diff --git a/packages/contracts-bedrock/test/L2/Predeploys.t.sol b/packages/contracts-bedrock/test/L2/Predeploys.t.sol
index ebf3eb019f1ac..ccbe0ff9fa243 100644
--- a/packages/contracts-bedrock/test/L2/Predeploys.t.sol
+++ b/packages/contracts-bedrock/test/L2/Predeploys.t.sol
@@ -106,10 +106,7 @@ contract PredeploysBaseTest is CommonTest {
             }
 
             if (_isInitializable(addr)) {
-                assertEq(l2Genesis.loadInitializedSlot({
-                    _sourceName: cname,
-                    _deploymentName: cname
-                }), uint8(1));
+                assertEq(l2Genesis.loadInitializedSlot({ _sourceName: cname, _deploymentName: cname }), uint8(1));
             }
         }
     }
diff --git a/packages/contracts-bedrock/test/vendor/Initializable.t.sol b/packages/contracts-bedrock/test/vendor/Initializable.t.sol
index ac52676171ed5..382b18d61b492 100644
--- a/packages/contracts-bedrock/test/vendor/Initializable.t.sol
+++ b/packages/contracts-bedrock/test/vendor/Initializable.t.sol
@@ -416,19 +416,12 @@ contract Initializer_Test is CommonTest {
         for (uint256 i; i < contracts.length; i++) {
             InitializeableContract memory _contract = contracts[i];
             string memory deploymentName = _getRealContractName(_contract.name);
-            string memory sourceName = deploymentName;
 
             // Grab the value of the "initialized" storage slot.
-            // Check if the contract name ends with `Proxy` and, if so override the contract name which is used to
-            // retrieve the storage layout.
-            if (LibString.endsWith(deploymentName, "Proxy")) {
-                sourceName = LibString.slice(deploymentName, 0, bytes(deploymentName).length - 5);
-            }
-            if (LibString.endsWith(deploymentName, "Impl")) {
-                sourceName = LibString.slice(deploymentName, 0, bytes(deploymentName).length - 4);
-            }
-            uint8 initializedSlotVal;
-            initializedSlotVal = deploy.loadInitializedSlot(sourceName, deploymentName);
+            uint8 initializedSlotVal = deploy.loadInitializedSlot({
+                _sourceName: _removeSuffix(deploymentName),
+                _deploymentName: deploymentName
+            });
 
             // Assert that the contract is already initialized.
             assertTrue(
@@ -481,4 +474,14 @@ contract Initializer_Test is CommonTest {
             revert("Initializer_Test: Invalid returndata format. Expected `Error(string)`");
         }
     }
+
+    /// @dev Removes the `Proxy` or `Impl` suffix from the contract name.
+    function _removeSuffix(string memory _contractName) internal pure returns (string memory deploymentName_) {
+        if (LibString.endsWith(_contractName, "Proxy")) {
+            deploymentName_ = LibString.slice(_contractName, 0, bytes(_contractName).length - 5);
+        }
+        if (LibString.endsWith(_contractName, "Impl")) {
+            deploymentName_ = LibString.slice(_contractName, 0, bytes(_contractName).length - 4);
+        }
+    }
 }