diff --git a/contracts/staking/contracts/src/Staking.sol b/contracts/staking/contracts/src/Staking.sol
index 082db5f1c4..0cae856329 100644
--- a/contracts/staking/contracts/src/Staking.sol
+++ b/contracts/staking/contracts/src/Staking.sol
@@ -31,13 +31,6 @@ contract Staking is
     MixinStake,
     MixinExchangeFees
 {
-    // this contract can receive ETH
-    // solhint-disable no-empty-blocks
-    function ()
-        external
-        payable
-    {}
-
     /// @dev Initialize storage owned by this contract.
     ///      This function should not be called directly.
     ///      The StakingProxy contract will call it in `attachStakingContract()`.
diff --git a/contracts/staking/contracts/test/TestFinalizer.sol b/contracts/staking/contracts/test/TestFinalizer.sol
index 1284360cb1..21c870a043 100644
--- a/contracts/staking/contracts/test/TestFinalizer.sol
+++ b/contracts/staking/contracts/test/TestFinalizer.sol
@@ -63,6 +63,13 @@ contract TestFinalizer is
         _removeAuthorizedAddressAtIndex(msg.sender, 0);
     }
 
+    // this contract can receive ETH
+    // solhint-disable no-empty-blocks
+    function ()
+        external
+        payable
+    {}
+
     /// @dev Activate a pool in the current epoch.
     function addActivePool(
         bytes32 poolId,