diff --git a/M01_MasterData/LogicBuilder/M01_LB_Entry.ts b/M01_MasterData/LogicBuilder/M01_LB_Entry.ts
index 0ceb0e6cd..e68ed3189 100644
--- a/M01_MasterData/LogicBuilder/M01_LB_Entry.ts
+++ b/M01_MasterData/LogicBuilder/M01_LB_Entry.ts
@@ -20,7 +20,6 @@ import type { CalcAnswer, LogicInput, LogicRow } from "../M01_MasterData_UI_Logi
 import { formatMoney } from "../M01_MasterData_UI_Logic_Money";
 import { formatNumber } from "../M01_MasterData_UI_Logic_Edit";
 import {
-  calcLater,
   copyEasy,
   listEasy,
   openEasy,
@@ -117,7 +116,7 @@ interface Paper {
   tables: LbTables;
 }
 
-/* ponytail: Blocks(sub7) · LB Api(sub4) 속이 「준비 중」 인 동안만 대신함 — 채워지면 두 catch 를 지움 */
+/** 블록 읽기 — 못 읽는 꼴이면 null(세 칸은 원래 줄로 보임) */
 const blocksOf = (row: LogicRow, key: string, version: string, isBase: boolean): LbLogic | null => {
   try {
     return readLogic(row, { key, version, isBase });
@@ -125,16 +124,6 @@ const blocksOf = (row: LogicRow, key: string, version: string, isBase: boolean):
     return null;
   }
 };
-const calcWith = (
-  p: Paper,
-  onDone: (ans: CalcAnswer | null, plain: string | null) => void,
-): void => {
-  try {
-    lbCalcLater(p.row, p.trial, p.tables, onDone);
-  } catch {
-    calcLater(p.row, p.trial, onDone);
-  }
-};
 
 /** 「쉬운 단가산출(시험)」 옆에 놓는 단추 — 누르면 큰 창 */
 export function createLogicBuilderButton(): HTMLButtonElement {
@@ -306,7 +295,7 @@ function openLogicBuilder(): void {
 
     const calc = (): void => {
       drawResult(true);
-      calcWith(p, (next, plain) => {
+      lbCalcLater(p.row, p.trial, p.tables, (next, plain) => {
         ans = next;
         note.textContent = plain ?? "";
         drawResult(false);