diff --git a/packages/contracts-bedrock/test/L1/L1StandardBridge.t.sol b/packages/contracts-bedrock/test/L1/L1StandardBridge.t.sol
index 6acf740938e..1761a130415 100644
--- a/packages/contracts-bedrock/test/L1/L1StandardBridge.t.sol
+++ b/packages/contracts-bedrock/test/L1/L1StandardBridge.t.sol
@@ -15,6 +15,7 @@ import { Predeploys } from "src/libraries/Predeploys.sol";
 import { AddressAliasHelper } from "src/vendor/AddressAliasHelper.sol";
 import { EIP1967Helper } from "test/mocks/EIP1967Helper.sol";
 import { Features } from "src/libraries/Features.sol";
+import { DevFeatures } from "src/libraries/DevFeatures.sol";
 
 // Interfaces
 import { ICrossDomainMessenger } from "interfaces/universal/ICrossDomainMessenger.sol";
@@ -332,6 +333,7 @@ contract L1StandardBridge_Paused_Test is CommonTest {
 contract L1StandardBridge_Receive_Test is CommonTest {
     /// @notice Tests receive bridges ETH successfully.
     function test_receive_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         uint256 portalBalanceBefore = address(optimismPortal2).balance;
         uint256 ethLockboxBalanceBefore = address(ethLockbox).balance;
 
@@ -386,6 +388,7 @@ contract L1StandardBridge_DepositETH_Test is L1StandardBridge_TestInit {
     ///         Only EOA can call depositETH.
     ///         ETH ends up in the optimismPortal.
     function test_depositETH_fromEOA_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         _preBridgeETH({ isLegacy: true, value: 500 });
         uint256 portalBalanceBefore = address(optimismPortal2).balance;
         uint256 ethLockboxBalanceBefore = address(ethLockbox).balance;
@@ -401,6 +404,7 @@ contract L1StandardBridge_DepositETH_Test is L1StandardBridge_TestInit {
 
     /// @notice Tests that depositing ETH succeeds for an EOA using 7702 delegation.
     function test_depositETH_fromEOA7702_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         // Set alice to have 7702 code.
         vm.etch(alice, abi.encodePacked(hex"EF0100", address(0)));
 
@@ -435,6 +439,7 @@ contract L1StandardBridge_DepositETHTo_Test is L1StandardBridge_TestInit {
     ///         EOA or contract can call depositETHTo.
     ///         ETH ends up in the optimismPortal.
     function test_depositETHTo_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         _preBridgeETHTo({ isLegacy: true, value: 600 });
         uint256 portalBalanceBefore = address(optimismPortal2).balance;
         uint256 ethLockboxBalanceBefore = address(ethLockbox).balance;
@@ -452,6 +457,7 @@ contract L1StandardBridge_DepositETHTo_Test is L1StandardBridge_TestInit {
     /// @param _to Random recipient address
     /// @param _amount Random ETH amount to deposit
     function testFuzz_depositETHTo_randomRecipient_succeeds(address _to, uint256 _amount) external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         vm.assume(_to != address(0));
         _amount = bound(_amount, 1, 10 ether);
 
@@ -780,6 +786,7 @@ contract L1StandardBridge_Uncategorized_Test is L1StandardBridge_TestInit {
     ///         Only EOA can call bridgeETH.
     ///         ETH ends up in the optimismPortal.
     function test_bridgeETH_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         _preBridgeETH({ isLegacy: false, value: 500 });
         uint256 portalBalanceBefore = address(optimismPortal2).balance;
         uint256 ethLockboxBalanceBefore = address(ethLockbox).balance;
@@ -799,6 +806,7 @@ contract L1StandardBridge_Uncategorized_Test is L1StandardBridge_TestInit {
     ///         Only EOA can call bridgeETHTo.
     ///         ETH ends up in the optimismPortal.
     function test_bridgeETHTo_succeeds() external {
+        skipIfDevFeatureEnabled(DevFeatures.CUSTOM_GAS_TOKEN);
         _preBridgeETHTo({ isLegacy: false, value: 600 });
         uint256 portalBalanceBefore = address(optimismPortal2).balance;
         uint256 ethLockboxBalanceBefore = address(ethLockbox).balance;
diff --git a/packages/contracts-bedrock/test/invariants/OptimismPortal2.t.sol b/packages/contracts-bedrock/test/invariants/OptimismPortal2.t.sol
index 63d05ad7a4f..f826e026291 100644
--- a/packages/contracts-bedrock/test/invariants/OptimismPortal2.t.sol
+++ b/packages/contracts-bedrock/test/invariants/OptimismPortal2.t.sol
@@ -14,6 +14,7 @@ import { ResourceMetering } from "src/L1/ResourceMetering.sol";
 // Libraries
 import { Constants } from "src/libraries/Constants.sol";
 import { Types } from "src/libraries/Types.sol";
+import { Features } from "src/libraries/Features.sol";
 import "src/dispute/lib/Types.sol";
 
 // Interfaces
@@ -67,6 +68,11 @@ contract OptimismPortal2_Depositor is StdUtils, ResourceMetering {
         uint256 preDepositBalance = address(this).balance;
         uint256 value = bound(preDepositvalue, 0, preDepositBalance);
 
+        // If custom gas token is enabled, set deposit value to 0
+        if (portal.systemConfig().isFeatureEnabled(Features.CUSTOM_GAS_TOKEN)) {
+            value = 0;
+        }
+
         (, uint64 cachedPrevBoughtGas,) = ResourceMetering(address(portal)).params();
         ResourceMetering.ResourceConfig memory rcfg = resourceConfig();
         uint256 maxResourceLimit = uint64(rcfg.maxResourceLimit);
@@ -106,6 +112,12 @@ contract OptimismPortal2_Invariant_Harness is DisputeGameFactory_TestInit {
             gasLimit: 100_000,
             data: hex""
         });
+
+        // If custom gas token is enabled, set deposit value to 0
+        if (systemConfig.isFeatureEnabled(Features.CUSTOM_GAS_TOKEN)) {
+            _defaultTx.value = 0;
+        }
+
         // Get withdrawal proof data we can use for testing.
         (_stateRoot, _storageRoot, _outputRoot, _withdrawalHash, _withdrawalProof) =
             ffi.getProveWithdrawalTransactionInputs(_defaultTx);