diff --git a/contracts/schemes/Auction4Reputation.sol b/contracts/schemes/Auction4Reputation.sol
index b0d64064..6f2d8e70 100644
--- a/contracts/schemes/Auction4Reputation.sol
+++ b/contracts/schemes/Auction4Reputation.sol
@@ -9,7 +9,7 @@ import "../libs/SafeERC20.sol";
  */
 
 
-contract Auction4Reputation is Ownable {
+contract Auction4Reputation {
     using SafeMath for uint256;
     using SafeERC20 for address;
 
diff --git a/contracts/schemes/ExternalLocking4Reputation.sol b/contracts/schemes/ExternalLocking4Reputation.sol
index cbf013dd..9fb20688 100644
--- a/contracts/schemes/ExternalLocking4Reputation.sol
+++ b/contracts/schemes/ExternalLocking4Reputation.sol
@@ -6,7 +6,7 @@ import "./Locking4Reputation.sol";
  * @title A scheme for external locking Tokens for reputation
  */
 
-contract ExternalLocking4Reputation is Locking4Reputation, Ownable {
+contract ExternalLocking4Reputation is Locking4Reputation {
 
     event Register(address indexed _beneficiary);