diff --git a/packages/horizon/contracts/HorizonStakingExtension.sol b/packages/horizon/contracts/HorizonStakingExtension.sol
index a30271f9c..ae02eae2d 100644
--- a/packages/horizon/contracts/HorizonStakingExtension.sol
+++ b/packages/horizon/contracts/HorizonStakingExtension.sol
@@ -173,6 +173,16 @@ contract HorizonStakingExtension is StakingBackwardsCompatibility, IHorizonStaki
         return provisions[_serviceProvider][_verifier];
     }
 
+    function setDelegationFeeCut(
+        address _serviceProvider,
+        address _verifier,
+        uint256 _feeType,
+        uint256 _feeCut
+    ) external override {
+        delegationFeeCut[_serviceProvider][_verifier][_feeType] = _feeCut;
+        emit DelegationFeeCutSet(_serviceProvider, _verifier, _feeType, _feeCut);
+    }
+
     /**
      * @dev Receive an Indexer's stake from L1.
      * The specified amount is added to the indexer's stake; the indexer's
diff --git a/packages/horizon/contracts/HorizonStakingStorage.sol b/packages/horizon/contracts/HorizonStakingStorage.sol
index 58c563113..a97e4b70e 100644
--- a/packages/horizon/contracts/HorizonStakingStorage.sol
+++ b/packages/horizon/contracts/HorizonStakingStorage.sol
@@ -102,9 +102,8 @@ abstract contract HorizonStakingV1Storage is Managed, IHorizonStakingTypes {
     mapping(address => bool) private __DEPRECATED_assetHolders; // solhint-disable-line var-name-mixedcase
 
     /// @dev Destination of accrued rewards : beneficiary => rewards destination
-    /// Data services may optionally use this to determine where to send a service provider's
-    /// fees or rewards, or restake them if this is empty.
-    mapping(address => address) internal rewardsDestination;
+    /// Deprecated, defined by each data service as needed
+    mapping(address => address) internal __DEPRECATED_rewardsDestination;
 
     /// @dev Address of the counterpart Staking contract on L1/L2
     address internal counterpartStakingAddress;
@@ -115,10 +114,6 @@ abstract contract HorizonStakingV1Storage is Managed, IHorizonStakingTypes {
     uint32 internal __DEPRECATED_lambdaNumerator;
     uint32 internal __DEPRECATED_lambdaDenominator;
 
-    /// Verifier allowlist by service provider
-    /// serviceProvider => verifier => allowed
-    mapping(address => mapping(address => bool)) internal verifierAllowlist;
-
     /// Maximum thawing period, in seconds, for a provision
     uint64 internal maxThawingPeriod;
 
diff --git a/packages/horizon/contracts/IHorizonStakingExtension.sol b/packages/horizon/contracts/IHorizonStakingExtension.sol
index 2f3da8e59..91fd02bce 100644
--- a/packages/horizon/contracts/IHorizonStakingExtension.sol
+++ b/packages/horizon/contracts/IHorizonStakingExtension.sol
@@ -11,6 +11,13 @@ interface IHorizonStakingExtension {
      */
     event OperatorSet(address indexed serviceProvider, address indexed operator, address verifier, bool allowed);
 
+    event DelegationFeeCutSet(
+        address indexed serviceProvider,
+        address indexed verifier,
+        uint256 feeType,
+        uint256 feeCut
+    );
+
     function getStake(address serviceProvider) external view returns (uint256);
 
     function getDelegatedTokensAvailable(address _serviceProvider, address _verifier) external view returns (uint256);
@@ -44,4 +51,11 @@ interface IHorizonStakingExtension {
         address _serviceProvider,
         address _verifier
     ) external view returns (IHorizonStakingTypes.Provision memory);
+
+    function setDelegationFeeCut(
+        address _serviceProvider,
+        address _verifier,
+        uint256 _feeType,
+        uint256 _feeCut
+    ) external;
 }
diff --git a/packages/horizon/contracts/StakingBackwardsCompatibility.sol b/packages/horizon/contracts/StakingBackwardsCompatibility.sol
index 47a198545..9271b077f 100644
--- a/packages/horizon/contracts/StakingBackwardsCompatibility.sol
+++ b/packages/horizon/contracts/StakingBackwardsCompatibility.sol
@@ -159,7 +159,7 @@ abstract contract StakingBackwardsCompatibility is
                 queryRebates = queryRebates - delegationRewards;
 
                 // -- Transfer or restake rebates --
-                _sendRewards(queryRebates, alloc.indexer, rewardsDestination[alloc.indexer] == address(0));
+                _sendRewards(queryRebates, alloc.indexer, __DEPRECATED_rewardsDestination[alloc.indexer] == address(0));
             }
         }
 
@@ -437,7 +437,7 @@ abstract contract StakingBackwardsCompatibility is
         uint256 indexerRewards = totalRewards - delegationRewards;
 
         // Send the indexer rewards
-        _sendRewards(indexerRewards, _indexer, rewardsDestination[_indexer] == address(0));
+        _sendRewards(indexerRewards, _indexer, __DEPRECATED_rewardsDestination[_indexer] == address(0));
     }
 
     /**
@@ -454,7 +454,7 @@ abstract contract StakingBackwardsCompatibility is
             _stake(_beneficiary, _amount);
         } else {
             // Transfer funds to the beneficiary's designated rewards destination if set
-            address destination = rewardsDestination[_beneficiary];
+            address destination = __DEPRECATED_rewardsDestination[_beneficiary];
             TokenUtils.pushTokens(_graphToken(), destination == address(0) ? _beneficiary : destination, _amount);
         }
     }