diff --git a/contracts/protocols/aave.sol b/contracts/protocols/aave.sol
index a3fd28f..a985acf 100644
--- a/contracts/protocols/aave.sol
+++ b/contracts/protocols/aave.sol
@@ -104,16 +104,16 @@ contract AaveHelpers is DSMath {
      * @dev get Aave Provider Address
     */
     function getAaveProviderAddress() internal pure returns (address) {
-        // return 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8; //mainnet
-        return 0x506B0B2CF20FAA8f38a4E2B524EE43e1f4458Cc5; //kovan
+        return 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8; //mainnet
+        // return 0x506B0B2CF20FAA8f38a4E2B524EE43e1f4458Cc5; //kovan
     }
 
     /**
      * @dev get Chainlink ETH price feed Address
     */
     function getChainlinkEthFeed() internal pure returns (address) {
-        // return 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419; //mainnet
-        return 0x9326BFA02ADD2366b30bacB125260Af641031331; //kovan
+        return 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419; //mainnet
+        // return 0x9326BFA02ADD2366b30bacB125260Af641031331; //kovan
     }
 
     struct AaveUserTokenData {