diff --git a/contracts/dnsregistrar/SimplePublicSuffixList.sol b/contracts/dnsregistrar/SimplePublicSuffixList.sol
index 1d6b8aa5..c4e8f6b5 100644
--- a/contracts/dnsregistrar/SimplePublicSuffixList.sol
+++ b/contracts/dnsregistrar/SimplePublicSuffixList.sol
@@ -1,7 +1,7 @@
 pragma solidity ^0.8.4;
 pragma experimental ABIEncoderV2;
 
-import "../root/Ownable.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
 import "./PublicSuffixList.sol";
 
 contract SimplePublicSuffixList is PublicSuffixList, Ownable {
diff --git a/contracts/root/Ownable.sol b/contracts/root/Ownable.sol
deleted file mode 100644
index 7517097e..00000000
--- a/contracts/root/Ownable.sol
+++ /dev/null
@@ -1,28 +0,0 @@
-pragma solidity ^0.8.4;
-
-contract Ownable {
-    address public owner;
-
-    event OwnershipTransferred(
-        address indexed previousOwner,
-        address indexed newOwner
-    );
-
-    modifier onlyOwner() {
-        require(isOwner(msg.sender));
-        _;
-    }
-
-    constructor() public {
-        owner = msg.sender;
-    }
-
-    function transferOwnership(address newOwner) public onlyOwner {
-        emit OwnershipTransferred(owner, newOwner);
-        owner = newOwner;
-    }
-
-    function isOwner(address addr) public view returns (bool) {
-        return owner == addr;
-    }
-}