diff --git a/scripts/bootstrap/.env.example b/scripts/bootstrap/.env.example
index 98bca7c3..ad143850 100644
--- a/scripts/bootstrap/.env.example
+++ b/scripts/bootstrap/.env.example
@@ -41,8 +41,6 @@ CHILD_BRIDGE_PAUSER=
 CHILD_BRIDGE_UNPAUSER=
 ## The address to be assigned with ADAPTOR_MANAGER_ROLE in child bridge.
 CHILD_BRIDGE_ADAPTOR_MANAGER=
-## The address to be assigned with TREASURY_MANAGER_ROLE in child bridge.
-CHILD_BRIDGE_TREASURY_MANAGER=
 ## The address to be assigned with DEFAULT_ADMIN_ROLE in child adaptor.
 CHILD_ADAPTOR_DEFAULT_ADMIN=
 ## The address to be assigned with BRIDGE_MANAGER_ROLE in child adaptor.
diff --git a/scripts/bootstrap/6_imx_burning.js b/scripts/bootstrap/6_imx_burning.js
index 1bbecf60..817b02df 100644
--- a/scripts/bootstrap/6_imx_burning.js
+++ b/scripts/bootstrap/6_imx_burning.js
@@ -51,14 +51,16 @@ async function run() {
     console.log("Burn IMX in...");
     await helper.waitForConfirmation();
 
+    let childBridgeObj = JSON.parse(fs.readFileSync('../../out/ChildERC20Bridge.sol/ChildERC20Bridge.json', 'utf8'));
+    let childBridge = new ethers.Contract(childBridgeAddr, childBridgeObj.abi, childProvider);
+
     console.log("Transfer " + imxDepositLimit +  " IMX to child bridge...");
     let [priorityFee, maxFee] = await helper.getFee(adminWallet);
-    let resp = await adminWallet.sendTransaction({
-        to: childBridgeAddr,
+    let resp = await childBridge.connect(adminWallet).treasuryDeposit({
         value: ethers.utils.parseEther(imxDepositLimit),
         maxPriorityFeePerGas: priorityFee,
         maxFeePerGas: maxFee,
-    });
+    })
     await helper.waitForReceipt(resp.hash, childProvider);
     adminBal = await childProvider.getBalance(adminAddr);
     bridgeBal = await childProvider.getBalance(childBridgeAddr);
diff --git a/scripts/bootstrap/README.md b/scripts/bootstrap/README.md
index 80e364ff..190aacf4 100644
--- a/scripts/bootstrap/README.md
+++ b/scripts/bootstrap/README.md
@@ -66,8 +66,6 @@ CHILD_BRIDGE_PAUSER=
 CHILD_BRIDGE_UNPAUSER=
 ## The address to be assigned with ADAPTOR_MANAGER_ROLE in child bridge.
 CHILD_BRIDGE_ADAPTOR_MANAGER=
-## The address to be assigned with TREASURY_MANAGER_ROLE in child bridge.
-CHILD_BRIDGE_TREASURY_MANAGER=
 ## The address to be assigned with DEFAULT_ADMIN_ROLE in child adaptor.
 CHILD_ADAPTOR_DEFAULT_ADMIN=
 ## The address to be assigned with BRIDGE_MANAGER_ROLE in child adaptor.
diff --git a/scripts/deploy/.env.example b/scripts/deploy/.env.example
index db5187ee..dd94dd60 100644
--- a/scripts/deploy/.env.example
+++ b/scripts/deploy/.env.example
@@ -31,8 +31,6 @@ CHILD_BRIDGE_PAUSER=
 CHILD_BRIDGE_UNPAUSER=
 ## The address to be assigned with ADAPTOR_MANAGER_ROLE in child bridge.
 CHILD_BRIDGE_ADAPTOR_MANAGER=
-## The address to be assigned with TREASURY_MANAGER_ROLE in child bridge.
-CHILD_BRIDGE_TREASURY_MANAGER=
 ## The address to be assigned with DEFAULT_ADMIN_ROLE in child adaptor.
 CHILD_ADAPTOR_DEFAULT_ADMIN=
 ## The address to be assigned with BRIDGE_MANAGER_ROLE in child adaptor.
diff --git a/scripts/deploy/child_initialisation.js b/scripts/deploy/child_initialisation.js
index 01ea2b40..f2d418bf 100644
--- a/scripts/deploy/child_initialisation.js
+++ b/scripts/deploy/child_initialisation.js
@@ -15,7 +15,6 @@ exports.initialiseChildContracts = async () => {
     let childBridgePauser = helper.requireEnv("CHILD_BRIDGE_PAUSER");
     let childBridgeUnpauser = helper.requireEnv("CHILD_BRIDGE_UNPAUSER");
     let childBridgeAdaptorManager = helper.requireEnv("CHILD_BRIDGE_ADAPTOR_MANAGER");
-    let childBridgeTreasuryManager = helper.requireEnv("CHILD_BRIDGE_TREASURY_MANAGER");
     let childAdaptorDefaultAdmin = helper.requireEnv("CHILD_ADAPTOR_DEFAULT_ADMIN");
     let childAdaptorBridgeManager = helper.requireEnv("CHILD_ADAPTOR_BRIDGE_MANAGER");
     let childAdaptorGasServiceManager = helper.requireEnv("CHILD_ADAPTOR_GAS_SERVICE_MANAGER");
@@ -62,7 +61,8 @@ exports.initialiseChildContracts = async () => {
             pauser: childBridgePauser,
             unpauser: childBridgeUnpauser,
             adaptorManager: childBridgeAdaptorManager,
-            treasuryManager: childBridgeTreasuryManager,
+            initialDepositor: adminEOAAddr,
+            treasuryManager: multisigAddr,
         },
         childAdaptorAddr, 
         ethers.utils.getAddress(rootAdaptorAddr), 
@@ -70,8 +70,6 @@ exports.initialiseChildContracts = async () => {
         rootChainName, 
         rootIMXAddr, 
         childWIMXAddr,
-        multisigAddr,
-        adminEOAAddr,
     {
         maxPriorityFeePerGas: priorityFee,
         maxFeePerGas: maxFee,
diff --git a/scripts/localdev/.env.local b/scripts/localdev/.env.local
index 534017c6..e4572792 100644
--- a/scripts/localdev/.env.local
+++ b/scripts/localdev/.env.local
@@ -41,8 +41,6 @@ CHILD_BRIDGE_PAUSER=0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
 CHILD_BRIDGE_UNPAUSER=0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
 ## The address to be assigned with ADAPTOR_MANAGER_ROLE in child bridge.
 CHILD_BRIDGE_ADAPTOR_MANAGER=0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
-## The address to be assigned with TREASURY_MANAGER_ROLE in child bridge.
-CHILD_BRIDGE_TREASURY_MANAGER=0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
 ## The address to be assigned with DEFAULT_ADMIN_ROLE in child adaptor.
 CHILD_ADAPTOR_DEFAULT_ADMIN=0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc
 ## The address to be assigned with BRIDGE_MANAGER_ROLE in child adaptor.
diff --git a/src/child/ChildERC20Bridge.sol b/src/child/ChildERC20Bridge.sol
index a368adad..cb4ed464 100644
--- a/src/child/ChildERC20Bridge.sol
+++ b/src/child/ChildERC20Bridge.sol
@@ -67,10 +67,6 @@ contract ChildERC20Bridge is BridgeRoles, IChildERC20BridgeErrors, IChildERC20Br
     address public childETHToken;
     /// @dev The address of the wrapped IMX token on L2.
     address public wIMXToken;
-    /// @dev The address of the multisig contract on L2.
-    address public multisigContract;
-    /// @dev The address that will perform the initial depositing of IMX on L2.
-    address public initialDepositor;
 
     /**
      * @notice Initialization function for ChildERC20Bridge.
@@ -90,15 +86,13 @@ contract ChildERC20Bridge is BridgeRoles, IChildERC20BridgeErrors, IChildERC20Br
         address newChildTokenTemplate,
         string memory newRootChain,
         address newRootIMXToken,
-        address newWIMXToken,
-        address newMultisigContract,
-        address newInitialDepositor
+        address newWIMXToken
     ) public initializer {
         if (
             newBridgeAdaptor == address(0) || newChildTokenTemplate == address(0) || newRootIMXToken == address(0)
                 || newRoles.defaultAdmin == address(0) || newRoles.pauser == address(0) || newRoles.unpauser == address(0)
                 || newRoles.adaptorManager == address(0) || newRoles.treasuryManager == address(0)
-                || newWIMXToken == address(0) || newMultisigContract == address(0) || newInitialDepositor == address(0)
+                || newWIMXToken == address(0)
         ) {
             revert ZeroAddress();
         }
@@ -118,6 +112,7 @@ contract ChildERC20Bridge is BridgeRoles, IChildERC20BridgeErrors, IChildERC20Br
         _grantRole(PAUSER_ROLE, newRoles.pauser);
         _grantRole(UNPAUSER_ROLE, newRoles.unpauser);
         _grantRole(ADAPTOR_MANAGER_ROLE, newRoles.adaptorManager);
+        _grantRole(TREASURY_MANAGER_ROLE, newRoles.initialDepositor);
         _grantRole(TREASURY_MANAGER_ROLE, newRoles.treasuryManager);
 
         rootERC20BridgeAdaptor = newRootERC20BridgeAdaptor;
@@ -126,8 +121,6 @@ contract ChildERC20Bridge is BridgeRoles, IChildERC20BridgeErrors, IChildERC20Br
         rootChain = newRootChain;
         rootIMXToken = newRootIMXToken;
         wIMXToken = newWIMXToken;
-        multisigContract = newMultisigContract;
-        initialDepositor = newInitialDepositor;
 
         // NOTE: how will this behave in an updgrade scenario?
         // e.g. this clone may already be deployed and we could deploy to the same address if the salt is the same.
@@ -148,7 +141,7 @@ contract ChildERC20Bridge is BridgeRoles, IChildERC20BridgeErrors, IChildERC20Br
      */
     receive() external payable whenNotPaused {
         // Revert if sender is not the WIMX token address
-        if (_msgSender() != wIMXToken && _msgSender() != multisigContract && _msgSender() != initialDepositor) {
+        if (msg.sender != wIMXToken) {
             revert NonPermittedNativeTransfer();
         }
     }
diff --git a/src/interfaces/child/IChildERC20Bridge.sol b/src/interfaces/child/IChildERC20Bridge.sol
index 2971f857..612fbdc7 100644
--- a/src/interfaces/child/IChildERC20Bridge.sol
+++ b/src/interfaces/child/IChildERC20Bridge.sol
@@ -22,6 +22,7 @@ interface IChildERC20Bridge {
         address pauser; // The address which will inherit `PAUSER_ROLE`.
         address unpauser; // The address which will inherit `UNPAUSER_ROLE`.
         address adaptorManager; // The address which will inherit `ADAPTOR_MANAGER_ROLE`.
+        address initialDepositor; // The address which will inherit `TREASURY_MANAGER_ROLE`.
         address treasuryManager; // The address which will inherit `TREASURY_MANAGER_ROLE`.
     }
 
diff --git a/test/integration/child/ChildAxelarBridge.t.sol b/test/integration/child/ChildAxelarBridge.t.sol
index 66a46155..4dcc88b4 100644
--- a/test/integration/child/ChildAxelarBridge.t.sol
+++ b/test/integration/child/ChildAxelarBridge.t.sol
@@ -23,8 +23,6 @@ contract ChildERC20BridgeIntegrationTest is Test, IChildERC20BridgeEvents, IChil
     address constant IMX_TOKEN_ADDRESS = address(0xccc);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
     address constant NATIVE_ETH = address(0xeee);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
 
     ChildERC20Bridge public childERC20Bridge;
     ChildERC20 public childERC20;
@@ -46,6 +44,7 @@ contract ChildERC20BridgeIntegrationTest is Test, IChildERC20BridgeEvents, IChil
             pauser: address(this),
             unpauser: address(this),
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childERC20Bridge.initialize(
@@ -55,9 +54,7 @@ contract ChildERC20BridgeIntegrationTest is Test, IChildERC20BridgeEvents, IChil
             address(childERC20),
             ROOT_CHAIN_NAME,
             IMX_TOKEN_ADDRESS,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
 
         IChildAxelarBridgeAdaptor.InitializationRoles memory adaptorRoles = IChildAxelarBridgeAdaptor
diff --git a/test/unit/child/ChildERC20Bridge.t.sol b/test/unit/child/ChildERC20Bridge.t.sol
index 50aa762a..b82e16f5 100644
--- a/test/unit/child/ChildERC20Bridge.t.sol
+++ b/test/unit/child/ChildERC20Bridge.t.sol
@@ -21,20 +21,20 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant CHILD_WIMX_TOKEN = address(0xabc);
     address constant NATIVE_ETH = address(0xeee);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public rootToken;
     address public childETHToken;
     ChildERC20Bridge public childBridge;
 
     address treasuryManager = makeAddr("treasuryManager");
+    address initialDepositor = makeAddr("initialDepositor");
 
     IChildERC20Bridge.InitializationRoles roles = IChildERC20Bridge.InitializationRoles({
         defaultAdmin: address(this),
         pauser: pauser,
         unpauser: unpauser,
         adaptorManager: address(this),
+        initialDepositor: initialDepositor,
         treasuryManager: treasuryManager
     });
 
@@ -54,9 +54,7 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            CHILD_WIMX_TOKEN,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            CHILD_WIMX_TOKEN
         );
     }
 
@@ -170,9 +168,7 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            CHILD_WIMX_TOKEN,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            CHILD_WIMX_TOKEN
         );
     }
 
@@ -180,117 +176,47 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         roles.defaultAdmin = address(0);
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressPauser() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         roles.pauser = address(0);
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressUnpauser() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         roles.unpauser = address(0);
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressAdapter() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         roles.adaptorManager = address(0);
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(0),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(0), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressTreasuryManager() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         roles.treasuryManager = address(0);
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressChildTemplate() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(0),
-            ROOT_CHAIN_NAME,
-            address(1),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(0), ROOT_CHAIN_NAME, address(1), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressIMXToken() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         vm.expectRevert(ZeroAddress.selector);
-        bridge.initialize(
-            roles,
-            address(1),
-            ROOT_BRIDGE_ADAPTOR,
-            address(1),
-            ROOT_CHAIN_NAME,
-            address(0),
-            address(1),
-            address(1),
-            address(1)
-        );
+        bridge.initialize(roles, address(1), ROOT_BRIDGE_ADAPTOR, address(1), ROOT_CHAIN_NAME, address(0), address(1));
     }
 
     function test_RevertIf_InitializeWithAZeroAddressAll() public {
@@ -301,32 +227,14 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
         roles.unpauser = address(0);
         roles.adaptorManager = address(0);
         roles.treasuryManager = address(0);
-        bridge.initialize(
-            roles,
-            address(0),
-            ROOT_BRIDGE_ADAPTOR,
-            address(0),
-            ROOT_CHAIN_NAME,
-            address(0),
-            address(0),
-            address(0),
-            address(0)
-        );
+        bridge.initialize(roles, address(0), ROOT_BRIDGE_ADAPTOR, address(0), ROOT_CHAIN_NAME, address(0), address(0));
     }
 
     function test_RevertIf_InitializeWithAnEmptyBridgeAdaptorString() public {
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         vm.expectRevert(InvalidRootERC20BridgeAdaptor.selector);
         bridge.initialize(
-            roles,
-            address(this),
-            "",
-            address(childTokenTemplate),
-            ROOT_CHAIN_NAME,
-            ROOT_IMX_TOKEN,
-            CHILD_WIMX_TOKEN,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            roles, address(this), "", address(childTokenTemplate), ROOT_CHAIN_NAME, ROOT_IMX_TOKEN, CHILD_WIMX_TOKEN
         );
     }
 
@@ -334,15 +242,7 @@ contract ChildERC20BridgeUnitTest is Test, IChildERC20BridgeEvents, IChildERC20B
         ChildERC20Bridge bridge = new ChildERC20Bridge();
         vm.expectRevert(InvalidRootChain.selector);
         bridge.initialize(
-            roles,
-            address(this),
-            ROOT_BRIDGE_ADAPTOR,
-            address(childTokenTemplate),
-            "",
-            ROOT_IMX_TOKEN,
-            CHILD_WIMX_TOKEN,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            roles, address(this), ROOT_BRIDGE_ADAPTOR, address(childTokenTemplate), "", ROOT_IMX_TOKEN, CHILD_WIMX_TOKEN
         );
     }
 
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdraw.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdraw.t.sol
index 6bdf9a08..8480a46d 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdraw.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdraw.t.sol
@@ -20,8 +20,6 @@ contract ChildERC20BridgeWithdrawUnitTest is Test, IChildERC20BridgeEvents, IChi
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant NATIVE_ETH = address(0xeee);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public rootToken;
     ChildERC20 public childToken;
@@ -43,6 +41,7 @@ contract ChildERC20BridgeWithdrawUnitTest is Test, IChildERC20BridgeEvents, IChi
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge = new ChildERC20Bridge();
@@ -53,9 +52,7 @@ contract ChildERC20BridgeWithdrawUnitTest is Test, IChildERC20BridgeEvents, IChi
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
 
         bytes memory mapTokenData =
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETH.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETH.t.sol
index 71ad3c8d..9bf8e6e6 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETH.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETH.t.sol
@@ -20,8 +20,6 @@ contract ChildERC20BridgeWithdrawETHUnitTest is Test, IChildERC20BridgeEvents, I
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant NATIVE_ETH = address(0xeee);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public childETHToken;
     ChildERC20Bridge public childBridge;
@@ -38,6 +36,7 @@ contract ChildERC20BridgeWithdrawETHUnitTest is Test, IChildERC20BridgeEvents, I
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -47,9 +46,7 @@ contract ChildERC20BridgeWithdrawETHUnitTest is Test, IChildERC20BridgeEvents, I
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
 
         childETHToken = ChildERC20(childBridge.childETHToken());
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETHTo.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETHTo.t.sol
index 8bb302b0..0bf1dedb 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETHTo.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawETHTo.t.sol
@@ -23,8 +23,6 @@ contract ChildERC20BridgeWithdrawETHToUnitTest is Test, IChildERC20BridgeEvents,
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant NATIVE_ETH = address(0xeee);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public rootToken;
     ChildERC20 public childToken;
@@ -47,6 +45,7 @@ contract ChildERC20BridgeWithdrawETHToUnitTest is Test, IChildERC20BridgeEvents,
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -56,9 +55,7 @@ contract ChildERC20BridgeWithdrawETHToUnitTest is Test, IChildERC20BridgeEvents,
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
 
         bytes memory mapTokenData =
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMX.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMX.t.sol
index 9c2c4d15..f315ab73 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMX.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMX.t.sol
@@ -19,8 +19,6 @@ contract ChildERC20BridgeWithdrawIMXUnitTest is Test, IChildERC20BridgeEvents, I
     string constant ROOT_CHAIN_NAME = "test";
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20Bridge public childBridge;
     MockAdaptor public mockAdaptor;
@@ -37,6 +35,7 @@ contract ChildERC20BridgeWithdrawIMXUnitTest is Test, IChildERC20BridgeEvents, I
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -46,9 +45,7 @@ contract ChildERC20BridgeWithdrawIMXUnitTest is Test, IChildERC20BridgeEvents, I
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
     }
 
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMXTo.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMXTo.t.sol
index 547e8874..e0452839 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMXTo.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawIMXTo.t.sol
@@ -20,8 +20,6 @@ contract ChildERC20BridgeWithdrawIMXToUnitTest is Test, IChildERC20BridgeEvents,
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
     address constant NATIVE_ETH = address(0xeee);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public rootToken;
     ChildERC20 public childToken;
@@ -41,6 +39,7 @@ contract ChildERC20BridgeWithdrawIMXToUnitTest is Test, IChildERC20BridgeEvents,
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -50,9 +49,7 @@ contract ChildERC20BridgeWithdrawIMXToUnitTest is Test, IChildERC20BridgeEvents,
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
     }
 
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawTo.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawTo.t.sol
index ef025bbd..107d97da 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawTo.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawTo.t.sol
@@ -20,8 +20,6 @@ contract ChildERC20BridgeWithdrawToUnitTest is Test, IChildERC20BridgeEvents, IC
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
     address constant NATIVE_ETH = address(0xeee);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20 public rootToken;
     ChildERC20 public childToken;
@@ -43,6 +41,7 @@ contract ChildERC20BridgeWithdrawToUnitTest is Test, IChildERC20BridgeEvents, IC
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge = new ChildERC20Bridge();
@@ -53,9 +52,7 @@ contract ChildERC20BridgeWithdrawToUnitTest is Test, IChildERC20BridgeEvents, IC
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            WIMX_TOKEN_ADDRESS,
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            WIMX_TOKEN_ADDRESS
         );
 
         bytes memory mapTokenData =
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMX.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMX.t.sol
index d5527b16..d2f57bc2 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMX.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMX.t.sol
@@ -19,8 +19,6 @@ contract ChildERC20BridgeWithdrawWIMXUnitTest is Test, IChildERC20BridgeEvents,
     string public ROOT_BRIDGE_ADAPTOR = Strings.toHexString(address(4));
     string constant ROOT_CHAIN_NAME = "test";
     address constant ROOT_IMX_TOKEN = address(0xccc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20Bridge public childBridge;
     MockAdaptor public mockAdaptor;
@@ -41,6 +39,7 @@ contract ChildERC20BridgeWithdrawWIMXUnitTest is Test, IChildERC20BridgeEvents,
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -50,9 +49,7 @@ contract ChildERC20BridgeWithdrawWIMXUnitTest is Test, IChildERC20BridgeEvents,
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            address(wIMXToken),
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            address(wIMXToken)
         );
     }
 
diff --git a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMXTo.t.sol b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMXTo.t.sol
index ed881903..c529f968 100644
--- a/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMXTo.t.sol
+++ b/test/unit/child/withdrawals/ChildERC20BridgeWithdrawWIMXTo.t.sol
@@ -21,8 +21,6 @@ contract ChildERC20BridgeWithdrawWIMXToUnitTest is Test, IChildERC20BridgeEvents
     string constant ROOT_CHAIN_NAME = "test";
     address constant ROOT_IMX_TOKEN = address(0xccc);
     address constant WIMX_TOKEN_ADDRESS = address(0xabc);
-    address constant MULTISIG_ADDRESS = address(0xbbbb);
-    address constant INITIAL_DEPOSITOR = address(0xcccc);
     ChildERC20 public childTokenTemplate;
     ChildERC20Bridge public childBridge;
     MockAdaptor public mockAdaptor;
@@ -43,6 +41,7 @@ contract ChildERC20BridgeWithdrawWIMXToUnitTest is Test, IChildERC20BridgeEvents
             pauser: pauser,
             unpauser: unpauser,
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
@@ -52,9 +51,7 @@ contract ChildERC20BridgeWithdrawWIMXToUnitTest is Test, IChildERC20BridgeEvents
             address(childTokenTemplate),
             ROOT_CHAIN_NAME,
             ROOT_IMX_TOKEN,
-            address(wIMXToken),
-            MULTISIG_ADDRESS,
-            INITIAL_DEPOSITOR
+            address(wIMXToken)
         );
     }
 
diff --git a/test/utils.t.sol b/test/utils.t.sol
index 2735901c..a9ea53f0 100644
--- a/test/utils.t.sol
+++ b/test/utils.t.sol
@@ -58,8 +58,6 @@ contract Utils is Test {
         string memory rootAdaptor = Strings.toHexString(address(99999));
         rootIMX = address(555555);
         rootToken = address(44444);
-        address multisigContract = address(0xbbbb);
-        address initialDepositor = address(0xcccc);
         address childWIMX = address(0xabc);
 
         deployCodeTo("WIMX.sol", childWIMX);
@@ -75,18 +73,11 @@ contract Utils is Test {
             pauser: address(this),
             unpauser: address(this),
             adaptorManager: address(this),
+            initialDepositor: address(this),
             treasuryManager: address(this)
         });
         childBridge.initialize(
-            roles,
-            address(childBridgeAdaptor),
-            rootAdaptor,
-            address(childTokenTemplate),
-            "ROOT",
-            rootIMX,
-            childWIMX,
-            multisigContract,
-            initialDepositor
+            roles, address(childBridgeAdaptor), rootAdaptor, address(childTokenTemplate), "ROOT", rootIMX, childWIMX
         );
 
         IChildAxelarBridgeAdaptor.InitializationRoles memory adaptorRoles = IChildAxelarBridgeAdaptor