diff --git "a/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.test.ts" "b/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.test.ts"
deleted file mode 100644
index 2961443..0000000
--- "a/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.test.ts"
+++ /dev/null
@@ -1,16 +0,0 @@
-import { describe, it, expect } from "vitest";
-import { solution } from "./solution";
-
-describe("1.7 부호 분류", () => {
-  it("양수/음수/0을 센다", () => {
-    expect(solution([1, -2, 0, 3, 0, -5])).toEqual({
-      positive: 2,
-      negative: 2,
-      zero: 2,
-    });
-  });
-
-  it("빈 배열은 모두 0", () => {
-    expect(solution([])).toEqual({ positive: 0, negative: 0, zero: 0 });
-  });
-});
diff --git "a/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.ts" "b/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.ts"
deleted file mode 100644
index b5d083c..0000000
--- "a/level-01/1.7-\353\266\200\355\230\270\353\266\204\353\245\230/solution.ts"
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * 1.7 부호 분류  [프로그래머스 Lv0 / 백준 Bronze IV]
- *
- * 정수 배열을 받아 양수·음수·0의 개수를 객체로 반환하세요.
- *
- * @example
- * solution([1, -2, 0, 3, 0, -5])
- * // => { positive: 2, negative: 2, zero: 2 }
- */
-export interface SignCount {
-  positive: number;
-  negative: number;
-  zero: number;
-}
-
-export function solution(numbers: number[]): SignCount {
-  // TODO: 구현하세요
-  throw new Error("아직 구현되지 않았습니다");
-}