diff --git a/Makefile b/Makefile
index e4af1767..b936df0a 100644
--- a/Makefile
+++ b/Makefile
@@ -77,32 +77,6 @@ deploy-all: # SOURCE_CHAIN, SOURCE_RPC, TARGET_CHAIN, TARGET_RPC, OPTIONS
 	@echo "⚠️ Please authorize bridges on RLCLiquidityUnifier and RLCCrosschainToken contracts."
 	# TODO verify contracts after deployment.
 
-#
-# High-level upgrade targets
-#
-
-upgrade-on-anvil:
-	$(MAKE) upgrade-all \
-		SOURCE_CHAIN=sepolia SOURCE_RPC=$(ANVIL_SEPOLIA_RPC_URL) \
-		TARGET_CHAIN=arbitrum_sepolia TARGET_RPC=$(ANVIL_ARBITRUM_SEPOLIA_RPC_URL)
-
-upgrade-on-mainnets:
-	$(MAKE) upgrade-all \
-		SOURCE_CHAIN=ethereum SOURCE_RPC=$(ETHEREUM_RPC_URL) \
-		TARGET_CHAIN=arbitrum TARGET_RPC=$(ARBITRUM_RPC_URL) \
-		OPTIONS=--verify
-
-# TODO : RLCMultichain and RLCLiquidityUnifier upgrades
-upgrade-on-testnets:
-	$(MAKE) upgrade-all \
-		SOURCE_CHAIN=sepolia SOURCE_RPC=$(SEPOLIA_RPC_URL) \
-		TARGET_CHAIN=arbitrum_sepolia TARGET_RPC=$(ARBITRUM_SEPOLIA_RPC_URL) \
-		OPTIONS=--verify
-
-upgrade-all: # SOURCE_CHAIN, SOURCE_RPC, TARGET_CHAIN, TARGET_RPC, OPTIONS
-	$(MAKE) upgrade-contract CONTRACT=bridges/layerZero/IexecLayerZeroBridge CHAIN=$(SOURCE_CHAIN) RPC_URL=$(SOURCE_RPC) OPTIONS=$(OPTIONS)
-	$(MAKE) upgrade-contract CONTRACT=bridges/layerZero/IexecLayerZeroBridge CHAIN=$(TARGET_CHAIN) RPC_URL=$(TARGET_RPC) OPTIONS=$(OPTIONS)
-
 #
 # Generic deployment targets
 #
@@ -116,19 +90,6 @@ deploy-contract: # CONTRACT, CHAIN, RPC_URL, OPTIONS
 		--broadcast \
 		-vvv
 
-#
-# Generic upgrade targets
-#
-
-upgrade-contract: # CONTRACT, CHAIN, RPC_URL, OPTIONS
-	@echo "Upgrading $(CONTRACT) on $(CHAIN) with options: $(OPTIONS)"
-	CHAIN=$(CHAIN) forge script script/$(CONTRACT).s.sol:Upgrade \
-		--rpc-url $(RPC_URL) \
-		--account $(ACCOUNT) \
-		--broadcast \
-		$(OPTIONS) \
-		-vvv
-
 #
 # Generic configuration targets
 #
@@ -142,13 +103,6 @@ configure-bridge: # SOURCE_CHAIN, TARGET_CHAIN, RPC_URL
 		--broadcast \
 		-vvv
 
-#
-# Individual upgrade targets
-#
-
-upgrade-layerzero-bridge: # CHAIN, RPC_URL
-	$(MAKE) upgrade-contract CONTRACT=bridges/layerZero/IexecLayerZeroBridge CHAIN=$(CHAIN) RPC_URL=$(RPC_URL)
-
 #
 # Bridge operations.
 #
diff --git a/script/RLCCrosschainToken.s.sol b/script/RLCCrosschainToken.s.sol
index 07076e8f..505c4aa0 100644
--- a/script/RLCCrosschainToken.s.sol
+++ b/script/RLCCrosschainToken.s.sol
@@ -4,9 +4,9 @@
 pragma solidity ^0.8.22;
 
 import {Script} from "forge-std/Script.sol";
-import {Upgrades} from "openzeppelin-foundry-upgrades/Upgrades.sol";
+import {Options} from "openzeppelin-foundry-upgrades/Upgrades.sol";
 import {RLCCrosschainToken} from "../src/RLCCrosschainToken.sol";
-import {UUPSProxyDeployer} from "./lib/UUPSProxyDeployer.sol";
+import {UUPSProxyUtils} from "./lib/UUPSProxyUtils.sol";
 import {ConfigLib} from "./lib/ConfigLib.sol";
 
 /**
@@ -58,6 +58,31 @@ contract Deploy is Script {
     ) public returns (address) {
         bytes memory initData =
             abi.encodeWithSelector(RLCCrosschainToken.initialize.selector, name, symbol, initialAdmin, initialUpgrader);
-        return UUPSProxyDeployer.deployUsingCreateX("RLCCrosschainToken", "", initData, createxFactory, createxSalt);
+        return UUPSProxyUtils.deployUsingCreateX("RLCCrosschainToken", "", initData, createxFactory, createxSalt);
+    }
+}
+
+contract Upgrade is Script {
+    function run() external {
+        vm.startBroadcast();
+        upgrade({
+            proxyAddress: address(0), // Replace with the actual proxy address
+            contractName: "", // e.g., "ContractV2.sol:ContractV2"
+            constructorData: new bytes(0), // Replace with the actual constructor data
+            initData: new bytes(0) // Replace with the actual initialization data
+        });
+        vm.stopBroadcast();
+    }
+
+    // TODO add tests in `RLCCrosschainTokenUpgrade.t.sol`.
+    function upgrade(
+        address proxyAddress,
+        string memory contractName,
+        bytes memory constructorData,
+        bytes memory initData
+    ) public {
+        Options memory opts;
+        opts.constructorData = constructorData;
+        UUPSProxyUtils.executeUpgrade(proxyAddress, contractName, initData, opts);
     }
 }
diff --git a/script/RLCLiquidityUnifier.s.sol b/script/RLCLiquidityUnifier.s.sol
index bb5a6147..8ac11d33 100644
--- a/script/RLCLiquidityUnifier.s.sol
+++ b/script/RLCLiquidityUnifier.s.sol
@@ -4,11 +4,10 @@
 pragma solidity ^0.8.22;
 
 import {Script} from "forge-std/Script.sol";
-import {Upgrades} from "openzeppelin-foundry-upgrades/Upgrades.sol";
+import {Options} from "openzeppelin-foundry-upgrades/Upgrades.sol";
 import {RLCLiquidityUnifier} from "../src/RLCLiquidityUnifier.sol";
-import {UUPSProxyDeployer} from "./lib/UUPSProxyDeployer.sol";
+import {UUPSProxyUtils} from "./lib/UUPSProxyUtils.sol";
 import {ConfigLib} from "./lib/ConfigLib.sol";
-import {UpgradeUtils} from "./lib/UpgradeUtils.sol";
 /**
  * Deployment script for the RLCLiquidityUnifier contract.
  * It reads configuration from a JSON file and deploys the contract using CreateX.
@@ -57,7 +56,7 @@ contract Deploy is Script {
         bytes memory constructorData = abi.encode(rlcToken);
         bytes memory initData =
             abi.encodeWithSelector(RLCLiquidityUnifier.initialize.selector, initialAdmin, initialUpgrader);
-        return UUPSProxyDeployer.deployUsingCreateX(
+        return UUPSProxyUtils.deployUsingCreateX(
             "RLCLiquidityUnifier", constructorData, initData, createxFactory, createxSalt
         );
     }
@@ -65,17 +64,24 @@ contract Deploy is Script {
 
 contract Upgrade is Script {
     function run() external {
-        string memory chain = vm.envString("CHAIN");
-        ConfigLib.CommonConfigParams memory commonParams = ConfigLib.readCommonConfig(chain);
-
         vm.startBroadcast();
-        UpgradeUtils.UpgradeParams memory params = UpgradeUtils.UpgradeParams({
-            proxyAddress: commonParams.rlcLiquidityUnifierAddress,
-            constructorData: abi.encode(commonParams.rlcToken),
-            contractName: "RLCLiquidityUnifierV2Mock.sol:RLCLiquidityUnifierV2", // Would be production contract in real deployment
-            newStateVariable: 1000000 * 10 ** 9
+        upgrade({
+            proxyAddress: address(0), // Replace with the actual proxy address
+            contractName: "", // e.g., "ContractV2.sol:ContractV2"
+            constructorData: new bytes(0), // Replace with the actual constructor data
+            initData: new bytes(0) // Replace with the actual initialization data
         });
-        UpgradeUtils.executeUpgrade(params);
         vm.stopBroadcast();
     }
+
+    function upgrade(
+        address proxyAddress,
+        string memory contractName,
+        bytes memory constructorData,
+        bytes memory initData
+    ) public {
+        Options memory opts;
+        opts.constructorData = constructorData;
+        UUPSProxyUtils.executeUpgrade(proxyAddress, contractName, initData, opts);
+    }
 }
diff --git a/script/bridges/layerZero/IexecLayerZeroBridge.s.sol b/script/bridges/layerZero/IexecLayerZeroBridge.s.sol
index d6541999..52f1774d 100644
--- a/script/bridges/layerZero/IexecLayerZeroBridge.s.sol
+++ b/script/bridges/layerZero/IexecLayerZeroBridge.s.sol
@@ -3,15 +3,14 @@
 pragma solidity ^0.8.22;
 
 import {Script} from "forge-std/Script.sol";
-import {Upgrades} from "openzeppelin-foundry-upgrades/Upgrades.sol";
+import {Options} from "openzeppelin-foundry-upgrades/Upgrades.sol";
 import {EnforcedOptionParam} from "@layerzerolabs/oapp-evm/contracts/oapp/libs/OAppOptionsType3.sol";
 import {OptionsBuilder} from "@layerzerolabs/oapp-evm/contracts/oapp/libs/OptionsBuilder.sol";
 import {ConfigLib} from "./../../lib/ConfigLib.sol";
 import {IexecLayerZeroBridge} from "../../../src/bridges/layerZero/IexecLayerZeroBridge.sol";
 import {RLCLiquidityUnifier} from "../../../src/RLCLiquidityUnifier.sol";
 import {RLCCrosschainToken} from "../../../src/RLCCrosschainToken.sol";
-import {UUPSProxyDeployer} from "../../lib/UUPSProxyDeployer.sol";
-import {UpgradeUtils} from "../../lib/UpgradeUtils.sol";
+import {UUPSProxyUtils} from "../../lib/UUPSProxyUtils.sol";
 
 contract Deploy is Script {
     /**
@@ -53,12 +52,19 @@ contract Deploy is Script {
         bytes memory initializeData = abi.encodeWithSelector(
             IexecLayerZeroBridge.initialize.selector, initialAdmin, initialUpgrader, initialPauser
         );
-        return UUPSProxyDeployer.deployUsingCreateX(
+        return UUPSProxyUtils.deployUsingCreateX(
             "IexecLayerZeroBridge", constructorData, initializeData, createxFactory, createxSalt
         );
     }
 }
 
+/**
+ * This script is used to configure the IexecLayerZeroBridge contract on both source
+ * and target chains.
+ * It sets required LayerZero bridge config: peer address and enforced options.
+ * It also grants the bridge the necessary roles in the RLCCrosschainToken contract
+ * or RLCLiquidityUnifier contract, depending on the configuration.
+ */
 contract Configure is Script {
     using OptionsBuilder for bytes;
 
@@ -93,22 +99,30 @@ contract Configure is Script {
 
 contract Upgrade is Script {
     function run() external {
-        string memory chain = vm.envString("CHAIN");
-        ConfigLib.CommonConfigParams memory commonParams = ConfigLib.readCommonConfig(chain);
-
-        // For testing purpose
-        uint256 newStateVariable = 1000000 * 10 ** 9;
-        address bridgeableToken = commonParams.approvalRequired
-            ? commonParams.rlcLiquidityUnifierAddress
-            : commonParams.rlcCrosschainTokenAddress;
         vm.startBroadcast();
-        UpgradeUtils.UpgradeParams memory params = UpgradeUtils.UpgradeParams({
-            proxyAddress: commonParams.iexecLayerZeroBridgeAddress,
-            constructorData: abi.encode(commonParams.approvalRequired, bridgeableToken, commonParams.lzEndpoint),
-            contractName: "IexecLayerZeroBridgeV2Mock.sol:IexecLayerZeroBridgeV2", // Would be production contract in real deployment
-            newStateVariable: newStateVariable
+        upgrade({
+            proxyAddress: address(0), // Replace with the actual proxy address
+            contractName: "", // e.g., "ContractV2.sol:ContractV2"
+            constructorData: new bytes(0), // Replace with the actual constructor data
+            initData: new bytes(0) // Replace with the actual initialization data
         });
-        UpgradeUtils.executeUpgrade(params);
         vm.stopBroadcast();
     }
+
+    function upgrade(
+        address proxyAddress,
+        string memory contractName,
+        bytes memory constructorData,
+        bytes memory initData
+    ) public {
+        Options memory opts;
+        opts.constructorData = constructorData;
+        // Ignore checks related to LayerZero contracts:
+        // - OAppSenderUpgradeable
+        // - OAppReceiverUpgradeable
+        // - OFTCoreUpgradeable
+        // - OAppCoreUpgradeable
+        opts.unsafeAllow = "constructor,state-variable-immutable,missing-initializer-call";
+        UUPSProxyUtils.executeUpgrade(proxyAddress, contractName, initData, opts);
+    }
 }
diff --git a/script/lib/UUPSProxyDeployer.sol b/script/lib/UUPSProxyUtils.sol
similarity index 73%
rename from script/lib/UUPSProxyDeployer.sol
rename to script/lib/UUPSProxyUtils.sol
index 9dfeb5b8..5c9d063b 100644
--- a/script/lib/UUPSProxyDeployer.sol
+++ b/script/lib/UUPSProxyUtils.sol
@@ -7,12 +7,13 @@ import {Vm} from "forge-std/Vm.sol";
 import {StdConstants} from "forge-std/StdConstants.sol";
 import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
 import {ICreateX} from "@createx/contracts/ICreateX.sol";
+import {Upgrades, Options} from "openzeppelin-foundry-upgrades/Upgrades.sol";
 
 /**
  * @notice Utility library for deploying UUPS proxy contracts and their implementations
  * using the CreateX Factory.
  */
-library UUPSProxyDeployer {
+library UUPSProxyUtils {
     /// @dev Reference to the VM cheat codes from forge-std
     Vm private constant vm = StdConstants.VM;
 
@@ -64,4 +65,24 @@ library UUPSProxyDeployer {
         console.log("Implementation deployed at:", implementation);
         return implementation;
     }
+
+    /**
+     * Upgrades a UUPS proxy contract to a new implementation.
+     * @param proxyAddress address of the UUPS proxy contract to upgrade
+     * @param contractName name of the contract to upgrade (e.g. "ContractV2.sol:ContractV2")
+     * @param opts options for the upgrade, such as unsafeAllow and others.
+     * @param initData initialization data for the proxy contract after upgrade
+     * @return newImplementation address of the new implementation contract
+     */
+    function executeUpgrade(
+        address proxyAddress,
+        string memory contractName,
+        bytes memory initData,
+        Options memory opts
+    ) internal returns (address newImplementation) {
+        Upgrades.upgradeProxy(proxyAddress, contractName, initData, opts);
+        newImplementation = Upgrades.getImplementationAddress(proxyAddress);
+        console.log("Upgraded", contractName, " proxy to new implementation", newImplementation);
+        return newImplementation;
+    }
 }
diff --git a/script/lib/UpgradeUtils.sol b/script/lib/UpgradeUtils.sol
deleted file mode 100644
index 2eca2edc..00000000
--- a/script/lib/UpgradeUtils.sol
+++ /dev/null
@@ -1,52 +0,0 @@
-// SPDX-FileCopyrightText: 2025 IEXEC BLOCKCHAIN TECH <contact@iex.ec>
-// SPDX-License-Identifier: Apache-2.0
-pragma solidity ^0.8.22;
-
-import {Upgrades, Options} from "openzeppelin-foundry-upgrades/Upgrades.sol";
-
-/**
- * @title UpgradeUtils
- * @notice Utility library for handling UUPS upgrades in a parameterized way
- */
-library UpgradeUtils {
-    struct UpgradeParams {
-        address proxyAddress;
-        string contractName;
-        bytes constructorData;
-        uint256 newStateVariable; // For initialization
-    }
-
-    // Event for upgrade tracking
-    event UpgradeExecuted(string contractName, address indexed proxy, address indexed newImplementation);
-
-    /**
-     * @notice Executes an Adapter upgrade with V2 initialization
-     * @param params Upgrade parameters (rlcToken field is required for ADAPTER)
-     * @return newImplementationAddress Address of the new implementation
-     */
-    function executeUpgrade(UpgradeParams memory params) internal returns (address) {
-        Options memory opts = _buildOptions(params);
-        bytes memory initData = abi.encodeWithSignature("initializeV2(uint256)", params.newStateVariable);
-
-        Upgrades.upgradeProxy(params.proxyAddress, params.contractName, initData, opts);
-        address newImplementation = Upgrades.getImplementationAddress(params.proxyAddress);
-        emit UpgradeExecuted(params.contractName, params.proxyAddress, newImplementation);
-
-        return newImplementation;
-    }
-
-    /**
-     * @notice Builds Options struct for upgrades
-     * @param params Upgrade parameters
-     * @return opts Configured Options struct
-     */
-    function _buildOptions(UpgradeParams memory params) private pure returns (Options memory opts) {
-        opts.constructorData = params.constructorData;
-        // Ignore check related to LayerZero contracts:
-        // - OAppSenderUpgradeable
-        // - OAppReceiverUpgradeable
-        // - OFTCoreUpgradeable
-        // - OAppCoreUpgradeable
-        opts.unsafeAllow = "constructor,state-variable-immutable,missing-initializer-call";
-    }
-}
diff --git a/test/units/RLCLiquidityUnifierUpgrade.t.sol b/test/units/RLCLiquidityUnifierUpgrade.t.sol
index ffa3412d..056a847b 100644
--- a/test/units/RLCLiquidityUnifierUpgrade.t.sol
+++ b/test/units/RLCLiquidityUnifierUpgrade.t.sol
@@ -3,12 +3,14 @@
 pragma solidity ^0.8.22;
 
 import {TestHelperOz5} from "@layerzerolabs/test-devtools-evm-foundry/contracts/TestHelperOz5.sol";
-import {RLCLiquidityUnifierV2} from "../../src/mocks/RLCLiquidityUnifierV2Mock.sol";
 import {RLCLiquidityUnifier} from "../../src/RLCLiquidityUnifier.sol";
 import {TestUtils} from "./utils/TestUtils.sol";
-import {UpgradeUtils} from "../../script/lib/UpgradeUtils.sol";
+import {UUPSProxyUtils} from "../../script/lib/UUPSProxyUtils.sol";
 import {RLCMock} from "./mocks/RLCMock.sol";
+import {RLCLiquidityUnifierV2} from "./mocks/RLCLiquidityUnifierV2Mock.sol";
+import {Upgrade as RLCLiquidityUnifierUpgradeScript} from "../../script/RLCLiquidityUnifier.s.sol";
 
+// TODO remove useless LZ setup (endpoint, ...).
 contract RLCLiquidityUnifierUpgradeTest is TestHelperOz5 {
     using TestUtils for *;
 
@@ -55,18 +57,14 @@ contract RLCLiquidityUnifierUpgradeTest is TestHelperOz5 {
         assertTrue(rlcLiquidityUnifierV1.hasRole(rlcLiquidityUnifierV1.DEFAULT_ADMIN_ROLE(), admin));
         assertTrue(rlcLiquidityUnifierV1.hasRole(rlcLiquidityUnifierV1.UPGRADER_ROLE(), upgrader));
 
-        // 3. Perform upgrade using UpgradeUtils directly
+        // 3. Perform upgrade
         vm.startPrank(upgrader);
-
-        UpgradeUtils.UpgradeParams memory params = UpgradeUtils.UpgradeParams({
+        new RLCLiquidityUnifierUpgradeScript().upgrade({
             proxyAddress: proxyAddress,
+            contractName:  "RLCLiquidityUnifierV2Mock.sol:RLCLiquidityUnifierV2",
             constructorData: abi.encode(rlcToken),
-            contractName: "RLCLiquidityUnifierV2Mock.sol:RLCLiquidityUnifierV2",
-            newStateVariable: NEW_STATE_VARIABLE
+            initData: abi.encodeWithSignature("initializeV2(uint256)", NEW_STATE_VARIABLE)
         });
-
-        UpgradeUtils.executeUpgrade(params);
-
         vm.stopPrank();
 
         rlcLiquidityUnifierV2 = RLCLiquidityUnifierV2(proxyAddress);
diff --git a/test/units/bridges/layerZero/IexecLayerZeroBridgeUpgrade.t.sol b/test/units/bridges/layerZero/IexecLayerZeroBridgeUpgrade.t.sol
index ceec7cac..216911e0 100644
--- a/test/units/bridges/layerZero/IexecLayerZeroBridgeUpgrade.t.sol
+++ b/test/units/bridges/layerZero/IexecLayerZeroBridgeUpgrade.t.sol
@@ -3,11 +3,12 @@
 pragma solidity ^0.8.22;
 
 import {TestHelperOz5} from "@layerzerolabs/test-devtools-evm-foundry/contracts/TestHelperOz5.sol";
-import {IexecLayerZeroBridgeV2} from "../../../../src/mocks/IexecLayerZeroBridgeV2Mock.sol";
+import {IexecLayerZeroBridgeV2} from "../../mocks/IexecLayerZeroBridgeV2Mock.sol";
 import {TestUtils} from "./../../utils/TestUtils.sol";
-import {UpgradeUtils} from "../../../../script/lib/UpgradeUtils.sol";
+import {UUPSProxyUtils} from "../../../../script/lib/UUPSProxyUtils.sol";
 import {IexecLayerZeroBridge} from "../../../../src/bridges/layerZero/IexecLayerZeroBridge.sol";
 import {RLCCrosschainToken} from "../../../../src/RLCCrosschainToken.sol";
+import {Upgrade as IexecLayerZeroBridgeUpgradeScript} from "../../../../script/bridges/layerZero/IexecLayerZeroBridge.s.sol";
 
 contract IexecLayerZeroBridgeUpgradeTest is TestHelperOz5 {
     using TestUtils for *;
@@ -51,17 +52,14 @@ contract IexecLayerZeroBridgeUpgradeTest is TestHelperOz5 {
         assertTrue(iexecLayerZeroBridgeV1.hasRole(iexecLayerZeroBridgeV1.UPGRADER_ROLE(), upgrader));
         assertTrue(iexecLayerZeroBridgeV1.hasRole(iexecLayerZeroBridgeV1.PAUSER_ROLE(), pauser));
 
-        // 3. Perform upgrade using UpgradeUtils directly
+        // 3. Perform upgrade
         vm.startPrank(upgrader);
-        UpgradeUtils.UpgradeParams memory params = UpgradeUtils.UpgradeParams({
+        new IexecLayerZeroBridgeUpgradeScript().upgrade({
             proxyAddress: proxyAddress,
+            contractName:  "IexecLayerZeroBridgeV2Mock.sol:IexecLayerZeroBridgeV2",
             constructorData: abi.encode(false, rlcCrosschainToken, mockEndpoint),
-            contractName: "IexecLayerZeroBridgeV2Mock.sol:IexecLayerZeroBridgeV2",
-            newStateVariable: NEW_STATE_VARIABLE
+            initData: abi.encodeWithSignature("initializeV2(uint256)", NEW_STATE_VARIABLE)
         });
-
-        UpgradeUtils.executeUpgrade(params);
-
         vm.stopPrank();
 
         iexecLayerZeroBridgeV2 = IexecLayerZeroBridgeV2(proxyAddress);
diff --git a/src/mocks/IexecLayerZeroBridgeV2Mock.sol b/test/units/mocks/IexecLayerZeroBridgeV2Mock.sol
similarity index 92%
rename from src/mocks/IexecLayerZeroBridgeV2Mock.sol
rename to test/units/mocks/IexecLayerZeroBridgeV2Mock.sol
index 6ee77705..019d1f56 100644
--- a/src/mocks/IexecLayerZeroBridgeV2Mock.sol
+++ b/test/units/mocks/IexecLayerZeroBridgeV2Mock.sol
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 pragma solidity ^0.8.22;
 
-import {IexecLayerZeroBridge} from "../bridges/layerZero/IexecLayerZeroBridge.sol";
+import {IexecLayerZeroBridge} from "../../../src/bridges/layerZero/IexecLayerZeroBridge.sol";
 
 /**
  * @title IexecLayerZeroBridgeV2 - V2 implementation with additional features
diff --git a/src/mocks/RLCLiquidityUnifierV2Mock.sol b/test/units/mocks/RLCLiquidityUnifierV2Mock.sol
similarity index 93%
rename from src/mocks/RLCLiquidityUnifierV2Mock.sol
rename to test/units/mocks/RLCLiquidityUnifierV2Mock.sol
index 90644e20..2814bf5b 100644
--- a/src/mocks/RLCLiquidityUnifierV2Mock.sol
+++ b/test/units/mocks/RLCLiquidityUnifierV2Mock.sol
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 pragma solidity ^0.8.22;
 
-import {RLCLiquidityUnifier} from "../RLCLiquidityUnifier.sol";
+import {RLCLiquidityUnifier} from "../../../src/RLCLiquidityUnifier.sol";
 
 /**
  * @title RLCLiquidityUnifierV2 - V2 implementation with additional features
diff --git a/test/units/utils/TestUtils.sol b/test/units/utils/TestUtils.sol
index 88671f8b..ddda46e1 100644
--- a/test/units/utils/TestUtils.sol
+++ b/test/units/utils/TestUtils.sol
@@ -6,7 +6,7 @@ import {CreateX} from "@createx/contracts/CreateX.sol";
 import {OptionsBuilder} from "@layerzerolabs/oapp-evm/contracts/oapp/libs/OptionsBuilder.sol";
 import {MessagingFee, SendParam} from "@layerzerolabs/oft-evm/contracts/interfaces/IOFT.sol";
 import {IOFT} from "@layerzerolabs/oft-evm/contracts/interfaces/IOFT.sol";
-import {UUPSProxyDeployer} from "../../../script/lib/UUPSProxyDeployer.sol";
+import {UUPSProxyUtils} from "../../../script/lib/UUPSProxyUtils.sol";
 import {RLCMock} from "../mocks/RLCMock.sol";
 import {IexecLayerZeroBridge} from "../../../src/bridges/layerZero/IexecLayerZeroBridge.sol";
 import {RLCLiquidityUnifier} from "../../../src/RLCLiquidityUnifier.sol";
@@ -45,7 +45,7 @@ library TestUtils {
 
         // Deploy Liquidity Unifier
         rlcLiquidityUnifier = RLCLiquidityUnifier(
-            UUPSProxyDeployer.deployUsingCreateX(
+            UUPSProxyUtils.deployUsingCreateX(
                 "RLCLiquidityUnifier",
                 abi.encode(rlcToken),
                 abi.encodeWithSelector(RLCLiquidityUnifier.initialize.selector, initialAdmin, initialUpgrader),
@@ -56,7 +56,7 @@ library TestUtils {
 
         // Deploy IexecLayerZeroBridgeAdapter
         iexecLayerZeroBridgeChainA = IexecLayerZeroBridge(
-            UUPSProxyDeployer.deployUsingCreateX(
+            UUPSProxyUtils.deployUsingCreateX(
                 "IexecLayerZeroBridge",
                 abi.encode(true, rlcLiquidityUnifier, lzEndpointSource),
                 abi.encodeWithSelector(
@@ -75,7 +75,7 @@ library TestUtils {
         );
         // Deploy IexecLayerZeroBridge
         iexecLayerZeroBridgeChainB = IexecLayerZeroBridge(
-            UUPSProxyDeployer.deployUsingCreateX(
+            UUPSProxyUtils.deployUsingCreateX(
                 "IexecLayerZeroBridge",
                 abi.encode(false, rlcCrosschainToken, lzEndpointDestination),
                 abi.encodeWithSelector(