLogic for ReserveLogic.ReserveData;
   using ReserveConfiguration for ReserveConfiguration.Map;
   using UserConfiguration for UserConfiguration.Map;
diff --git a/contracts/tokenization/ERC20.sol b/contracts/tokenization/ERC20.sol
index d67a15c5..59caf6e8 100644
--- a/contracts/tokenization/ERC20.sol
+++ b/contracts/tokenization/ERC20.sol
@@ -1,10 +1,9 @@
 // SPDX-License-Identifier: agpl-3.0
 pragma solidity ^0.6.8;
 
-import '@openzeppelin/contracts/GSN/Context.sol';
-import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
-import '@openzeppelin/contracts/math/SafeMath.sol';
-import '@openzeppelin/contracts/utils/Address.sol';
+import {Context} from '@openzeppelin/contracts/GSN/Context.sol';
+import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
+import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol';
 
 /**
  * @dev Implementation of the {IERC20} interface.
@@ -32,7 +31,6 @@ import '@openzeppelin/contracts/utils/Address.sol';
  */
 contract ERC20 is Context, IERC20 {
   using SafeMath for uint256;
-  using Address for address;
 
   mapping(address => uint256) private _balances;