diff --git a/l1-contracts/deploy-scripts/DeployL2Contracts.sol b/l1-contracts/deploy-scripts/DeployL2Contracts.sol
index ad8230f59..1923672b4 100644
--- a/l1-contracts/deploy-scripts/DeployL2Contracts.sol
+++ b/l1-contracts/deploy-scripts/DeployL2Contracts.sol
@@ -50,45 +50,6 @@ contract DeployL2Script is Script {
     function run() public {
         initializeConfig();
 
-        // string memory root = vm.projectRoot();
-        // string memory path = string.concat(root, "/script-out/gateway-deploy-governance-txs-1.json");
-
-        // bool fileExists = vm.isFile(path);
-        // if (fileExists) {
-        //     string memory json = vm.readFile(path);
-        //     for (uint i = 0; i < 10000; ++i) {
-        //         string memory tmp = string.concat(".transactions[", vm.toString(i));
-        //         tmp = string.concat(tmp, "]");
-        //         bool exists = vm.keyExistsJson(json, tmp);
-        //         if (!exists) {
-        //             break;
-        //         } else {
-        //             address from = vm.parseJsonAddress(json, string.concat(tmp, ".transaction.from"));
-        //             bool existsTo = vm.keyExistsJson(json, string.concat(tmp, ".transaction.to"));
-        //             uint256 value = vm.parseJsonUint(json, string.concat(tmp, ".transaction.value"));
-        //             if (existsTo) {
-        //                 bytes memory input = vm.parseJsonBytes(json, string.concat(tmp, ".transaction.input"));
-        //                 address to = vm.parseJsonAddress(json, string.concat(tmp, ".transaction.to"));
-        //                 vm.startBroadcast(from);
-        //                 to.call{value: value}(input);
-        //                 vm.stopBroadcast();
-        //             } else {
-        //                 bytes memory input = vm.parseJsonBytes(json, string.concat(tmp, ".transaction.input"));
-        //                 vm.startBroadcast(from);
-        //                 address deployedAddress;
-        //                 assembly {
-        //                     deployedAddress := create(value, add(input, 0x20), mload(input))
-
-        //                     if iszero(extcodesize(deployedAddress)) {
-        //                         revert(0, 0)
-        //                     }
-        //                 }
-        //                 vm.stopBroadcast();
-        //             }
-        //         }
-        //     }
-        // }
-
         deploy(false);
     }
 
diff --git a/l1-contracts/deploy-scripts/GatewayPreparation.s.sol b/l1-contracts/deploy-scripts/GatewayPreparation.s.sol
index ec547a42a..1f2c518d8 100644
--- a/l1-contracts/deploy-scripts/GatewayPreparation.s.sol
+++ b/l1-contracts/deploy-scripts/GatewayPreparation.s.sol
@@ -185,7 +185,6 @@ contract GatewayPreparation is Script {
     /// @dev Requires the sender to be the owner of the contract
     function governanceRegisterGateway() public {
         initializeConfig();
-        preRun(false);
 
         IBridgehub bridgehub = IBridgehub(config.bridgehub);
 
@@ -210,7 +209,6 @@ contract GatewayPreparation is Script {
     /// @dev Requires the sender to be the owner of the contract
     function governanceWhitelistGatewayCTM(address gatewayCTMAddress, bytes32 governanoceOperationSalt) public {
         initializeConfig();
-        preRun(false);
 
         bytes memory data = abi.encodeCall(IBridgehub.addChainTypeManager, (gatewayCTMAddress));
 
@@ -232,7 +230,6 @@ contract GatewayPreparation is Script {
 
     function governanceSetCTMAssetHandler(bytes32 governanoceOperationSalt) public {
         initializeConfig();
-        preRun(false);
 
         L1AssetRouter sharedBridge = L1AssetRouter(config.sharedBridgeProxy);
         bytes memory data = abi.encodeCall(
@@ -289,7 +286,6 @@ contract GatewayPreparation is Script {
 
     function registerAssetIdInBridgehub(address gatewayCTMAddress, bytes32 governanoceOperationSalt) public {
         initializeConfig();
-        preRun(false);
 
         bytes memory secondBridgeData = abi.encodePacked(
             bytes1(0x01),
@@ -630,54 +626,9 @@ contract GatewayPreparation is Script {
     }
 
     function executeGovernanceTxs() public {
-        preRun(true);
         saveOutput();
     }
 
-    function preRun(bool skip_stage12) internal {
-        // string memory root = vm.projectRoot();
-        // string memory path = string.concat(root, "/script-out/gateway-deploy-governance-txs-1.json");
-        // bool fileExists = vm.isFile(path);
-        // if (fileExists) {
-        //     uint256 idxFrom = 0;
-        //     if (skip_stage12) {
-        //         vm.pauseGasMetering();
-        //         idxFrom = 4;
-        //     }
-        //     string memory json = vm.readFile(path);
-        //     for (uint i = idxFrom; i < 10000; ++i) {
-        //         string memory tmp = string.concat(".transactions[", vm.toString(i));
-        //         tmp = string.concat(tmp, "]");
-        //         bool exists = vm.keyExistsJson(json, tmp);
-        //         if (!exists) {
-        //             break;
-        //         } else {
-        //             address from = vm.parseJsonAddress(json, string.concat(tmp, ".transaction.from"));
-        //             bool existsTo = vm.keyExistsJson(json, string.concat(tmp, ".transaction.to"));
-        //             uint256 value = vm.parseJsonUint(json, string.concat(tmp, ".transaction.value"));
-        //             if (existsTo) {
-        //                 bytes memory input = vm.parseJsonBytes(json, string.concat(tmp, ".transaction.input"));
-        //                 address to = vm.parseJsonAddress(json, string.concat(tmp, ".transaction.to"));
-        //                 vm.startBroadcast(from);
-        //                 to.call{value: value}(input);
-        //                 vm.stopBroadcast();
-        //             } else {
-        //                 bytes memory input = vm.parseJsonBytes(json, string.concat(tmp, ".transaction.input"));
-        //                 vm.startBroadcast(from);
-        //                 address deployedAddress;
-        //                 assembly {
-        //                     deployedAddress := create(value, add(input, 0x20), mload(input))
-        //                     if iszero(extcodesize(deployedAddress)) {
-        //                         revert(0, 0)
-        //                     }
-        //                 }
-        //                 vm.stopBroadcast();
-        //             }
-        //         }
-        //     }
-        // }
-    }
-
     function governanceExecuteCalls(bytes memory callsToExecute, address governanceAddr) internal {
         IGovernance governance = IGovernance(governanceAddr);
         Ownable2Step ownable = Ownable2Step(governanceAddr);
diff --git a/l1-contracts/deploy-scripts/RegisterZKChain.s.sol b/l1-contracts/deploy-scripts/RegisterZKChain.s.sol
index 3285b2af5..5dbf2b2b1 100644
--- a/l1-contracts/deploy-scripts/RegisterZKChain.s.sol
+++ b/l1-contracts/deploy-scripts/RegisterZKChain.s.sol
@@ -109,17 +109,6 @@ contract RegisterZKChainScript is Script {
     function runInner(string memory outputPath) internal {
         string memory root = vm.projectRoot();
 
-        // kludge
-        // string memory path = string.concat(root, "/script-out/gateway-upgrade-ecosystem.toml");
-        // bool fileExists = vm.isFile(path);
-        // if (config.chainChainId == 505 && fileExists) {
-        //     string memory toml = vm.readFile(path);
-        //     bytes memory calls1 = toml.readBytes("$.governance_stage1_calls");
-        //     bytes memory calls2 = toml.readBytes("$.governance_stage2_calls");
-        //     governanceExecuteCalls(calls1, config.governance);
-        //     governanceExecuteCalls(calls2, config.governance);
-        // }
-
         outputPath = string.concat(root, outputPath);
 
         if (config.initializeLegacyBridge) {
diff --git a/l1-contracts/deploy-scripts/upgrade/BytecodePublisher.s.sol b/l1-contracts/deploy-scripts/upgrade/BytecodePublisher.s.sol
index aca79e2e1..3981da95a 100644
--- a/l1-contracts/deploy-scripts/upgrade/BytecodePublisher.s.sol
+++ b/l1-contracts/deploy-scripts/upgrade/BytecodePublisher.s.sol
@@ -14,10 +14,10 @@ library BytecodePublisher {
     address internal constant VM_ADDRESS = address(uint160(uint256(keccak256("hevm cheat code"))));
     Vm internal constant vm = Vm(VM_ADDRESS);
 
-    // 100 kb
+    /// @notice Maximal size of bytecodes' batch to be published at once
     uint256 constant MAX_BATCH_SIZE = 126_000;
 
-    /// @notice Publishes bytecodes in batches, each not exceeding 100KB
+    /// @notice Publishes bytecodes in batches, each not exceeding `MAX_BATCH_SIZE`
     /// @param bytecodes The array of bytecodes to publish
     function publishBytecodesInBatches(BytecodesSupplier bytecodesSupplier, bytes[] memory bytecodes) internal {
         uint256 totalBytecodes = bytecodes.length;