diff --git a/script/20231106-config-prelaunch/20231106_SubmitReservedNames.s.sol b/script/20231106-config-prelaunch/20231106_SubmitReservedNames.s.sol
index f62557b0..d2cb63e3 100644
--- a/script/20231106-config-prelaunch/20231106_SubmitReservedNames.s.sol
+++ b/script/20231106-config-prelaunch/20231106_SubmitReservedNames.s.sol
@@ -28,20 +28,20 @@ contract Migration__20231106_SubmitReservedNames is Migration {
     address[] memory tos;
     string[] memory labels;
     (tos, labels) = _parseData("./script/20231106-param-prelaunch/data/finalReservedNames.json");
-    mintBatch(multicall, duration, rns, resolver, tos, labels);
+    // mintBatch(multicall, duration, rns, resolver, tos, labels);
   }
 
-  function mintBatch(
-    OwnedMulticaller multicall,
-    uint64 duration,
-    RNSUnified rns,
-    address resolver,
-    address[] memory tos,
-    string[] memory labels
-  ) public {
-    vm.broadcast(config.getSender());
-    multicall.multiMint(rns, LibRNSDomain.RON_ID, resolver, duration, tos, labels);
-  }
+  // function mintBatch(
+  //   OwnedMulticaller multicall,
+  //   uint64 duration,
+  //   RNSUnified rns,
+  //   address resolver,
+  //   address[] memory tos,
+  //   string[] memory labels
+  // ) public {
+  //   vm.broadcast(config.getSender());
+  //   multicall.multiMint(rns, LibRNSDomain.RON_ID, resolver, duration, tos, labels);
+  // }
 
   function _parseData(string memory path) internal view returns (address[] memory tos, string[] memory labels) {
     string memory raw = vm.readFile(path);
diff --git a/src/utils/OwnedMulticaller.sol b/src/utils/OwnedMulticaller.sol
index ef0d3dac..87ff684d 100644
--- a/src/utils/OwnedMulticaller.sol
+++ b/src/utils/OwnedMulticaller.sol
@@ -9,38 +9,22 @@ contract OwnedMulticaller is Ownable {
   using ErrorHandler for bool;
 
   constructor(address owner_) {
-    require(owner_ != address(0), "owner_ == address(0x0)");
+    require(owner_ != address(0), "OwnedMulticaller: owner_ is null");
     _transferOwnership(owner_);
   }
 
-  function kill() external onlyOwner {
-    selfdestruct(payable(_msgSender()));
-  }
-
-  function multiMint(
-    INSUnified rns,
-    uint256 parentId,
-    address resolver,
-    uint64 duration,
-    address[] calldata tos,
-    string[] calldata labels
-  ) external onlyOwner {
-    for (uint256 i; i < labels.length; ++i) {
-      rns.mint(parentId, labels[i], resolver, tos[i], duration);
-    }
-  }
-
   function multicall(address[] calldata tos, bytes[] calldata callDatas, uint256[] calldata values)
     external
     payable
     onlyOwner
     returns (bool[] memory results, bytes[] memory returnDatas)
   {
-    require(tos.length == callDatas.length && tos.length == values.length, "invalid length");
-    results = new bool[](tos.length);
-    returnDatas = new bytes[](tos.length);
+    uint256 length = tos.length;
+    require(length == callDatas.length && length == values.length, "OwnedMulticaller: mismatch length");
+    results = new bool[](length);
+    returnDatas = new bytes[](length);
 
-    for (uint256 i; i < tos.length; ++i) {
+    for (uint256 i; i < length; ++i) {
       (results[i], returnDatas[i]) = tos[i].call{ value: values[i] }(callDatas[i]);
       results[i].handleRevert(returnDatas[i]);
     }